Ofna Racing Ultra II User manual
1/8 Scale
Gas Powered Off-Road Buggy
PURE COMPETITION...........
INSTRUCTION MANUAL
The body shown is slightly different in the U.S. kits
OFNA Racing
22692 Granite Way, Ste. B
Laguna Hills, Ca. 92653
(949) 586-2910
Www.ofna.com
TOOLS NOT INCLUDED IN KIT
THINGS NEED BESIDES THE KIT
RADIO CONTROL UNIT
12V Battery for Starter Box
(must have)
Glow Plug Heat with Battery & Charger
# 10227....$$19.95
(please note OFNA Glow Heats available)
AA Batteries ( 12 pcs ) for radio
Note: Careful read the instruction manual of your
2 channel radio controller before using.
Radio must be set at neutral position
before installing in the kit.
SEQUENCE TO SET NEUTRAL
Note: The engine may not include in kit.
Glow Fuel
20%
Install AA batteries in Radio.
Extend the antenna.(Transmitter)
Install batteries into Car receiver .
After installing the battery, connect the
battery box.
Extend the antenna. (Receiver)
Set the trim-leved at center.
Turn on the switch. (Transmitter)
Turn on the switch. (Receiver)
Make sure the servos are in command.
When the operation stick is in neutral,
servo horns must be in neutral as
will.
*Adjustment can be made by re-
installing the servo horn.
Turn off the switch. (Receiver)
Turn off the switch. (Transmitter)
Retract the antenna. (Transmitter)
1111
12
13
REQUIRED FOR OPERATION
Fuel Bottle
# 10160 - large 16oz
# 10161 - large AutoStop
# 10162 - small 8oz
INCLUDED WITH KIT
Shock Oil
1.5mm Allen Wrench
2.5mm Allen Wrench
Grease Box
Phillips Type Screw Drivers ( L )
Phillips Type Screw Drivers ( S )
Needle Nose Pliers
Cutter
Curved Scissors
Knife
Super Glue
Cross Wrench
Masking Tape
Paints
Brush
Precision Caliper
SUITABLE SERVO SIZE
29mm - 42mm
15mm - 21mm
36mm-41mm
3.5 cc (21 Class) ENGINE
REAR EXHAUST
Off-Road Starter Box
# 10250 - 1/8 scale Starter Box
# 10253 - 1/8 scale Starter Box w/ Panel
Add-on
# 92571 - Power Panel Glow Heater
# 92572 - Cable for Glow Plug
PLASTIC PARTS USED
#30010
Main Gear Box #30750 - Frt & Rr Cases
#30760 - Center Case #30770 Bevel Gear
Set #30200 Center Diff Mounts #36020 Upper
Arm, frt (K)
#36780 Battery & Receiver Box
Plastic Post
Servo Mount
Radio Tray Post #36820 Chassis Stone Guards
#30270 Rear Wing Support set7
#36740 Servo Saver setr #30800 Linkage, throttle (98)
Plastic Collar
Plastic Bearing
#36700 Steering Ball Ends, 7mm
#36690 Rear Upper Arm Ball
Ends 7mm
#36030 lower arm, Front (K)
#36010 Lower arm, Rear (K) #36060 C Hubs (K) #36051 Knuckles, 8mm
(K)
«e¤WÂ\Áu
#36081 Rear Uprights
8mm (K & M) #36710 Rear Support
bracket
TOOLS NOT INCLUDED IN KIT
THINGS NEED BESIDES THE KIT
RADIO CONTROL UNIT
12V Battery for Starter Box
(must have)
Glow Plug Heat with Battery & Charger
# 10227....$$19.95
(please note OFNA Glow Heats available)
AA Batteries ( 12 pcs ) for radio
Note: Careful read the instruction manual of your
2 channel radio controller before using.
Radio must be set at neutral position
before installing in the kit.
SEQUENCE TO SET NEUTRAL
Note: The engine may not include in kit.
