Ofna Racing X3 Sabre User manual

1.Before Starting
2.While Operating
•Please read manual carefully (With a parent, guardian or a responsible adult if necessary).
•Any running area you choose must be dry. Do not run vehicle near any water or wet areas.
•Do not run on public streets. It is very easy to have the car run over or be damaged by hitting the curb.
•Do not operate the car in tight confined places. The vehicle is very fast and will easily hit something.
•Do not run near people or animals. The car is very fast and could easily hit someone if you are not an
expert driver.
•Do not operate the car at night. You will not be able to drive it safely.
3.Before Operating
•Make sure that all screws and nuts are properly tightened.
•Always use fresh batteries for your transmitter and receiver before running the car. If the radio does
not have full control of the car with steering, throttle and brake. Do not run it until corrected. Failure
to correct this will result in possible injury and damage to the car or property.
We strongly recommend using a failsafe.
•Please confirm the steering and throttle is at neutral position.
4.Check Your Vehicle After Runing
•Turn OFF receiver first, then transmitter. This will prevent the car from losing control.
•After running radio controlled car, it is necessary to perform routine maintenance.
5.Cautions for Safety
IMPORTANT-READ THIS BEFORE RUNNING
•If your model does not operate correctly, stop it and find the cause.
WARNING: After each run, the model is hot, beware of getting burned.
•Keep hands and tools away from moving parts.

IMPORTANT-READ THIS BEFORE RUNNING
Running nitro kit is fun and easy, but to make
this a safe and good experience you must
observe a few rules. This kit is extremely fast,
easily over 35MPH, and can seriously injure
someone if you are not careful.
•Any running area you choose must be dry.
Do not run car near any water or wet dirt.
•Remove air filter and cover carb. intake.
•Remove fuel from tank and fuel lines
•This kit is not a toy. Always run car with a
second person as a spotter and pitman.
•Hot Parts-The pipe, manifold, engine and head
are very hot and will cause burns.
•Rotating Parts-Keep hands away from the
drive train, wheels, and engine when engine
is running.
•Radio-Check battery life before running the
car. The radio does not have full control of the
car with steering and/or throttle/brake, do not
run until corrected. Failure to correct this will
result in possible injury and damage to the
car or property. We strongly recommend
using a Failsafe.
•Glow fuel-Do not leave the glow fuel
unattended with the lid off. Nitro fuel contains
Methanol and Nitro Methane is flammable
and poisonous.
Store fuel in cool ventilated location.
Refer to the glow fuel label for additional
precautions.
•Never leave fuel in car,
it will ruin the engine if left in tank.
•Always turn off the car BEFORE turning off
the radio.
•DAMAGE DUE CAR RUN AWAY IS NOT
A WARRANTY ISSUE .
•Turn off radio in the car
•Put a few drops of after run in the engine to keep
it from rusting.
•Clear oil and dirt from chassis with a
degreaser.
•Squeeze fuel line and hold until engine stops.
•With a rag, cover exhaust outlet.
• Do not run on public streets. It is very easy to
have the car run over or be damaged by hitting
the curb.
•Do not operate the car in tight confined
places. The car is very fast and will easily hit
something.
•Do not operate the car at night. You will not
be able to drive it safely.
•Do not operate the car indoors. Engine
exhaust fumes are dangerous.
•Glow fuel is poisonous!
•Glow fuel is flammable!
•Do not leave in fuel bottle with lid off at any
time.
•Do not use any fuel other than glow fuel in the
engine.
•Do not do this alone, get an experienced
friend to help for the first time.
•Fill fuel tank, try not to spill fuel. Do not spill
fuel on receiver.
•Hold car off the ground, so it will not runaway
when it first starts.
•Turn on the radio and check the linkage before
starting engine.
•Turn on car receiver battery switch.
•Always have an air filter on the carburetor to
keep dirt out.
Caution!
When starting the engine make sure the
following is observed.
IF YOU DO NOT BREAK-IN
ENGINE CORRECTLY, AT LOW-MID
RPM, YOU WILL BREAK THE
CONNECTING ROD!
•Do not run near people or animals. The car is
very fast and could easily hit someone if you
are not an expert driver.
•Due to noise, you will want to consider the
surrounding area when operating the car.
1. Where to run car?
2. Glow Fuel
3. First Time Starting the Engine
•See your engine owners manual.
4. Engine Break-in
5. Emergency Engine Stopping
6. Storing Car After Running
7. Precautions

