Xray T1 User manual


1
XRAY T1 Factory Kit 2005
R/C & BUILDING TIPS
ADDITIONAL ITEMS REQUIRED:
The new XRAY T1 Factory Kit '05 (T1FK'05) is the 5th generation of
XRAY's extremely successful T1 family of 1/10-scale on-road electric
touring cars. The T1FK'05 is a large evolutionary leap forward,
blending a brand new chassis platform and completely redesigned
drive train with race-proven geometry. The extraordinary materials
and racecar lineage combine to offer a responsive ride, luxurious
elegant design, finest quality, and best track performance. With the
highest number of adjustments to achieve the most performance
out of any track condition, the T1FK'05 is a top-competition racecar
of the next level of performance.
The T1FK'05 is the best-balanced touring car with the world's
narrowest chassis. The new optimized layout concentrates more
weight closer to the centerline of the chassis, giving improved
traction, cornering speed, and steering on all surfaces. The
redesigned drive train achieves even higher efficiency. The
super-efficient C-hub suspension is retained from the predecessor
T1 Factory Kit, using short-arm suspension components for superb
handling.
Many new and updated features are present on the T1FK'05 to
optimize performance, while reducing unnecessary weight and
rotating mass without compromising strength and long life. All
of these components combine to make the highest-performance,
best-handling electric touring car in the world.
We have made every effort to make these instructions as easy to
understand as possible. However, if you experience any difficulties
or problems with this product, or have any questions, please
contact the XRAY support team at support@teamxray.com and we
will be very happy to assist you. Please visit our official Web site at
www.teamxray.com, where you will find all the latest updates, setup
information, option parts, and many other goodies.
We at XRAY take great pride on providing the best possible service
and car to all of our customers.
• Read and fully understand the instruction manual before
building.
• Always keep this instruction manual ready at hand for quick
reference, even after completing the assembly.
• Clear a work area for assembling the kit.
• Work on a light-colored towel so any dropped parts are easy
to find.
• Only open bags of parts for the assembly section you are
building; do not open parts bags before required.
• Make sure all screws are tight, and check them periodically.
Make sure the chassis screws do not protrude below the
chassis.
• For best performance, it is very important to ensure the free
movement of all parts.
• Tap or pre-thread composite parts when threading screws.
• Self-tapping screws cut threads into the parts when tightened.
Do not use excessive force when tightening self-tapping screws,
or you may strip out the thread in the plastic. We recommend
you stop tightening a screw when you feel some resistance.
• Use medium-grade (blue) threadlock on screws that thread into
metal parts.
Please support your local hobby shop, and ask them for
advice. We at XRAY Model Racing Cars support all local hobby
dealers. We ask you to purchase XRAY products at your hobby
dealer whenever possible, and give them your support as we
do. If you have difficulty finding XRAY products, please visit us
at www.teamxray.com for advice, or contact us via e-mail at
support@teamxray.com, or contact the XRAY distributor in your
country.
Radio system (transmitter and receiver), steering servo, speed controller, motor, pinion gear,
battery pack (6-cell), battery charger, 1/10-scale bodyshell (190 mm), tires, inserts, high-
strength fibre tape, double-sided tape, CA glue, bearing oil, medium-grade (blue) threadlock.
Receiver Steering Servo Speed Controller
6-cell Battery Pack
(Inline)
Pinion Gear
and Setscrew
Tire Inserts Tires
190mm Bodyshell
Electric Motor
TOOLS REQUIRED:
Cutting Pliers, Needlenose Pliers, Snap Ring Pliers, Allen Wrenches (1.5 mm, 2.0 mm, 2.5 mm, and 3.0 mm), Hobby Knife, Caster Clip Removal Tool,
Turnbuckle Wrench, Shock Assembly Tool, Vernier Calipers (digital recommended), Soldering Iron and Solder.
For ease of assembly, we strongly recommend using high-quality HUDY tools. Visit www.hudy.net for more information on the entire range of HUDY products.
In line with our policy of continuous product development, the exact specifications of the kit may vary. In the unlikely
event of any problems with your new kit, you should contact the model shop were you purchased it, quoting the part
number. We reserve all rights to change any specification without prior notice. All rights reserved.
Fibre Tape

2
KIT
302002
302002
904306
301164
904306
302002
302002
301112
301200
960030
904308 904306
FRONT
CONTENTS
0. KIT
2
1. BALL DIFFERENTIAL & FRONT MULTI-DIFF
3-4
2. REAR TRANSMISSION
5-6
3. REAR SUSPENSION
7-8
4. FRONT TRANSMISSION
9-10
5. FRONT SUSPENSION
11-12
6. STEERING
13-14
7. SHOCK ABSORBERS
15-16
8. REAR ASSEMBLY
17
FRONT ASSEMBLY
18
9. FINAL ASSEMBLY
19
ACCESSORY ASSEMBLY
20-21
0. KIT (FACTORY PRE-ASSEMBLED)
KIT
BEFORE YOU START
At the beginning of each section is an exploded view of the parts to be
assembled. There is also a list of all the parts and part numbers that are
related to the assembly of that section.
The part descriptions are color-coded to make it easier for you to identify the
source of a part. Here are what the different colors mean:
STYLE A - indicates parts that are included in the bag marked
for the section.
STYLE B - indicates parts that were set aside in Section 0.
STYLE C - indicates parts that are already assembled from
previous steps.
30 1112 6-CELL CHASSIS T1FK'05 - CNC MACHINED
30 1164 UPPER DECK T1FK'05 - CNC MACHINED
30 1200 COMPOSITE BUMPER
30 2002 ALU SUSP. ADJUSTABLE BULKHEADS T1FK'05 (4)
90 4306 HEX SCREW SFH M3x6 - SILVER (10)
90 4308 HEX SCREW SFH M3x8 - SILVER (10)
96 0030 NUT M3 (10)
The XRAY T1FK'05 comes partially pre-assembled. Before starting assembly, disassemble the chassis parts, noting the position and orientation of the parts, particularly
the bulkheads. Keep the parts, including the screw hardware, close at hand. In the assembly steps that follow, each section begins with a parts list. Parts indicated
with style B are from the previously disassembled chassis parts in section 0.