Glow Fuel
20%
Install AA batteries in Radio.
Extend the antenna.(Transmitter)
Install batteries into Car receiver .
After installing the battery, connect the
battery box.
Extend the antenna. (Receiver)
Set the trim-leved at center.
Turn on the switch. (Transmitter)
Turn on the switch. (Receiver)
Make sure the servos are in command.
When the operation stick is in neutral,
servo horns must be in neutral as
will.
*Adjustment can be made by re-
installing the servo horn.
Turn off the switch. (Receiver)
Turn off the switch. (Transmitter)
Retract the antenna. (Transmitter)
1111
12
13
REQUIRED FOR OPERATION
Fuel Bottle
# 10160 - large 16oz
# 10161 - large AutoStop
# 10162 - small 8oz
INCLUDED WITH KIT
Shock Oil
1.5mm Allen Wrench
2.5mm Allen Wrench
Grease Box
Phillips Type Screw Drivers ( L )
Phillips Type Screw Drivers ( S )
Needle Nose Pliers
Cutter
Curved Scissors
Knife
Super Glue
Cross Wrench
Masking Tape
Paints
Brush
Precision Caliper
SUITABLE SERVO SIZE
29mm - 42mm
15mm - 21mm
36mm-41mm
3.5 cc (21 Class) ENGINE
REAR EXHAUST
Off-Road Starter Box
# 10250 - 1/8 scale Starter Box
# 10253 - 1/8 scale Starter Box w/ Panel
Add-on
# 92571 - Power Panel Glow Heater
# 92572 - Cable for Glow Plug
PLASTIC PARTS USED
#30010
Main Gear Box #30750 - Frt & Rr Cases
#30760 - Center Case #30770 Bevel Gear
Set #30200 Center Diff Mounts #36020 Upper
Arm, frt (K)
#36780 Battery & Receiver Box
Plastic Post
Servo Mount
Radio Tray Post #36820 Chassis Stone Guards
#30270 Rear Wing Support set7
#36740 Servo Saver setr #30800 Linkage, throttle (98)
Plastic Collar
Plastic Bearing
#36700 Steering Ball Ends, 7mm
#36690 Rear Upper Arm Ball
Ends 7mm
#36030 lower arm, Front (K)
#36010 Lower arm, Rear (K) #36060 C Hubs (K) #36051 Knuckles, 8mm
(K)
«e¤WÂ\Áu
#36081 Rear Uprights
8mm (K & M) #36710 Rear Support
bracket
ASSEMBLYOF THE DIFFERENTIAL GEAR
#31322
Diff. Case ( Front/Rear )
#31323
Diff. Case (Center )
3 x 30mm
Cap Screw
#30779
O-Ring
#30779
0.5 x 26mm
O-Ring
#30779
2 x 12.8mm
Pin
#30779
2 x 12.8mm
Pin
#30771
Diff. Shaft
#30779
4 x 10mm
Washer
#30772
3.5mm
Cross Pin
#30770
Diff. Bevel Gear, Set
Grease
or
Silicone Oil
* Follow the number to tighten up
the screw.
* Tighten the Diff. Screws
to the end of the case
with 1 or 2 threads
* Position the O-ring as shown.
* Fill diff. Case with grease
during assembly.
ASSEMBLYOF THE BEVEL GEAR
#90026
5 x 5mm
Set Screw
#30120
Bevel Gear, 44T
Option:
#31010
HD Steel Bevel Gear, 44T
3mm
Tube
3mm
Tube
#30121
Mounting Hardware
3 x 5mm Screw & tube
3 x 5mm
Screw
#30082
Cap Joint, Long
( Build two differentials for front and rear. )
1
2
3
4
* Notice the diff case with the
straight holes are for front & rear.
5 x 5mm Set Screw
3 x 5mm Screw
* Push 3mm tubes into
holes of the diff. Case.
Screw
Cement
Screw
Cement
* Fill the diff. Case to approx 80% with
grease.