TOOLS NOT INCLUDED IN THE KIT
Cutter
Craft Knife
Equipment Needed
Precision Caliper
Needle Nosed Pliers
Curved Scissors
OVERVIEW
Glow Fuel
Fuel Bottle
Starter Box
Body Reamer
Instant Cemment
Screw Cement
CA
Screw Cement
Transmitter
Receiver Switch
UM-3 Batteries
For
( 8pcs )
Transmitter
Servos
5-cell 6V Receiver Pack
.21 Engine
Glow Igniter
S r Pa np ay i t
Spray Paint
GEAR
GREASE
Gear Grease
Cross Wrench
Flywheel Tool
Allen Drivers
Screw Drivers
1.5mm
2.0mm
2.5mm
3.0mm
5.5mm Allen Socket Driver
7.0mm Allen Socket Driver
Air Filter Oil
rAir Filte Oil
Receiver Switch

PARTS REFERENCE
41301
Spiral Bevel Gear 43T
41302
Spiral Bevel Gear 13T
41303
Diff. Gear 10Tx4, 20Tx2, 0.15mmx8
1pc. 2pcs.
41304
Front wheel CVD Shaft Set, 107.5mm
41500
Front Wheel CVD Shaft, 107.5mm
41305
Rear Wheel CVD Shaft Set, 105mm
41501
Rear Wheel CVD Shaft, 105mm
41306
Drive Shaft Insert / 2.5 x12.8 Pin
41307
CVD Wheel Axle
41308
Front Anti-roll Bar 2.3mm, Black
41309
Rear Anti-roll Bar 2.3mm, Black
41310
Front Anti-Roll Bar 2.5mm, Nickel-Plating
41311
Rear Anti-Roll Bar 2.5mm,Nnickel-Plating
2.3 2.3 2.5
2.5
41312
4 x 66mm Arm Shaft
41313
3.5 x 45.8 Rear Upright Shaft
1pc. 1pc. 4pcs. 8pcs.
2pcs.
2pcs. 2pcs. 2pcs.
2pcs.
2pcs.
2pcs. 2pcs. 2pcs.
2pcs. 4pcs. 4pcs.
2pcs. 1pc. 1pc. 1pc.
1pc.
2pcs. 2pcs.
41314
Steering King Pin
4pcs.
41315
Front Arm Bushing
4pcs. 2pcs.
41316
Servo Saver Post
2pcs.
41317
Alum. Servo Saver Tube
41318
Servo Saver Spring
1pc.
41319
Servo Saver Adjuster, 12 x 1.7 O-Ring
1pc. 1pc.
41320
Servo Saver Connecting Plate, BType
1pc.
41321
Servo Saver Screw
4pcs.
41322
Servo Saver Bushing
2pcs.
41327
Brake Pad Screw
4pcs.
41324
Brake Disk 27mm (Fiber-Glass)
2pcs.
41325
Brake Cam
2pcs.
41326
Brake Pad Spring
4pcs.
4pcs.
41328
Brake Rod Spring
2pcs.
41329
16mm Alum. Shock Cap
4pcs.
41330
Shock Mount
4pcs.
41323
Brake Pad