3
8.0 mm
3.2 mm
7.8 mm
3.0 mm
305050
305002 930508 305082 930120 305050 305082 966080 963030 930138
305040
305002
305050
FACTORY PREASSEMBLED
FACTORYPREASSEMBLED
GREASE
966080
C 8
963030
ST 3x8
930138
BA 3x8
930508
BB 5x8
930120
B 2.4
BALL DIFFERENTIAL
305150
305150
305102309319
305131
970100
981212
902305
309319
305131
305150
FRONT MULTI-DIFF
NOT INCLUDED IN US KITS
30 5002 BALL DIFF. WITH LABYRINTH COVERS™ - (FACTORY KIT)
30 5040 SCREW FOR EXTERNAL DIFF ADJUSTMENT - SPRING STEEL
30 5050 DIFF PULLEY 34T WITH LABYRINTH DUST COVERS
30 5082 DIFF WASHER 17x23x1 (2)
30 5102 XRAY MULTI-DIFF™ T1FK'05
30 5131 INNER DRIVESHAFT ADAPTER - T1FK'05 - SPRING STEEL (2)
30 5150 TIMING BELT PULLEY 34T
30 9319 UNIVERSAL SET OF PLASTIC SHIMS
90 2305 HEX SCREW SH M3x5 (10)
93 0120 CARBIDE BALL 2.4 MM FOR BALL DIFFERENTIAL (12)
93 0138 CARBIDE BALL-BEARING AXIAL F3-8 3 x 8 x 3.5
93 0508 BALL-BEARING MR85ZZ 5x8x2.5 (2)
96 3030 CONE WASHER ST 3x8x0.5 (10)
96 6080 CH-CLIP 8 (10)
97 0100 O-RING 10x1.5 (10)
98 1212 PIN 2x11.8 (10)
1. BALL DIFFERENTIAL & FRONT MULTI-DIFF
™
The ball differential is pre-assembled at the factory.
Follow these steps if you need to clean or rebuild the short diff shaft assembly.
1. If you need to replace the diff locknut, push it out from the opposite side with the tip of a
wrench. Insert a new one into the short diff shaft.
2. Place a #930508 (BB 5x8) ball-bearing on the short center stub of the short diff shaft.
3. Put a very thin coat of grease on the side of a #305082 diff washer,
and place it on the short diff shaft. The washer should seat centered
on the short diff shaft, and the layer of grease will hold it in place.
4. Press the #305050 diff pulley onto the ball-bearing.
The ball differential is preassembled at the factory.
Follow these steps if you need to clean or rebuild the diff pulley or diff balls.
1. Apply a little bit of grease into each of the 12 holes in the diff pulley.
2. Place the twelve #930120 carbide diff balls into the diff pulley holes.
The ball differential is pre-assembled at the factory.
Follow these steps if you need to clean or rebuild the long diff shaft assembly.
LONG DIFF SHAFT
SHORT DIFF SHAFT
1. Insert the smaller of the two thrust washers into the long diff shaft.
2. Apply grease to the balls in the thrust ball cage; coat each side.
Insert the thrust ball cage into the long diff shaft.
3. Place the larger thrust washer into the long diff shaft.
4. Insert four cone washers as shown in the detail image.
5. Insert a #966080 (C 8) clip into the groove inside the
long diff shaft. Use snap-ring pliers for easy assembly.
Properly functioning differentials and axles are extremely important to the performance of the car. It is imperative they operate smoothly after
assembly or rebuilding, and after every run. The T1FK'05 uses an adjustable ball differential and a Front Multi-Diff™ (non-US kits only). The ball
differential is pre-assembled at the factory; follow the procedures in this section if you need to clean or rebuild the ball differential.
BAG

4
930508
BB 5x8
BALL DIFFERENTIAL & FRONT MULTI-DIFF
™
DIRECTION OF TURN
LONGSHORT
902305
SH M3x5
309319
SHIM 6x9x2
To check the differential:
Slide two wrenches into the slots on both sides of the diff shafts. Hold both
wrenches in one hand and try to turn the pulley; it should take some force to
get the pulley to slip between the two outdrives. Then remove both wrenches
and rotate one of the diff shafts while holding the pulley stationery. The action
should feel smooth.
To tighten the differential:
Insert a small Allen wrench into the aligned holes in the setscrew and long
diff shaft. Turn the long diff shaft 1/16 to 1/8 of a turn clockwise to tighten.
Remove the Allen wrench and recheck the diff. DO NOT TIGHTEN THE DIFF COMPLETELY
THE DIFF MUST BE BROKEN IN PROPERLY !
The ball differential is pre-assembled at the factory.
Follow these steps if you need to clean or rebuild the ball differential.
1. Hold the short diff shaft with the installed pulley facing up. Place a #930508 (BB 5x8)
ball-bearing on the center stub, atop the other bearing.
2. Put a very thin coat of grease on the side of a #305082 diff washer, and place it on
the long diff shaft. The washer should seat centered on the long diff shaft, and the layer
of grease will hold it in place.
3. Insert the #305040 diff screw into the top of the long diff shaft as shown, and align
the holes in the screw with the holes in the diff shaft. Slide a small Allen wrench through
the aligned holes in both pieces. The end of the diff screw should protrude from the
center of the diff shaft.
4. Hold the lower diff half upward as shown, and lower the long diff shaft with the screw
pointing down onto the short diff shaft. Carefully thread the diff screw into the center of
the short diff shaft. Keep tightening until the diff washer just touches the diff balls, and
then tighten another 1/4 turn or until you feel some resistance. Remove the Allen wrench.
ALWAYS HOLD THE DIFFERENTIAL VERTICAL DURING ASSEMBLY, SO THE
PARTS STAY IN ALIGNMENT AND THE DIFF BALLS DO NOT FALL OUT.
IMPORTANT: When you build the differential, do not tighten it fully initially; the differential needs to be broken in properly. When you build the diff
tighten it very gently. When you put the diff in the car and complete the assembly, run the car for a few minutes, tighten the diff a little bit, and then
recheck the diff. Repeat this process several times until you have the diff tightened to the point you want it.
Final adjustments should ALWAYS be made with the diff in the car and on the track.
Cutaway view
LONG DIFF SHAFT
SHORT DIFF SHAFT
Attach the #305150 pulley to the #305102
front axle using three #902305 (SH M3x5)
screws.
Attach pulley to SHORT side of front axle,
opposite to side with hole through axle (for
locking pin).
Slide two pulley covers onto the ends of the
front axle. Squeeze the covers firmly until
they both "snap" over the pulley; it may take
a bit of effort to do this.
Verify that the outdrives rotate in the
direction shown.
See page 22 for front Multi-Diff™ settings.
To loosen the differential:
Same as tightening the differential, except turn the long diff shaft counter-clockwise to loosen.
Slide #309319 spacer onto #305131
outdrive shaft.
Apply one-way lube to outdrive shaft, then
slide into one-way bearing in end of front
axle.
Repeat for other side.
Slide two Labyrinth Dust Covers onto the ends of the diff shafts; the smooth
sides of the covers face outward, away from the pulley. Squeeze the covers
firmly until they both "snap" onto pulley; it may take a bit of effort to do this.
Once snapped on, the covers seat perfectly.
FRONT MULTI-DIFF
™ (not included in US kits)
981212
P 2x12
970100
O 10x1.5
DETAIL
NOTE ORIENTATION
Hole on the pulley and on
the axle must be aligned.