Building Notes:
• Set gear mesh in differential by tightening all four screws
until diff locks. Then loosen each screw ¼ turn. Diff should
still be hard to turn, but will smooth out after running.
If diff is too loose, the internal gears will quickly ware out
• When tightening the four screws, look for one thread
coming out of diff cover.
#30082
Cap Joint, Long
#30750
Diff Case, Bevel Gear
#30322
Diff Case, front / rear Complete
#90026
5 x 5mm
Set Screw
#30770
Diff. Bevel Gear, Set
#30770
Diff. Bevel Gear, Set
#30779
4 x 10mm
Washer
#30779
4 x 10mm
Washer
#30779
4 x 10mm
Washer
#30770
Diff. Bevel Gear, Set
Optional Silicone Oil:
#10231 - 1,000 wtg
#10232 - 3,000 wtg
#10233 - 5,000 wtg
#10234 - 7,000 wtg
#10235 - 10,000 wtg
#10236 - 30,000 wtg
#10237 - 50,000 wtg
#32237
O-Ring, rebuild
Shock Cylinder
( Make 2 for rear. )
( Make 2 for front.)
OIL
2. Pull down piston, attach pressure top
and shock oil overflow with tissue
paper.
SHOCK ASSEMBLY
FILLING THE SHOCKS WITH OIL
ASSEMBLYOF THE SPRING
1. Pull down piston and pour oil into
shock cylinder. Remove air bubbles
by slowly moving piston up and down.
3. Tighten up shock cap.
*Pull down.
*Move Slowly.
*Leave 3mm.
*Push Onto Shock
Cylinder Shock Shaft
Piston
* Be careful not to damage shock shaft.
Pressure Top
#32044
Shock Cap, Hard Coated
*Fit into groove.
#32203
Dust Pusher
(Yellow Rubber)
Oil Seal
* Fit into groove.
2mm
Washer
1mm
Washer
7mm
E-Ring
* E-Ring must
fit into groove as shown.
* Short shaft for front.
#32051
6mm Ball End,
Plastic parts bag
* Long shaft for rear.
2.6mm Nut
* Push 6mm ball joint
into ball end.
2.6 x 5mm
Washer
Spring Collar
Optional:
#32330
Red Spring set
#32340
Yellow Spring Set
Spring Holder
*Slide spring collar into Shock.
5mm
3mm
1mm
*Spring Tension adjust .er
¼u®
6mm
Ball Joint
#37380
* Screw down cap.
# 32033
* Assembly 4 pieces of the
shock Shaft . #32291
Front, Short(w-gt) Shaft, 3.2mm
#32236
Rear, Long Shaft, 3.2mm
E-Ring
Hard Coated Shocks:
Front Super Shock, 3.2mm
# 32290
Rear Super Shock, 3.2mm
# 32230
#32051
6mm Ball End,
Plastic parts bag
Option:
#32039
O-ring Pistons
#32204
Spring Spacer Clips Set
#32051
All Plastic shock
parts bag
#30620
7 x 19x 5mm
Ballbearings
#30620
7 x 19x 5mm
Ballbearings
ASSEMBLYOF THE DIFFERENTIAL GEAR
#31322
Diff. Case ( Front/Rear )
#31323
Diff. Case (Center )
3 x 30mm
Cap Screw
#30779
O-Ring
#30779
0.5 x 26mm
O-Ring
#30779
2 x 12.8mm
Pin
#30779
2 x 12.8mm
Pin
#30771
Diff. Shaft
#30779
4 x 10mm
Washer
#30772
3.5mm
Cross Pin
#30770
Diff. Bevel Gear, Set
Grease
or
Silicone Oil
* Follow the number to tighten up
the screw.
* Tighten the Diff. Screws
to the end of the case
with 1 or 2 threads
* Position the O-ring as shown.
* Fill diff. Case with grease
during assembly.