PARTS REFERENCE
41331
7x8.5mm Ball & Socket
4pcs. 2pcs.
41332
7x12mm Ball & Socket
4pcs.
41333
Hex 4mm Ball & Socket
41334
2.5x11.8 Pins
10pcs.
41335
2.5x12.8 Pin
10pcs.
41336
Brake Linkage Rod 1.8 x 95mm
1pc.
41337
Engine Mount L.R (Black)
1pc. 1pc.
41338
Diff Gasket 31x20x0.3
3pcs.
41339
4x8mm Engine Mount Screw
4pcs.
41340
4x10mmSet Screw, Round Head
4pcs.
41341
X3S PC Body, Clear
1pc.
1pc.
1pc.
41342
X3S Fuel Tank
1pc.
41343
Diff. Case (F&R)
1pc. 1pc.
41344
Gear Case
1pc.
41345
Front Lower Arms L,R
1pc.
41346
Suspension Eccentric Bushing
1pc.
41347
Steering Knuckle Arm L,R
1pc.
41348
Front C Hub L,R
1pc.
41349
Body Post/Center Brace
1pc.
41350
Plastic Rod End
1pc.
41351
Servo Saver Set/Front Top Deck
1pc.
41352
Front Bumper/Rear Mud Deflectors
1pc.
41353
Rear Lower Arms L,R
1pc.
41354
Rear Hub Carrier L.R
41355
Rear Wing Mount
41356
Center Diff Holder Part
1pc.
41357
Side Guard L.R
41358
Receiver/Battery Box
1pc.
41359
Throttle/Steering Level Set
1pc.
1pc.
1pc.
41360
1/8 Air Filter /Foam
1pc. 1pc.
41502
Air Filter Foam
1pc. 1pc. 2pcs.
3x8mm
1pc.
30692
1pc.

SYMBOLS USED THROUGHOUT THE INSTRUCTION MANUAL
Ensure
Free
Movement
Ensure Free
Movement
Apply
Grease
Apply Lubricant
Oil
Tighten
Tighten Contact
Adhesive
Contact Adhesive
Screw
e
C ment
BAG
1:1
Parts Bag Used Degrease With
Motor Spray
Do Not
Over Tighten
True-To-Scale
Apply Oil
Apply Screw
Cement
Do Not
Over Tighten
Time
Time Pay attention here
PARTS REFERENCE
41361
8x14 Ball Bearing
41362
13x20 Ball Bearing
41363
X3S Screw Bag
4pcs. 4pcs.
41401
CNC 7075-3mm Lightweight Chassis
1pc.
41402
CNC 7075-5mm Front Shock Tower
1pc.
41403
CNC 7075-5mm Rear Shock Tower
1pc.
41404
Diff. Cap Joint (Lightweight)
2pcs.
41405
CNC 7075 Chassis Brace (Front/Rear)
1pc. 1pc.
1pc. 4pcs. 5pcs.
3x12 3x10 3mm
41503
CNC 7075 Chassis Brace (Front)
41504
CNC 7075 Chassis Brace (Rear)
1pc. 2pcs. 3pcs.
3x12 3x10 3mm
1pc. 2pcs. 2pcs.
3x10 3mm
1pc.
41406
CNC 7075 Suspension Holder,FF
1pc.
41407
CNC 7075 Suspension Holder,FR
41408
CNC 7075 Suspension Holder,RF
41409
CNC 7075 Suspension Holder,RR
1pc. 1pc. 1pc.
41410
Center CVD Cap Joint
1pc.
41507
Center CVD Shaft, Rear, 113mm
41411
Center CVD Shaft Set, Front, 101.5mm
1pc. 1pc. 1pc.
1pc.
1pc. 1pc. 1pc.
1pc.
41506
Center CVD Shaft, Front ,101.5mm
41412
Center CVD Shaft Set, Rear,113mm
1pc.
3x5
3x8
3x10
3x12
3x15
3x18
3x20
3x22
10pcs.
2pcs.
8pcs.
8pcs.
12pcs.
10pcs.
2pcs.
2pcs.
3x25
3x35
4x15
4x18
3x8
3x10
3x15
3x16
3x35
4x12
4x16
2pcs.
2pcs.
1pc.
4pcs.
10pcs.
7pcs.
6pcs.
2pcs.
4pcs.
8pcs.
4pcs.
41413
Alum. Chassis Brace Mount
1pc. 1pc. 1pc.
4x20
OPT 41414
Alum. Rear Hub Carrier L.R
4mm
OPT
1pc. 1pc.
2pcs.4pcs. 2pcs.
8x16x5 13x20x4
1pc.