5
305002 305442
302040
302032
305575
965050 981210
305431
302070 902310
302070 302074
902312
901408
309319
303159
302080
302040
302002
309319
904306
307312
305784
305787 (OPTION)
305790 (OPTION)
305516
941015
902305
940509
301112
302032
901308
940610
904306
941015
BB 10x15
940610
BB 6x10
940509
BB 5x9
A
B
INITIAL POSITION:
PLACE TAB
IN THIS NOTCH
Open Holder
(hole)
FRONT
Closed Holder
(no hole)
DETAIL
DETAIL
30 2032 ALU NUT FOR SUSP. PIVOT PIN (2)
30 2040 LOWER SUSPENSION HOLDER ( SET 2+1+1)
30 2070 ECCENTRIC NYLON HUB FOR BULKHEAD + COVERS (4+2)
30 2074 ECCENTRIC REAR NYLON HUBS 0° & 2°
30 2080 CASTER CLIPS SET 4+3+2+1 MM (2)
30 3159 SHORT SUSPENSION ARM - REAR LOWER - C-HUB
30 5431 HIGH-PERFORMANCE KEVLAR DRIVE BELT FRONT 3 x 507 MM
30 5442 HIGH-PERFORMANCE KEVLAR DRIVE BELT REAR 3 x 180 MM
30 5516 ALU SOLID LAYSHAFT T1FK'05
30 5575 FIXED PULLEY 20T (2)
30 5784 SPUR GEAR 84T / 48
30 5787 SPUR GEAR 87T / 48 (OPTION)
30 5790 SPUR GEAR 90T / 48 (OPTION)
30 7312 REAR WISHBONE PIVOT PIN BOTTOM T1FK'05 - C-HUB (2)
30 9319 UNIVERSAL SET OF PLASTIC SHIMS
94 0509 HIGH-SPEED BALL-BEARING MR95ZZ 5 x 9 x 3 RUBBER COVERED (2)
94 0610 HIGH-SPEED BALL-BEARING MR106ZZ 6 x 10 x 3 RUBBER COVERED (2)
94 1015 HIGH-SPEED BALL-BEARING 10 x 15 x 4 RUBBER COVERED (2)
90 2305 HEX SCREW SH M3x5 (10)
90 2310 HEX SCREW SH M3x10 (10)
90 2312 HEX SCREW SH M3x12 (10)
90 4306 HEX SCREW SFH M3x6 - SILVER (10)
90 1308 HEX SCREW SB M3x8 (10)
90 1408 HEX SCREW SB M4x8 (10)
96 5050 E-CLIP 5 (10)
98 1210 PIN 2x10 (10)
30 1112 6-CELL CHASSIS T1FK'05 - CNC MACHINED
30 2002 ALU SUSP. ADJUSTABLE BULKHEADS T1FK'05 (4)
90 4306 HEX SCREW SFH M3x6 - SILVER (10)
30 5002 BALL DIFF. WITH LABYRINTH COVERS™ - (FACTORY KIT)
2. REAR TRANSMISSION
To tighten rear belt:
Rotate rear nylon hubs in arrow direction (A)
To loosen rear belt:
Rotate rear nylon hubs in arrow direction (B)
To remove holder, press
out with tool as shown.
1. Press the plastic holders for the small ball-bearings into the rear
bulkheads. The flanges on the holders go to the INSIDE of the
bulkheads. The open holder (with hole) goes in the LEFT bulkhead. The
closed holder (no hole) goes in the RIGHT bulkhead.
2. Press a #940610 (BB 6x10) ball-bearing into the OPEN plastic
holder (with hole) in the LEFT bulkhead. Press a #940509 (BB 5x9)
ball bearing into the CLOSED plastic holder (no hole) in the RIGHT
bulkhead.
3. Press oval-shaped differential height adjusters into rear bulkheads,
with large holes near the bottom. The flanges on the adjusters go to the
INSIDE of the bulkheads.
4. Press large eccentric ball-bearing holders into the oval-shaped diff
height adjusters. Align the tab of each holder with the middle notch in
each adjuster as shown.
5. Press #941015 (BB 10x15) ball-bearings into the eccentric holders.
Make sure all bearings turn freely and easily.
BELT TENSION ADJUSTMENT
BAG
02

6
LONG
SHORT
981210
P 2x10
904306
SFH M3x6
965050
C5
309319
SHIM 3x7x2
902310
SH M3x10
902312
SH M3x12
Cutaway view
REAR TRANSMISSION
1. Attach #305784 spur gear to #305516 layshaft with three #902305
(SH M3x5) screws.
2. Press a #981210 (P 2x10) pin into the layshaft hole closest to the
spur gear.
3. Slide a 20T pulley onto the layshaft, and seat it over the pin.
4. Press the other #981210 (P 2x10) pin into the other layshaft hole.
5. Slide the other 20T pulley onto the layshaft, and seat it over the
second pin.
6. Snap a #965050 (C5) E-clip into the groove in the layshaft.
901408
SB M4x8
TOP
2.5 mm
3.0 mm
BOTTOM
901308
SB M3x8
1. Thread a #901408 (SB M4x8) downstop adjustment screw
into the hole at the front of the rear lower arm as shown. The
screw must protrude 2.5 mm below the arm.
2. Thread a #901308 (SB M3x8) setscrew into the hole at
the rear of the rear lower arm as shown. The setscrew must
protrude 3.0 mm.
Repeat for the other arm, making sure to mirror
the screw placement.
3mm
1mm
2mm
clip/shim
DETAIL
DETAIL
902305
SH M3x5
Rear Toe-In Clip Settings
0mm clip = 0° rear toe-in
1mm clip = 1° rear toe-in
2mm clip = 2° rear toe-in
3mm clip = 3° rear toe-in
Use front MIDDLE hole Use rear MIDDLE hole
Repeat to attach the other arm
to the other rear bulkhead.
1. Mount a lower suspension holder to the outside front of the rear bulkhead, using a #902310 (SH M3x10) screw and
#302032 alu nut. Use the MIDDLE hole as shown. Do not tighten the screw; leave the holder loose.
2. Slide a #307312 pivot pin through the holes in the rear lower arm.
3. Slide a 3mm shim onto the pin in front of the rear
lower arm.
4. Slide a 1mm shim onto the pin behind the rear lower arm.
5. Insert the front end of the pin in the front lower holder.
6. Mount a lower suspension holder on the rear end of the pin.
Attach the holder to the outside rear of the bulkhead using a
#902312 (SH M3x12) screw and #302032 alu nut. Use the MIDDLE hole
as shown. Do not tighten the screw; leave the holder loose.
7. Insert a 2mm clip on the screw between the rearmost
holder and the bulkhead. Tighten the screws.
When using wide (28mm) rear foam tires, cut material from both arms as
shown to mount shock lower joints to outer holes in arms. Counterbore the
holes for hex screws SB M3x8.
TIP
DETAIL
Cut away
FRONT
1. Mount the right rear bulkhead to the lower chassis using three
#904306 (SFH M3x6) screws.
2. Insert the left end of the #305516 layshaft into the small bearing
in the left rear bulkhead. Place the long front drive belt on the 20T
layshaft pulley closest to the spur gear.
3. Place the short rear belt onto the rear differential.
4. Insert the SHORT differential shaft into the ball-bearing in
the RIGHT bulkhead. Place the other end of the rear belt on the
layshaft’s other fixed pulley.
5. Slide the left rear bulkhead into position over the LONG left
differential shaft, and mount to the lower chassis using three
#904306 (SFH M3x6) screws.