ASSEMBLYOF THE BEVEL GEAR
#90026
5 x 5mm
Set Screw
#30120
Bevel Gear, 44T
Option:
#31010
HD Steel Bevel Gear, 44T
3mm
Tube
3mm
Tube
#30121
Mounting Hardware
3 x 5mm Screw & tube
3 x 5mm
Screw
#30082
Cap Joint, Long
( Build two differentials for front and rear. )
1
2
3
4
* Notice the diff case with the
straight holes are for front & rear.
5 x 5mm Set Screw
3 x 5mm Screw
* Push 3mm tubes into
holes of the diff. Case.
Screw
Cement
Screw
Cement
* Fill the diff. Case to approx 80% with
grease.
Building Notes:
• Set gear mesh in differential by tightening all four screws
until diff locks. Then loosen each screw ¼ turn. Diff should
still be hard to turn, but will smooth out after running.
If diff is too loose, the internal gears will quickly ware out
• When tightening the four screws, look for one thread
coming out of diff cover.
#30082
Cap Joint, Long
#30750
Diff Case, Bevel Gear
#30322
Diff Case, front / rear Complete
#90026
5 x 5mm
Set Screw
#30770
Diff. Bevel Gear, Set
#30770
Diff. Bevel Gear, Set
#30779
4 x 10mm
Washer
#30779
4 x 10mm
Washer
#30779
4 x 10mm
Washer
#30770
Diff. Bevel Gear, Set
Optional Silicone Oil:
#10231 - 1,000 wtg
#10232 - 3,000 wtg
#10233 - 5,000 wtg
#10234 - 7,000 wtg
#10235 - 10,000 wtg
#10236 - 30,000 wtg
#10237 - 50,000 wtg
#32237
O-Ring, rebuild
Shock Cylinder
( Make 2 for rear. )
( Make 2 for front.)
OIL
2. Pull down piston, attach pressure top
and shock oil overflow with tissue
paper.
SHOCK ASSEMBLY
FILLING THE SHOCKS WITH OIL
ASSEMBLYOF THE SPRING
1. Pull down piston and pour oil into
shock cylinder. Remove air bubbles
by slowly moving piston up and down.
3. Tighten up shock cap.
*Pull down.
*Move Slowly.
*Leave 3mm.
*Push Onto Shock
Cylinder Shock Shaft
Piston
* Be careful not to damage shock shaft.
Pressure Top
#32044
Shock Cap, Hard Coated
*Fit into groove.
#32203
Dust Pusher
(Yellow Rubber)
Oil Seal
* Fit into groove.
2mm
Washer
1mm
Washer
7mm
E-Ring
* E-Ring must
fit into groove as shown.
* Short shaft for front.
#32051
6mm Ball End,
Plastic parts bag
* Long shaft for rear.
2.6mm Nut
* Push 6mm ball joint
into ball end.
2.6 x 5mm
Washer
Spring Collar
Optional:
#32330
Red Spring set
#32340
Yellow Spring Set
Spring Holder
*Slide spring collar into Shock.
5mm
3mm
1mm
*Spring Tension adjust .er
¼u®
6mm
Ball Joint
#37380
* Screw down cap.
# 32033
* Assembly 4 pieces of the
shock Shaft . #32291
Front, Short(w-gt) Shaft, 3.2mm
#32236
Rear, Long Shaft, 3.2mm
E-Ring
Hard Coated Shocks:
Front Super Shock, 3.2mm
# 32290
Rear Super Shock, 3.2mm
# 32230
#32051
6mm Ball End,
Plastic parts bag
Option:
#32039
O-ring Pistons
#32204
Spring Spacer Clips Set
#32051
All Plastic shock
parts bag
#30620
7 x 19x 5mm
Ballbearings
#30620
7 x 19x 5mm
Ballbearings
3 x 10mm
Tapping Screw
3 x 3mm
Set Screw
3 x 3mm
Set Screw
#30210
Brake Cam
#30210
Brake Cam
0.5mm
#30212
Bearing, Brake Cam
4X8mm Flanged
#30212
Bearing, Brake Cam
4X8mm Flanged
#30220
Center Plate
#30171
Brake Lever, Upper
#30171
Brake Lever, Lower
3 x 3mm Set Screw
3 x 10mm
Tapping Screw
ASSEMBLY OF THE CENTER DIFF. AND BRAKE CAM
ASSEMBLY OF THE GEAR BOX
( Assemble two gear boxes for front and rear. ) 5 x 5mm
Set Screw
#30630
6 x 13 x 5mm
Ball Bearing
#30630
6 x 13 x 5mm
Ball Bearing
* Insert two ball bearings
as shown.