1ASSEMBLY OF THE FRONT AND REAR DIFF.
Build two differentials, for front and rear.
Oil
40009
41301(43T)
Oil
36053
Oil
Oil
36053
41343
41303
41334
40009
Step 2
Step 1
41334
2.5x11.8mm Pin .....x4
.....x4
40009
P6 O-Ring
30774
30776
Step 3
Step 5
94020
3x12mm
Step 4
Tighten
•Use the Diff. Oil #7000 for front and #2000 for rear.
DIFF. O LI
•Use a silver sharpie to mark front and rear diff. Case.
41404
Step 1
Step 2
Step detail
Step 1
Step 2
Step detail
Repeat tightening in this order
1
4
3
2
After assembly the differential should be 30.35mm
measured from the ends of the installed ball-bearings.
If differential is longer, hold the bevel gear and
retighten the 4 screws.
30.35 mm
Fill the diff oil just level with the
top of the satellite gears.
Step detail Step detail
80%
30776
4x10x0.15mm
Washer .....x16
30774
4mm Alum. Cross Pin .....x4
36053
8x16x5mm
Ball Bearing
.....x4
94020
3x12mm
Flat Head Hex Screw
.....x8
BAG
NO.1
41303
41334
41404
41303
41338
Instructions into the Pin as shown.
0 10 20 30 40 50
mm
30776
30776
30776
41303
41303
41303
41303

2ASSEMBLY OF THE CENTER DIFF.
Oil
41303
40009
40518(48T)
Oil
36053
41404
Oil
Oil
36053
41343
41303
41334
40009
Step 2
Step 1
Step 5
41338
94020
3x12mm
Step 4
Tighten
DIFF. OIL
41334
Step 1 Step 2
Step detail Step detail
Repeat tightening in this order
After assembly the differential should be 31.2mm
measured from the ends of the installed ball-bearings.
If differential is longer, hold the bevel gear and
retighten the 4 screws.
31.2 mm
Fill the diff oil just level with the
top of the satellite gears.
Step detail Step detail
80%
Use the Diff. Oil #5000 for the center diff.
Step 3
41303
30774
NO.1
BAG
40218
41404
Step 1
Step 2
Instructions for inserting the Pin as shown.
1
4
3
2
0 10 20 30 40 50
mm
30776
41303
30776
30776
30776
41303
41303
41334
2.5x11.8mm Pin .....x2
.....x2
40009
P6 O-Ring
30776
4x10x0.15mm
Washer .....x8
30774
4mm Alum. Cross Pin .....x2
36053
8x16x5mm
Ball Bearing
.....x2
94020
3x12mm
Flat Head Hex Screw
.....x4

3
4
5
ASSEMBLY OF THE CENTER/FRONT CVD SHAFT
ASSEMBLY OF THE FRONT GEAR CASE
41335
2.5x12.8mm Pin .....x1
Step detail
94059
2.6x6x0.5
Washer .....x1
37430
5x11x4mm
Ball Bering .....x2
94070
2.5x5mm
Hex Screw .....x1
94068
4x6mm
Set Screw .....x1
5ASSEMBLY OF THE FRONT PINION GEAR
AND CVD SHAFT
41506
41302
CF 101.5mm
For Center/Front
41344
94075
5x8x0.3
Washer .....x1
NO.2
BAG
NO.2
BAG
NO.2
BAG
S rewc
Cement
41306
41410
41349
41335
Screw Position
37430
41344
37430
41344
Tighten
94075
5x8x0.3
Washer
94068
4x6mm
Set Screw
94070
2.5x5mm
Hex Screw
94059
2.6x6x0.5
Washer