7
967100
307320
981210
305311
305230
302615
303220
902308
902310
902306
307454
305321
305240
941015
941015
303350
901305
302662
303031
303093
3. REAR SUSPENSION
981210
P 2x10
941015
BB 10x15
309425
C 10
GREASE
Note the orientation of the parts!
REMOVAL
967100
C 10
30 2615 ADJ. TURNBUCKLE L/R 30 MM - SPRING STEEL (2)
30 2662 BALL JOINT 5 MM - OPEN (6)
30 3031 ROLL CENTER ALU HOLDER - SET (2)
30 3093 SHOCK TOWER REAR - FACTORY KIT
30 3220 BALL JOINT 5.8 MM (4)
30 3350 COMPOSITE UPRIGHT REAR FOR C-HUB SUSPENSION
30 5230 DRIVE SHAFT COUPLING - SPRING STEEL (2)
30 5240 DRIVE SHAFT REPLACEMENT PLASTIC CAP 3 MM (4)
30 5311 WHEEL AXLE - 22 MM - INTEGR. HEX HUB - (FACTORY KIT) (2)
30 5321 DRIVE SHAFT - 51 MM - SPRING STEEL - (FACTORY KIT) (2)
30 7320 REAR PIVOT PIN FOR C-HUB - SPRING STEEL (2)
30 7454 PIVOT BALL 5.0 MM DOUBLE BEVEL SHOULDERS (10)
90 1305 HEX SCREW SB M3x5 (10)
90 2306 HEX SCREW SH M3x6 (10)
90 2308 HEX SCREW SH M3x8 (10)
90 2310 HEX SCREW SH M3x10 (10)
94 1015 HIGH-SPEED BALL-BEARING 10 x 15 x 4 RUBBER SEALED (2)
96 7100 O-CLIP 10 (10)
98 1210 PIN 2x10 (10)
Build TWO axles by performing the following steps.
1. Lightly grease a #305230 coupling and insert it into the drive shaft
joint.
2. Lightly grease the drive shaft end and slide it into the #305311 wheel
axle. Align the holes in the coupling with the holes in the wheel axle.
3. Insert a #981210 (P 2x10) pin through the aligned holes in the
coupling and wheel axle. Make sure the pin is evenly spaced on both
sides of the wheel axle.
4. Install the #305240 plastic cap onto the drive shaft pins.
Build TWO rear uprights by performing the following steps.
1. Slide a #941015 (BB 10x15) ball-bearing onto the wheel axle.
2. Insert the wheel axle through the rear upright until the bearing
seats in the rear upright. Note the orientation of the parts in the
image.
3. Slide another #941015 (BB 10x15) ball-bearing onto the wheel
axle. Press the bearing into the rear upright, making sure it seats
properly.
4. Secure the wheel axle in the rear upright by installing
a #967100 snap ring in the groove of the wheel axle.
TO INSTALL A SNAP RING:
Place the hex portion of the wheel axle flat on a table.
Put one end of the snap ring into the groove on the
opposite side of the axle cutout, and use a slotted
screwdriver to work the clip into the groove.
INSTALLATION
TO REMOVE A SNAP RING:
Place the hex portion of the wheel axle flat on a table.
Insert a small screwdriver in the axle cutout and pry it
off, taking care not to let it fly off the workbench.
Use proper eye protection.
Groove
03
BAG

Mount two #303031 alu roll center ball-mounts to the
rear shock tower in the initial positions as shown using two
#902308 (SH M3x8) screws.
8
REAR SUSPENSION
902306
SH M3x6
902310
SH M3x10
307454
PB 5mm
901305
SB M3x5
Assemble TWO rear camber linkages by performing the following steps.
1. Thread ball joints onto the ends of a #302615 turnbuckle.
Important: There are two types of ball joints: two with large holes and two with small holes.
Thread the ball joint with the LARGE hole onto the LONGER end of each turnbuckle.
Adjust the turnbuckles to a length of 51.5 mm, measured end-to-end.
The ball joints should be perpendicular (90°) to each other.
Note: Each turnbuckle has a CCW thread on one end and a CW thread on the other end.
Mount the #303093 rear shock tower to
the rear bulkheads with four #902306
(SH M3x6) screws.
Assemble the TWO rear suspension arms by performing the following steps.
1. Place the assembled linkage so the ball joint with the SMALL hole is atop
the rear upright.
2. Pass a #902310 (SH M3x10) screw downward through a #307454 pivot
ball and turnbuckle ball joint, and thread into the INNERMOST hole in the
top of the rear upright. Tighten until the pivot ball snaps into the ball joint,
and then tighten the whole assembly.
3. Snap the other ball joint (with the LARGE hole) onto the alu mount on the
rear shock tower.
LARGE hole
SMALL hole
DETAIL
51.5 mm
902308
SH M3x8
51.5 mm
Install both rear uprights by performing the following steps.
1. Place the driveshaft plastic cap into the diff outdrive slot.
Insert the rear upright into the end of the rear lower arm as
shown. Align the hole in the bottom of the rear upright and
holes in the arm.
2. Slide a #307320 pivot pin through the aligned holes.
Make sure the flat spot on the pivot pin is toward the
bottom.
3. Thread and tighten the #901305 (SB M3x5) set screw
in the bottom of the rear upright until it is tight on the pivot
pin. Be very careful not to overtighten the screw, as the
threads may strip in the composite rear upright.
Check both rear uprights for freedom of movement.
Flat spot on pin
! Tighten very gently !
REAR SHOCK TOWER
INITIAL POSITION
Check the rear suspension for freedom of movement.
The suspension arms must fall freely when lifted up then dropped.
If there is any binding that prevents the arms from moving freely, lightly squeeze the ball joints with pliers, and then recheck.
Small
hole
1:1