#36730
Cap Joint
#30130
Bevel Gear
Screw
Cement
* Place set screw on flat
of gear shaft.
* Notice: The direction of the
brake cam.
* Leave 3mm distance between
brake cam and nut.
3mm
Screw
Cement
Screw
Cement
Adjust brake pad spacing.
TO
FRONT TO
REAR
Step 1
Step 2
You can use a shim
here if gear mesh
needs to be tighter.
#30779
Misc. Hardware
3 x 10 mm Flat Head
Screw
#31040
Steel Spur Gear
#30620
7 x 19x 5mm
Ballbearings
5 x 5mm
Set Screw
5 x 5mm
Set Screw
#30170
Brake Joint
M3
Nylon Nut
* Notice the tapered holes
are for the center diff. Only.
#30111
3 x 10mm
Flat Head Screw & Nut
#30200
Center Diff. Housing
( Rear )
5 x 5mm Set Screw
#36660
Brake Pad #36661
Brake Pad
Packing
* Apply instant cement to glue brake pad and packing.
#36650
Brake Disk, Stainless 3 x 20mm
Screw
Installing Quad Brakes, requires
an 3x20mm screws
3 x 20mm Screw
Screw
Cement
Screw
Cement
ASSEMBLY OF THE SPUR GEAR
ASSEMBLY OF THE CENTER DIFF. MOUNT
U.S. Revision has Quad Brakes
#30111
3 x 10mm
Flat Head Screw & Nut
#30760
Diff Case, Center
#31323
Diff Unit, Center, Complete
#30170
Brake Joint
#30200
Center Diff. Housing
( Rear )
#30620
7 x 19x 5mm
Ballbearings
#36650
Brake Disk, Stainless
Quad Brakes
GEAR
GREASE
3 x 10mm
Tapping Screw
3 x 3mm
Set Screw
3 x 3mm
Set Screw
#30210
Brake Cam
#30210
Brake Cam
0.5mm
#30212
Bearing, Brake Cam
4X8mm Flanged
#30212
Bearing, Brake Cam
4X8mm Flanged
#30220
Center Plate
#30171
Brake Lever, Upper
#30171
Brake Lever, Lower
3 x 3mm Set Screw
3 x 10mm
Tapping Screw
ASSEMBLY OF THE CENTER DIFF. AND BRAKE CAM
ASSEMBLY OF THE GEAR BOX
( Assemble two gear boxes for front and rear. ) 5 x 5mm
Set Screw
#30630
6 x 13 x 5mm
Ball Bearing
#30630
6 x 13 x 5mm
Ball Bearing
* Insert two ball bearings
as shown.
#36730
Cap Joint
#30130
Bevel Gear
Screw
Cement
* Place set screw on flat
of gear shaft.
* Notice: The direction of the
brake cam.
* Leave 3mm distance between
brake cam and nut.
3mm
Screw
Cement
Screw
Cement
Adjust brake pad spacing.
TO
FRONT TO
REAR
Step 1
Step 2
You can use a shim
here if gear mesh
needs to be tighter.
#30779
Misc. Hardware
3 x 10 mm Flat Head
Screw
#31040
Steel Spur Gear
#30620
7 x 19x 5mm
Ballbearings
5 x 5mm
Set Screw
5 x 5mm
Set Screw
#30170
Brake Joint
M3
Nylon Nut
* Notice the tapered holes
are for the center diff. Only.