6
5
ASSEMBLY OF THE FRONT DIFFERENTIAL INTO
GEAR CASE
94021
94043
41406
ASSEMBLY OF THE FRONT GEAR CASE COVER
40024
40024
NO.1
BAG
Tighten
41344
NO.2
BAG
7
40024
13x16x0.2mm
Shim .....x2
94021
3x15mm
Flat Head Hex Screw
.....x2
94043
3x35mm
Hex Screw
.....x2
Adjust the backlash with the Shims.
Tighten
8ASSEMBLY OF THE FRONT SHOCK STAY
Tighten
40865
41330
41402
40865
4mm
Nylon Nut .....x2
NO.9
BAG
Srewc
Cem t
en
Screw
Cement

ASSEMBLY OF THE FRONT SHOCK STAY ONTO GEAR CASE
9
94005
41344
Tighten
Tighten
NO.2
BAG
94005
3x15mm
Hex Screw
.....x4
10 ASSEMBLY OF THE FRONT LOWER ARMS
NO.2
BAG
94005
3x15mm
Hex Screw .....x2
41340
4x10mm
Round Head Set Screw .....x2
Assemble both right and left sides.
41340
41346
41345
41312
41346
Tighten
41407
94005
Step detail
Ensure Free Movement
Initial setting
Initial setting
55 mm
After assembly the gear case
should be 55mm measured
from the ends of the installed
front suspension block.
If differential is longer,
re-tighten the 4 screws.
ASSEMBLY OF THE FRONT STABILIZER ROD
11
94006
3x18mm
Hex Screw .....x2
94033
3x3mm
Set Screw
.....x4
94006
94033
30341
30403
41350
94044
94033
94072
41310
94072
2x12mm
Cap Screw .....x1
94044
2.5x8mm
Hex Screw
41344
NO.2
BAG
Tighten
Tighten
.....x2
Step detail
Ensure Free Movement
Do Not
Over Tighten
Step detail
Tighten
94005
94005
94033
1 mm

12 ASSEMBLY OF THE FRONT KNUCKLE ARMS
NO.2
BAG
Step 1 Step 2 Step 3
41348 41347
41361
41314
40527
41362
41314
94067
40527
41362
13x20x4mm
Ball Bearing .....x2
41361
8x14x4mm
Ball Bearing .....x2
94067
3x6mm
Set Screw .....x2 Assemble both right and left sides.
LEFT SIDE 41314
94067
Step detail
Set Screw position
13 ASSEMBLY OF THE FRONT CVD INTO KNUCKLE ARMS 36055
94034
41307
41500
41306
41335
40526
.....x2
36055
2.5x16.8mm Pin .....x2
94034
4x4mm
Set Screw .....x2
NO.2
BAG
F 107.5mm
For Front
Assemble both right and left side.
Screw
Cm ent
e
LEFT SIDE
Right side
14 ASSEMBLY OF THE KNUCKLE ARMS
ONTO FRONT LOWER ARMS
94064
41315
41315
.....x4
Ensure Free Movement
Step detail
NO.2
BAG
Do Not
Over Tighten
Do Not
Over Tighten
Assemble both right and left sides.
Tighten
94041
3mm Nylon Nut .....x2
41335
2.5x12.8mm Pin
94067
94064
4x18mm
Hex Screw
94064
94041