9
302070
302002
901408
901308
941015
302159
302040
902310
305431
904306
305102
or
305002
302032
307214
930407
302551
302002
904306
941015
BB 10x15
To tighten front belt:
Rotate front nylon hubs in arrow direction (A)
To loosen front belt:
Rotate front nylon hubs in arrow direction (B)
To remove holder, press out
with tool as shown.
1. Press the #302070 large eccentric ball-bearing holders into the front bulkheads. Align the tab
of each holderwith the middle (bottom) notch in each bulkhead as shown. It may take some effort
to press the large bearing holders into the bulkheads.
2. Press #941015 (BB 10x15) ball-bearings into the eccentric holders.
Make sure the bearings turn freely and easily.
4. FRONT TRANSMISSION
Note machined inneredges
DETAIL
DETAIL
BELT TENSION ADJUSTMENT
DETAIL
30 2032 ALU NUT FOR SUSP. PIVOT PIN (2)
30 2040 LOWER SUSPENSION HOLDER ( SET 2+1+1)
30 2070 ECCENTRIC COMPOSITE HUB FOR BULKHEAD + COVERS (4+2)
30 2159 SHORT SUSPENSION ARM - FRONT LOWER - C-HUB
30 2551 SERVO SAVER PLASTIC COVER - ECCENTRIC (2)
30 7214 FRONT WISHBONE PIVOT PIN LOWER - SPRING STEEL (2)
90 1308 HEX SCREW SB M3x8 (10)
90 1408 HEX SCREW SB M4x8 (10)
90 2310 HEX SCREW SH M3x10 (10)
90 4306 HEX SCREW SFH M3x6 - SILVER (10)
93 0407 BALL-BEARING MR74ZZ 4 x 7 x 2.5 (2)
94 1015 HIGH-SPEED BALL-BEARING 10 x 15 x 4 RUBBER SEALED (2)
30 2002 ALU SUSP. ADJUSTABLE BULKHEADS T1FK'05 (4)
90 4306 HEX SCREW SFH M3x6 - SILVER (10)
30 5002 BALL DIFF. WITH LABYRINTH COVERS
™ - (FACTORY KIT)
30 5102 XRAY MULTI-DIFF
™
T1FK'05 (SET)
30 5431 HIGH-PERFORMANCE KEVLAR DRIVE BELT FRONT 3 x 507 MM
INITIAL POSITION:
PLACE TAB
IN THIS NOTCH
BAG
04

10
LONGER
SHORTER
904306
SFH M3x6
902310
SH M3x10
2.8 mm
Use rear MIDDLE hole
FRONT TRANSMISSION
901408
SB M4x8
1. Press the #302551 eccentric servo saver plastic
holder into the corresponding hole in the chassis.
The tab goes to the REAR.
2. Press the #930407 (BB 4x7) ball-bearing into
the plastic holder in the chassis.
3. Mount the right front bulkhead to the lower
chassis using three #904306 (SFH M3x6) screws.
4. Place the front Multi-Diff™ or ball differential
inside the front end of the long front drive belt.
Orient the front Multi-Diff™ or ball differential so
the LONG output shaft points toward the RIGHT
front bulkhead, then slide the output shaft through
the ball-bearing.
5. Slide the left front bulkhead into position over
the other end of the front Multi-Diff™ or ball
differential, and mount to the lower chassis using
three #904306 (SFH M3x6) screws.
BOTTOM
TOP
FRONT
1. Mount lower suspension holders to the outside rear of the front bulkheads,
using a #902310 (SH M3x10) screw and #302032 alu nut.
Use the rear MIDDLE holes as shown.
2. For each front lower arm, slide a #307214 pivot pin through
the holes in the arm, and into the holes in the rear
lower holders.
3. For each front lower arm, mount a
front lower holder onto the front of the
pivot pin. Attach the front lower holders
to the outside front of the bulkheads
using a #902310 (SH M3x10) screw
and #302032 alu nut. Use the
MIDDLE holes as shown.
901308
SB M3x8
930407
BB 4x7
DETAIL
3.0 mm
The left and right front lower arms are mirror images.
1. Thread a #901408 (SB M4x8) downstop adjustment screw into the
innermost hole at the rear of each front lower arm, closest to the pivot pin
holes. The screw must protrude 2.8 mm below the arm.
2. Thread one #901308 (SB M3x8) setscrew into the hole at the front of the
arm as shown. The setscrew must protrude 3.0 mm.
DETAIL
FRONT
TAB TO REAR
REAR
Use front MIDDLE hole

11
5. FRONT SUSPENSION
981210
302284
302260
302250
941015
305240
941015
302282
901304
902306
302662
305321
305311
307220
902312
902310
307454
305230
302290
303240
960030
967100
302096
902312
302630
303220
902310
981210
P 2x10
941015
BB 10X15
967100
C 10
Build TWO front steering blocks by performing the following steps.
1. Slide a #941015 (BB 10x15) ball-bearing onto the wheel axle.
2. Insert the wheel axle through the steering block until the bearing seats in
the steering block. Note the orientation of the parts in the image.
3. Slide another #941015 (BB 10x15) ball-bearing onto the wheel axle. Press
the bearing into the steering block, making sure it seats properly.
4. Secure the wheel axle in the steering block by installing a #967100
snap ring in the groove of the wheel axle.
Build TWO axles by performing the following steps.
1. Lightly grease a #305230 coupling and insert it into the drive shaft joint.
2. Lightly grease the drive shaft end and slide it into the #305311 wheel axle. Align the holes
in the coupling with the holes in the wheel axle.
3. Insert a #981210 (P 2x10) pin through the aligned holes in the coupling and wheel axle.
Make sure the pin is evenly spaced on both sides of the wheel axle.
4. Install the #305240 plastic cap onto the drive shaft pins.
GREASE
30 2096 SHOCK TOWER FRONT - FACTORY KIT
30 2250 COMPOSITE STEERING BLOCK RIGHT FOR C-HUB SUSP.
30 2260 COMPOSITE STEERING BLOCK LEFT FOR C-HUB SUSP.
30 2282 COMPOSITE C-HUB FRONT BLOCK, RIGHT - MEDIUM - CASTER 3°
30 2284 COMPOSITE C-HUB FRONT BLOCK, LEFT - MEDIUM - CASTER 3°
30 2290 C-HUB BUSHING (4)
30 2630 ADJ. TURNBUCKLE L/R 20 MM - SPRING STEEL (2)
30 2662 BALL JOINT 5 MM - OPEN (6)
30 3220 BALL JOINT 5.8 MM (4)
30 3240 BALL UNIVERSAL 5.8 MM HEX (4+4)
30 5230 DRIVE SHAFT COUPLING - SPRING STEEL (2)
30 5240 DRIVE SHAFT REPLACEMENT PLASTIC CAP 3 MM (4)
30 5311 WHEEL AXLE - 22 MM - INTEGR. HEX HUB - (FACTORY KIT) (2)
30 5321 DRIVE SHAFT - 51 MM - SPRING STEEL - (FACTORY KIT) (2)
30 7220 FRONT PIVOT PIN FOR C-HUB (2)
30 7454 PIVOT BALL 5.0 MM DOUBLE BEVEL SHOULDERS (10)
90 1304 HEX SCREW SB M3x4 (10)
90 2306 HEX SCREW SH M3x6 (10)
90 2310 HEX SCREW SH M3x10 (10)
90 2312 HEX SCREW SH M3x12 (10)
94 1015 HIGH-SPEED BALL-BEARING 10 x 15 x 4 RUBBER SEALED (2)
96 0030 NUT M3 (10)
96 7100 O-CLIP 10 (10)
98 1210 PIN 2x10 (10)
05
BAG