#30111
3 x 10mm
Flat Head Screw & Nut
#30200
Center Diff. Housing
( Rear )
5 x 5mm Set Screw
#36660
Brake Pad #36661
Brake Pad
Packing
* Apply instant cement to glue brake pad and packing.
#36650
Brake Disk, Stainless 3 x 20mm
Screw
Installing Quad Brakes, requires
an 3x20mm screws
3 x 20mm Screw
Screw
Cement
Screw
Cement
ASSEMBLY OF THE SPUR GEAR
ASSEMBLY OF THE CENTER DIFF. MOUNT
U.S. Revision has Quad Brakes
#30111
3 x 10mm
Flat Head Screw & Nut
#30760
Diff Case, Center
#31323
Diff Unit, Center, Complete
#30170
Brake Joint
#30200
Center Diff. Housing
( Rear )
#30620
7 x 19x 5mm
Ballbearings
#36650
Brake Disk, Stainless
Quad Brakes
GEAR
GREASE
ASSEMBLY OF PIVOT BALL TYPE (M STYLE) SUSPENSION
Assembly of the right and left hand side
are the same.
Step 1
#36901
Ball Type
Knuckle Arm
( Right and Left )
R
* Use 5mm
hex wrench.
#36903
13.8mm
Steering Ball
#36905
Steering Ball
Washer
#36904
14mm
Alum. Nut
R
#36053
8x16mm
Ball Bearing
#36053
8x16mm
Ball Bearing
#36052
CVA,
Constant Velocity Axle, 8mm
* Adjusr alum. Nut to
keep steering ball
smoot.
* Note the "R" mark
are for rightside.
#36903
13.8mm Steering Ball x 4 #36904
14mm Alum. Nut x 4 #36905
Plastic Washer & ArmAdjusters
#36901
Ball Type KnuckleArm
( Right ) ( Left ) #36900
Front Upper Arm
#36890
Front Lower Arm #36902
Rear Lower Arm
ASSEMBLY OF THE FRONT
SUSPENSION ARMS, M STYLE
#30010
Main Gear Box
#30010
Main Gear Box
4 x 20mm
Flat Head
Tapping Screw
#36620
Front Shock Tower
#30340
Anti-roll Bar Kit
* Insert front stabilizer before
assembly shock tower.
4 x 10mm
Tapping Screw
#36670
Alum. Blue Front
Upper Arm Holder
3 x 20mm Flat Head
Tapping Screw
4 x 10mm
Tapping Screw
ASSEMBLY OF THE FRONT SHOCK TOWER
* Make two gear boxes for front and
rear.
GEAR
GREASE
ASSEMBLY OF PIVOT BALL TYPE (M STYLE) SUSPENSION
Assembly of the right and left hand side
are the same.
Step 1
#36901
Ball Type
Knuckle Arm
( Right and Left )
R
* Use 5mm
hex wrench.
#36903
13.8mm
Steering Ball
#36905
Steering Ball
Washer
#36904
14mm
Alum. Nut
R
#36053
8x16mm
Ball Bearing
#36053
8x16mm
Ball Bearing
#36052
CVA,
Constant Velocity Axle, 8mm
* Adjusr alum. Nut to
keep steering ball
smoot.
* Note the "R" mark
are for rightside.
#36903
13.8mm Steering Ball x 4 #36904
14mm Alum. Nut x 4 #36905
Plastic Washer & ArmAdjusters
#36901
Ball Type KnuckleArm
( Right ) ( Left ) #36900
Front Upper Arm
#36890
Front Lower Arm #36902
Rear Lower Arm
ASSEMBLY OF THE FRONT
SUSPENSION ARMS, M STYLE
#30010
Main Gear Box
#30010
Main Gear Box
4 x 20mm
Flat Head
Tapping Screw
#36620
Front Shock Tower
#30340
Anti-roll Bar Kit
* Insert front stabilizer before
assembly shock tower.