15 ASSEMBLY OF THE FRONT UPPER ARMS
NO.2
BAG
16
NO.2
BAG
Assemble both right and left sides.
LEFT SIDE
17 ASSEMBLY OF THE SERVO SAVER
NO.3
BAG
36861
5x40mm
Turnbuckle .....x2
36850
7mm Ball .....x2
Assemble both left and right sides.
LEFT SIDE
20 2515 3010 355 400
Step detail
Note the locking direction!
41350
41350
36861
36850
41332
Step detail
Use tools to tighten as shown.
41332
7x12mm Ball .....x2
94007
94008
94041
94007
3x20mm
Hex Screw .....x2
94008
3x25mm
Hex Screw
.....x2
94041
3mm
Nylon Nut .....x4
ASSEMBLY OF THE FRONT UPPER ARMS
41319
41319
41318
41351
41351
41317
94041
41320
41321
41321
41322
41351
41322
94041
3mm
Nylon Nut .....X3
41319
12x1.7mm O-Ring .....X1
41321
Steering Plat
Hex Screw .....x2
Step 1 Step 2
Do Not
Over Tighten
Do Not
Over Tighten
Ensure
Free
Movement
Ensure
Free
Movement
Oil
Approx. 15mm
Approx. 3mm
Step detail
94041
94041
94041
Counter-Clockwise Clockwise
Servo saver spring preload.
w
Scre
me
Ce nt
Screw
Cement

18 ASSEMBLY OF THE FRONT PLATE ONTO SERVO SAVER
NO.3
BAG
20
NO.3
BAG
Step 1
Step 2
41349
94004
41351
94061
40074
94003
94061
40074
40074
40074
41316
41316
94041
41503
Ensure
Free
Movement
Ensure
Free
Movement
w
Scre
Ce em nt
Screw
Ct
emen
.....x1
.....x1
94041
3mm
Nylon Nut
94003
3x10mm
Hex Screw
.....x4
40074
6x10x3
Ball Bearing
.....x2
94061
3x6x0.5mm
Washer
.....x3
94004
3x12mm
Hex Screw
19 ASSEMBLY OF THE STEERING TIE-ROD
41331
7x8.5mm Ball .....x4
Make two steering rods for left and right hand sides.
Step detail
Approx. 26mm
Step detail
36790
4x46mm
Turnbuckle .....x2
41331
41350
36790
41350
41331
Use tools to tighten as shown.
NO.3
BAG
RIGHT SIDE
Note the locking direction!
Step detail
LEFT SIDE
94063
3x16mm
Flat Head Hex Screw
.....x2
Face the counter-clockwise mark to the gear case and
make opposite direction for easy adjustment.
RIGHT SIDE
Step detail
94063
ASSEMBLY OF THE STEERING TIE-ROD
94004 94004
Counter-Clockwise
Clockwise
Tighten

21 ASSEMBLY OF THE SERVO ONTO
THE FRONT GEAR BOX
NO.3
BAG
22 ASSEMBLY OF THE CENTER/REAR CVD SHAFT
NO.4
BAG
23
NO.4
BAG
Do Not
Over Tighten
Tighten
94022
94022
94003
.....x2
94003
3x10mm
Hex Screw
.....x2
94022
3x18mm
Flat Head Hex Screw
41335
2.5x12.8mm Pin .....x1
41306
41410
41349
41507
41335
CR 113mm
For Center/Rear
23
Step detail
94059
2.6x6x0.5mm
Washer .....x1
37430
5x11x4mm
Ball Bering .....x2
94070
2.5x5mm
Hex Screw .....x1
ASSEMBLY OF THE REAR GEAR CASE
Tighten
37430
41344
37430
94070
94059
41344
Tighten Screw Position
Screw
C m
eent
Sewcr
Cement

24 ASSEMBLY OF THE REAR PINION GEAR AND CVD SHAFT
NO.4
BAG
25
26
NO.4
BAG
41302
4x6mm
41344
94075
Srewc
Cement
94068
4x6mm
Set Screw .....x1
94075
5x8x0.3mm
Washer .....x1
40024
40024
40024
13x16x0.2mm
Shim .....x2
Adjust the backlash with the Shims.
ASSEMBLY OF THE REAR DIFFERENTIAL ONTO GEAR CASE
ASSEMBLY OF THE REAR GEAR CASE COVER
AND LOWER ARM HOLDERS
94021
3x15mm
Flat Head Hex Screw .....x2
3x35mm
Hex Screw .....x2
94021
94065
41409
Tighten
41344
Tighten
NO.4
BAG
NO.1
94065