12
Install both front C-hub assemblies in the front lower arms by performing the
following steps.
1. Place the driveshaft plastic cap into the front axle outdrive slot. Insert the
C-hub assembly into the end of the front lower arm as shown. Align the hole
in the bottom of the C-hub and holes in the arm.
2. Slide a #307220 pivot pin through the aligned holes. Make sure the flat
spot on the pivot pin is toward the bottom.
3. Thread and tighten the #901304 (SB M3x4) set screw in the bottom
of the C-hub until it is tight on the pivot pin’s flat spot. Be very careful
not to overtighten the screw, as the threads may strip in the
composite C-hub. The C-hub assembly should move freely.
4. Mount the #302096 front shock tower to the front bulkheads
with two #902306 (SH M3x6) screws.
5. Mount two #960030 M3 nuts to the rear of the front
shock tower using two #902310 (SH M3x10) hex screws, using the
holes shown.
6. Mount two #303240 balls to the rear of the shock tower
on the same screws, against the M3 nuts.
FRONT SUSPENSION
902312
SH M3x12
902306
SH M3x6
902310
SH M3x10
Assemble the TWO front C-hubs by performing the following steps.
1. Insert two #302290 bushings into the C-hub upper and lower holes.
Install the bushings from the inside of the C-hub as shown, with the flanges
facing into the C-hub.
2. Insert the steering block assembly into the C-hub, passing the driveshaft
through the oblong hole in the side of the C-hub. Insert the left steering
block assembly into C-hub marked L3, and insert the right steering
block assembly into C-hub marked R3.
3. Pass two #902312 (SH M3x12) screws through the bushings,
and thread into the top and bottom of the steering block.
The steering blocks should move freely.
INSTALLATION
Right C-Hub is marked ‘R3’
Left C-Hub is marked ‘L3’
REMOVAL
901304
SB M3x4
Assemble TWO front camber linkages by threading ball joints onto the ends of a #302630 turnbuckle as shown.
The ball joints should be perpendicular (90°) to each other. Adjust the linkages to a length of 49 mm, measured end-to-end.
Note: Each turnbuckle has a CCW thread on one end and a CW thread on the other end.
Groove
FRONT
INITIAL POSITION
307454
PB 5 mm
TO INSTALL A SNAP RING:
Place the hex portion of the wheel axle flat on a table.
Put one end of the snap ring into the groove on the
opposite side of the axle cutout, and use a slotted
screwdriver to work the clip into the groove.
TO REMOVE A SNAP RING:
Place the hex portion of the wheel axle flat
on a table. Insert a small screwdriver in the
axle cutout and pry it off, taking care not to
let it fly off the workbench.
Use proper eye protection.
DETAIL
Flat spot on pin
! Tighten very gently !
902310
SH M3x10
960030
N M3
49 mm
Assemble TWO front suspension arms by performing the following steps.
1. Place the assembled camber linkage between the front shock tower and C-hub.
2. Pass a #902310 (SH M3x10) screw downward through a #307454 pivot ball
and linkage ball joint, and thread into the hole in the top of the C-hub. Tighten
until the pivot ball snaps into the ball joint, and then tighten the whole assembly.
3. Snap the linkage ball joints onto the balls at the rear of the shock tower.
Check arms for free movement.
49 mm
1:1

60.5 mm
13
302551
930407
306510
904306
302502
307454
307454
302662
902312
307454
302662 302580
or 302582
302662
301164
902310
302611
307454
902312
302615
902312
902310
904306
Assemble the servo link by threading #302662 ball joints onto the ends of a #302615 turnbuckle.
The ball joints should be perpendicular(90°) to each other.
Adjust to the properlength as shown.
Note: The turnbuckle has a CCW thread on one end and a CW thread on the otherend.
6. STEERING
FACTORY PRE-ASSEMBLED
approx. 53 mm
302502
62 mm
30 2502 CENTRAL SERVO SAVER T1FK'05 (SET)
30 2551 SERVO SAVER PLASTIC COVER - ECCENTRIC (2)
30 2580 COMPOSITE SERVO HORN - KO, JR, AIRTRONICS, MULTIPLEX
30 2582 COMPOSITE SERVO HORN - FUTABA, ROBE
30 2611 ADJ. STEERING ROD L/R 35 MM - SPRING STEEL (2)
30 2615 ADJ. STEERING ROD 30 MM - SPRING STEEL (2)
30 2662 BALL JOINT 5 MM - OPEN (6)
30 6510 ALU TOP DECK MOUNT (2)
30 7454 PIVOT BALL 5.0 MM DOUBLE BEVEL SHOULDERS (10)
90 2310 HEX SCREW SH M3x10 (10)
90 2312 HEX SCREW SH M3x12 (10)
90 4306 HEX SCREW SFH M3x6 - SILVER (10)
93 0407 BALL-BEARING MR74ZZ 4x7x2.5 (2)
30 1164 UPPER DECK T1FK'05 - CNC MACHINED
90 4306 HEX SCREW SFH M3x6 - SILVER (10)
1:1
Assemble the right and left steering rods by threading #302662 ball joints onto the ends of #302611 turnbuckles. The ball joints
should be parallel with each other. Adjust to the properlengths as shown.
Note: Each turnbuckle has a CCW thread on one end and a CW thread on the otherend.
1:1
BAG
06

STEERING
14
1. Choose the proper servo horn to fit your servo; see the parts list.
Orient the servo horn as shown in the image.
2. Pass a #902310 (SH M3x10) screw through a #307454 pivot ball
and servo link ball joint, and into the hole at the end of the servo horn.
Tighten until the pivot ball snaps into the ball joint, and then tighten
the whole assembly.
Check all servo saver arms for freedom of movement.
1. Press a #302551 eccentric servo saver plastic cover into the corresponding hole in
the bottom of the upper deck. The tab goes to the REAR.
2. Press a #930407 (BB 4x7) ball-bearing into the plastic cover in the top deck.
3. Position the servo saver in the chassis, and slide the steering rods through the front
bulkheads. Place the servo saver lower post into the ball-bearing in the chassis.
4. Attach the alu top deck mounts to the chassis using #904306
(SFH M3x6) screws.
5. Place the top deck atop the bulkheads. The servo saver upper post fits
into the ball-bearing in the top deck.
6. Attach the upper deck to the bulkheads and top deck mounts using
eight #904306 (SFH M3x6) screws.
930407
BB 4x7
LEFT
STEERING ROD
62mm
Splines for servo
on this side
RIGHT
STEERING ROD
60.5mm
SERVO LINK
1. Attach the left and right steering rods to the servo saver.
Pass a #902312 (SH M3x12) screw upward through the following parts:
• #307454 pivot ball
• steering rod inner ball joint (on long end)
Thread the screw into the inner hole on the bottom of the servo saver.
Tighten until the pivot ball snaps into the ball joint, and then tighten the
whole assembly.
2. Attach the servo link to the servo saver. Pass a #902310
(SH M3x10) screw downward through a #307454 pivot ball
and servo link ball joint, and thread into the servo saver side arm.
Tighten until the pivot ball snaps into the ball joint, and then
tighten the whole assembly.
902310
SH M3x10
904306
SFH M3x6
Slide steering rods through bulkheads
FREE MOVEMENT
FREE
MOVEMENT
307454
PB 5 mm
307454
PB 5 mm
307454
PB 5 mm
INITIAL POSITION:
MOUNT STEERING
RODS TO OUTER HOLES
902312
SH M3x12
Attach the left and right steering rods to the steering blocks.
Pass a #902312 (M3x12) screw downward through a
#307454 pivot ball and the steering rod ball joint,
and thread into the steering block outer position.
Tighten until the pivot ball snaps into the ball joint,
and then tighten the whole assembly.
Check the steering system for freedom of
movement.
902312
SH M3x12
902310
SH M3x10
TAB TO REAR
REAR