4 x 10mm
Tapping Screw
#36670
Alum. Blue Front
Upper Arm Holder
3 x 20mm Flat Head
Tapping Screw
4 x 10mm
Tapping Screw
ASSEMBLY OF THE FRONT SHOCK TOWER
* Make two gear boxes for front and
rear.
GEAR
GREASE
ASSEMBLY OF THE FRONT SUSPENSION ARMS, M STYLE
ASSEMBLY OF THE REAR SUSPENSION ARMS, M STYLE
#30411
6mm
Ball Joint
#30402
3 X 30mm
Tie Rod
#30401
6mm
Stabilizer
Ball End
#30401
6mm
Stabilizer
Ball End #36905
Arm Adjusters
0 10 20 30 40 50
mm
18mm
3 x 15mm Screw
3 x 15mm
Screw
Assembly of the right and left hand side
are the same.
Step 5
* Cut the sharded area
as shown.
Assembly of the right and left hand side
are the same.
Step 4
#36640
Upper arm Shaft
3 x 3mm
Set Screw
#30340
6mm
Stabilizer
Ball End
3mm
E-Ring
3mm
E-Ring
#30102
Front Body
Post
3x8mm
Tapping Screw
00
11
RR
3 x 8mm
Tapping Screw
3 x 3mm Set Screw
3 mm E-Ring
00
11
RR
* Insert stabilizer rod
through upper arm.
1mm
2mm
3mm
* Follow the main instruction manual to assembly the rear lower arm M parts instead of K parts.
* Change the position of the adjuster
to will change the caster angle.
* Insert caster angle adjuster onto the
upper arm shaft.
4 x 10mm
Tapping Screw
Assembly of the right and left hand side
are the same.
Step 3
#36630
Lower Arm Shaft
3mm
E-Ring
4 x 10mm
Tapping Screw
#36720
Lower Arm
Stiffener
(Alum.)
3mm
E-Ring
0
1
RR
* Insert drive shaft
before assembly.
3 mm E-Ring
Assembly of the right and left hand side
are the same.
4 x 10 mm
Set Screw
5 x 5mm
Set Screw
5 x 5mm
Set Screw
* A 4 x 10mm set screw is used
to adjust the ride height.
* Approx 3mm.
R
#36055
2.5 x 17mm
Pin
#36054
Wheel Hub
( Alum. ) * Use 2.5mm
Hex Wrench.
#36870
4x10mm
Set Screw
* Do not over tighten
5x5mm set screw.
Step 2
#36890
Front
Lower Arm
RR
5x5mm
Set Screw
#36900
Front
Upper Arm
3mm
3mm
ASSEMBLY OF THE FRONT SUSPENSION ARMS, M STYLE
ASSEMBLYOF THE FRONT
SUSPENSION ARMS, M STYLE
ASSEMBLY OF THE FRONT SUSPENSION ARMS, M STYLE
ASSEMBLY OF THE REAR SUSPENSION ARMS, M STYLE
#30411
6mm
Ball Joint
#30402
3 X 30mm
Tie Rod
#30401
6mm
Stabilizer
Ball End
#30401
6mm
Stabilizer
Ball End #36905
Arm Adjusters
0 10 20 30 40 50
mm
18mm
3 x 15mm Screw
3 x 15mm
Screw
Assembly of the right and left hand side
are the same.
Step 5
* Cut the sharded area
as shown.
Assembly of the right and left hand side
are the same.
Step 4
#36640
Upper arm Shaft
3 x 3mm
Set Screw
#30340
6mm
Stabilizer
Ball End
3mm
E-Ring
3mm
E-Ring
#30102
Front Body
Post
3x8mm
Tapping Screw
00
11
RR
3 x 8mm
Tapping Screw
3 x 3mm Set Screw
3 mm E-Ring
00
11
RR
* Insert stabilizer rod
through upper arm.