15
7. SHOCK ABSORBERS
303240
308310
971031
970050
308393~308398
308384~308388
308040
961032
308360
965023
965019
308035
NON-ADJUSTABLE
970121
308310
308310
308080
308350
308310
308310
308035
ADJUSTABLE
4 HOLES 1-4 HOLES
OROROR
3 HOLES2 HOLES
308320
OPTION
Properly functioning shocks are very important to the performance of your car. This XRAY shock set contains parts to build four externally-adjustable or non-adjustable shocks.
Both adjustable and non-adjustable shocks feature XRAY's unique keying system that positively locks the pistons to the shock rods.
Carefully cut the parts from the frames, and then VERY carefully trim any excess flash with a sharp hobby knife. We recommend you use extra-fine sandpaper to gently smooth
small flashing. The side walls of the pistons must be perfectly round and smooth for proper operation.
We recommend you build all four shocks simultaneously. Ensure you have a clean work area to build the shocks.
Assemble FOUR adjustable shock rod assemblies by performing the following steps.
1. Press a #965023 (C 2.3) E-clip into the lower groove in the shock rod.
2. Place a #961032 (S 3.2) washer onto the shock rod atop the C-clip.
3. Press the piston assembly onto the shock rod, aligning flat in pistons
with flat on the shock rod.
4. Press a #965019 (C 1.9) E-clip into the upper groove in the shock rod.
5. Apply a drop or two of shock oil to the piston rod assembly,
and then insert the shock rod assembly into the shock body.
Cutaway view of
assembled adjustment collar
Perform the following steps for all four shocks.
1. Lubricate the inner edge of a #970121 (O12.1x1.6) O-ring with
a drop or two of shock oil. Insert it into the groove of a #308040
threaded collar.
2. Carefully thread the collar onto the shock body as shown.
Be careful not to cross-thread the collar on the shock body.
965019
C 1.9
965023
C 2.3
961032
S 3.2
965019
C 1.9
965023
C 2.3
Apply a drop or two of shock oil to the piston pieces. Press upper piston (A) into lower piston (B)
as shown. The upper piston with holes (A) has a small tab that must exactly fit into one of the
notches in lower piston (B).
A
A
B
B
Assemble FOUR non-adjustable piston rod assemblies by performing the following steps.
Use the 3-hole non-adjustable pistons.
1. Press a #965023 (C 2.3) E-clip into the lower groove in the shock rod.
2. Press a 3-hole piston onto the shock rod, aligning flat in piston with flat on the shock rod.
3. Press a #965019 (C 1.9) E-clip into the upper groove of the shock rod.
4. Apply a drop or two of shock oil to the piston rod assembly, and then insert the shock rod
assembly into the shock body.
ADJUSTABLE PISTONS
NON-ADJUSTABLE PISTONS
ADJUSTABLE PISTONS
NON-ADJUSTABLE PISTONS
308035
970121
O 12.1x1.6
Cutaway view of
adjustable piston
30 3240 BALL UNIVERSAL 5.8 MM HEX (4+4)
30 8035 NYLON PISTONS ADJUSTABLE + NON-ADJUST. (SET 2+6)
30 8040 SHOCK ADJ. NUT ALU + O-RING (4+4)
30 8080 SHOCKABSORBER MEMBRANES (4)
30 8310 NYLON FRAME SHOCK PARTS 4-STEP
30 8350 SHOCK CAP-NUT ALU (2)
30 8360 HARDENED PISTON RODS FOR KEYED PISTONS (2)
30 8380 ADDITIONAL XRAY ULTIMATE RACING SPRINGS (20)
30 8390 XRAY SELECTED ULTIMATE RACING SPRINGS (24)
96 1032 WASHER S 3.2 (10)
96 5019 E-CLIP 1.9 (10)
96 5023 E-CLIP 2.3 (10)
97 0050 O-RING 5x1 (10)
97 0121 O-RING 12.1x1.6 (10)
97 1031 SILICONE O-RING 3.1x1.6 (10)
07
BAG

16
SHOCK ABSORBERS
1. Insert the larger #970050 (O 5x1) O-ring onto the shock body,
until it seats around the shock body extension.
2. Lubricate the small #971031 (O 3.1x1.6) O-ring with a drop
or two of shock oil. Taking care not to rip or damage the O-ring,
slide it over the end of the shock rod.
3. Install the end-cap onto the bottom of the shock body. Lock it in
place by pressing it on, then turning it CW about 1/8 of a turn.
For easy assembly, use a #183010 HUDY Shock Assembly Tool.
1. Place the top pivot mount on top of the bladder. Note the tab on the top pivot mount.
2. Place the #308350 collar over the top pivot mount, and thread it fully onto the shock body.
More excess oil may escape. Ensure the notch in the collar fits over the tab on the top pivot mount.
Shock bleeding:
Turn the shock upside down and pull the shock rod out to full extension. Release the shock end-cap by turning it CCW and
pulling it slightly away from the shock body. Let the shock “vent” for at least 10 minutes; excess oil should seep out the end
of the shock body. If the shock rod doesn’t retract slightly into the shock body, push it in by 1~2mm. Replace the end-cap.
Check the shock for proper operation. The shock rod must move in and out freely with only "hydraulic" dampening.
The shock rod should not extend out by itself when pushed in and released, nor should it be drawn into the shock body when
extended and released. If this happens, reopen the shock, refill with oil, reassemble, and repeat the bleeding procedure.
Shock length adjustment:
It is VERY important that all shocks are equal length.
Fully extend the shock absorber and measure the end-
to-end length; we recommend using digital calipers to
give an accurate measurement. If a shock absorber is
shorter or longer than others, adjust the shock length by
tightening or loosening the ball joint on the shock rod.
Damping adjustment:
If you built the adjustable shocks, fully extend
the shock rod and turn it slightly to lock the
piston in the shock body.
Turning the shock rod fully CCW aligns 4
holes in the pistons (softest damping). Turning
the shock rod fully CW aligns 1 hole in the pistons
(hardest damping). The shocks have four settings, each
of which can be felt by a slight "click".
Set all four shocks initially to position 3 (3 holes open).
1. Fully extend the piston rod so the piston is at the bottom of the shock body.
2. Hold the shock upright and slightly overfill the shock body with shock oil.
3. Let the oil settle and allow air bubbles to rise to the top. Slowly move the
piston up and down until no more air bubbles appear. Add shock oil as necessary.
4. Pull the piston rod most of the way out of the shock body.
5. Place the rubber bladder on top of the shock body. Some oil should spill out.
6. Move the piston out very slightly so the bladder seals against the top of the
shock body.
Align tab
and notch
Grip the shock rod. Use either a shock rod
clamping tool, or grip the top of the shock
rod’s exposed thread with side-cutting pliers.
Thread the ball joint onto the shock rod until
approximately 1mm of thread is exposed.
HINT: Pre-thread the ball joint using an M3 screw.
WARNING! Be careful not to pre-thread too far, since the ball joint may split or the plastic threads may strip out
1mm
Cutaway view of
assembled
shock
absorber
TOOL
(OPTIONAL)
970050
O 5x1
971031
O 3.1x1.6
Final shock assembly:
1. Slide a spring onto the
end of the shock.
2. Secure the spring with a
spring cup, and settle the
spring cup on the ball joint.
3. Use pliers to install two
#303240 balls in each
shock; one in each
of the upper and
lower eyelets.
DETAIL
1
2
3
4
HARDEST
SOFTEST
HINT: Press ball into side of top
mount with tab
FRONT
(White springs)
REAR
(Yellow springs)
DETAIL

17
301330
981210
902308
960030
308300
904308
301230
902306
Attach TWO rear shocks by performing the following steps.
1. Mount the top pivot ball of the assembled rear shock to
the rear shock tower using #902306 (SH M3x6) screw.
Use the indicated hole as shown.
2. Thread the lower pivot ball of the assembled rear shock
onto the protruding screw at the back of the rear lower arm.
30 1230 COMPOSITE BUMPER REAR
30 1330 REAR BODY MOUNT SET
90 2306 HEX SCREW SH M3x6 (10)
90 2308 HEX SCREW SH M3x8 (10)
90 4308 HEX SCREW SFH M3x8 - SILVER (10)
96 0030 NUT M3 (10)
98 1210 PIN 2x10 (10)
30 8300 XRAY SHOCK ABSORBER-SET 4-STEP (2)
Assemble TWO rear body posts by performing the following
steps.
1. Mount the body post to the front of the rear shock tower. The
bottom plastic pin fits into the lower hole. Use a #902308 (SH
M3x8) screw to fasten each body post to the shock tower.
2. Insert a #981210 (P 2x10) pin into one of the holes in the
rear body post. Insert the other pin into the same hole in the
other body post.
3. Glue a rubber washer to the top of a plastic body support.
4. Slide the body support onto the body post, and snap onto the
pin.
8. REAR ASSEMBLY
902308
SH M3x8
981210
P 2x10
CA GLUE
REAR LOWER ARMREAR SHOCK TOWER
INITIAL POSITION
Attach #301230 rear bumper to back edge of chassis
using #904308 (SFH M3x8) screw and #960030
(N M3) nut.
902306
SH M3x6
904308
SFH M3x8
960030
N M3
REAR SHOCK
(Yellow spring)
BAG
08

18
8. FRONT ASSEMBLY
902306
308300
301320
301217
981210
301200
301220
960030
904308 904310
904310
1. Place a #960030 (N M3) nut into the hex recess atop the #301200
lower bumper.
2. Place the lower bumper onto the front of the chassis.
3. Thread a #904308 (SFH M3x8) screw up through the bottom of the
chassis, through the bumper, and into the M3 nut.
4. Thread two #904310 (SFH M3x10) screws up through the bottom of the
chassis and into the lower bumper.
30 1217 COMPOSITE UPPER BUMPER SUPPORT
30 1320 FRONT BODY MOUNTS ( SET )
90 2306 HEX SCREW SH M3x6 (10)
90 4310 HEX SCREW SFH M3x10 - SILVER (10)
98 1210 PIN 2x10 (10)
30 1200 COMPOSITE BUMPER
30 1220 FOAM BUMPER
90 4308 HEX SCREW SFH M3x8 - SILVER (10)
96 0030 NUT M3 (10)
30 8300 XRAY SHOCK ABSORBER-SET 4-STEP (2)
904308
SFH M3x8
904310
SFH M3x10
904310
SFH M3x10
960030
N M3
Attach TWO front shocks by performing the following steps.
1. Mount the top pivot ball of the assembled front shock to the graphite
shock tower using #902306 (SH M3x6) screw. Use the indicated hole as
shown.
2. Thread the lower pivot ball of the assembled front shock onto the
protruding screw at the front of the front lower arm.
902306
SH M3x6
1. Insert the front body posts into the holes of the #301217 upper
bumper support.
2. Slide the #301220 foam bumper up onto the body posts; the posts
should extend down through the foam bumper.
3. Position the bumper assembly onto the lower bumper.
4. Secure the body posts to the lower bumper by threading two
#904310 (SFH M3x10) screws upward through lower bumper into the
bodyposts.
5. Secure the upper bumper support to the front bulkheads with
two #902306 (SH M3x6) screws.
6. Glue rubber washers to the tops of the plastic body supports.
7. Insert a #981210 (P 2x10) pin into a hole in a front body post.
Insert the other pin into the same hole in the other body post.
8. Slide the body supports into the body posts, and snap onto the pins.
902306
SH M3x6
981210
P 2x10
FRONT SHOCK TOWER
FRONT LOWER ARM
INITIAL POSITION
CA GLUE
FRONT SHOCK
(White spring)
BAG
08

19
9. FINAL ASSEMBLY
30 3050 CENTRAL MOTOR MOUNT
30 5716~34 PINION GEAR ALU HARD COATED 48T (OPTION)
30 6200 ALU SERVO MOUNT (2)
90 2306 HEX SCREW SH M3x6 (10)
90 2308 HEX SCREW SH M3x8 (10)
90 4306 HEX SCREW SFH M3x6 - SILVER (10)
306200
303050
904306 902306
902308
904306
904306
FROM SERVO
NOT INCLUDED
NOT INCLUDED
NOT INCLUDED
902308
SH M3x8
FROM SERVO
904306
SFH M3x6
1. Attach the central motor mount to the chassis using two
#904306 (SFH M3x6) screws, and to the top deck with one
#904306 (SFH M3x6) screw.
2. Mount a pinion gear to the motor shaft and secure with
setscrew.
Pinion gear is NOT included in the kit.
3. Mount the motor to the central motor mount using two
#902306 (SH M3x6) screws.
Adjust the motor so the pinion meshes with the spur
gear properly. Make sure the gear mesh is not too
tight.
There should be a small amount of play between the teeth of
the pinion gear and the spur gear.
1. Attach the servo to the #306200 servo mounts using four
#902308 (SH M3x8) screws.
The servo output shaft should go to the REAR.
2. Attach the servo mounts to the chassis using two #904306
(SFH M3x6) screws.
3. Attach the servo horn to the servo using the screw that
comes with the servo.
If the servo does not fit properly, you may have to
add shims between the servo tabs and the mounting
posts.
904306
SFH M3x6
902306
SH M3x6
DETAIL
09
BAG
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