1mm
2mm
3mm
* Follow the main instruction manual to assembly the rear lower arm M parts instead of K parts.
* Change the position of the adjuster
to will change the caster angle.
* Insert caster angle adjuster onto the
upper arm shaft.
4 x 10mm
Tapping Screw
Assembly of the right and left hand side
are the same.
Step 3
#36630
Lower Arm Shaft
3mm
E-Ring
4 x 10mm
Tapping Screw
#36720
Lower Arm
Stiffener
(Alum.)
3mm
E-Ring
0
1
RR
* Insert drive shaft
before assembly.
3 mm E-Ring
Assembly of the right and left hand side
are the same.
4 x 10 mm
Set Screw
5 x 5mm
Set Screw
5 x 5mm
Set Screw
* A 4 x 10mm set screw is used
to adjust the ride height.
* Approx 3mm.
R
#36055
2.5 x 17mm
Pin
#36054
Wheel Hub
( Alum. ) * Use 2.5mm
Hex Wrench.
#36870
4x10mm
Set Screw
* Do not over tighten
5x5mm set screw.
Step 2
#36890
Front
Lower Arm
RR
5x5mm
Set Screw
#36900
Front
Upper Arm
3mm
3mm
ASSEMBLY OF THE FRONT SUSPENSION ARMS, M STYLE
ASSEMBLYOF THE FRONT
SUSPENSION ARMS, M STYLE
Assembly of the right and left hand side
are the same.
00
11
RR
#36640
Upper arm Shaft
#90021
3mm E-Ring
#90021
3mm E-Ring
#90021
3mm E-Ring
3mm
Nylon Nut
#36055
2.5 x 17mm
Pin
#36054
17mm Wheel Hub
( Alum. ) 8mm Axle
3 x 3mm
Set Screw
#30340
6mm
Stabilizer
Ball End
Assembly of the right and left hand side
are the same.
ASSEMBLY OF THE FRONT LOWER ARMS
ONTO THE GEAR BOX, K STLYLE
4 x 10mm
Tapping Screw
0
1
RR
* Insert drive shaft
before assembly. #36630
Lower Arms Shaft
4 x 10mm
Tapping Screw
#36720
Lower Arms
Stiffener
(Alum.)
3mm
E-Ring
A-34B
3 x 25mm
Cap Screw
#30102
Front Body Post
* Cut the sharded area
as shown.
3x8mm
Tapping Screw
3 x 8mm
Tapping Screw
RR
RR
ASSEMBLY OF THE FRONT KNUCKLE ARM AND
FRONT UNIVERSAL JOINT, K STYLE
4 X 10mm
Set Screw
* A 4 x 10mm set screw is used
to adjust the ride height.
#36120
Knuckle arm
Bushing & screw
#36120
Knuckle arm
Bushing & screw
#36052
CVA, Constant VelocityAxle
8mm
#36053
Bearing
8 x 16 x 5
#36053
Bearing
8 x 16 x 5
#36051
Front, Knuckle Arms
(R/L) 8mm
#36060
Front C Hub
(Right)
#36870
4 x 10mm
Cap Screw
#36010
Front Lower Arm
#36870
4 x 10mm
Cap Screw
2.5mm
E-Ring
2.5mm
E-Ring
#36170
3mm
Rear Arm Shaft
ASSEMBLY OF THE FRONT SUSPENSION ARMS, K STYLE
Assembly of the right and left hand side
are the same.
Assembly of the right and left hand side
are the same.
3 x 20mm
Flat Head
Tapping Screw
#30160
Front Lower
Arm Holder
4 x 15mm
Tapping Screw
0
1
ASSEMBLY OF THE FRONT SUSPENSION ARMS, K STYLE
* Builds two front upper arms for left
and right-side. .
#36020
Front, Upper Arms
#36690
Plastic, Arm Ball End
#36860
5x40mm
Turnbuckle
#36850
7mm Ball
0 10 20 30 40 50
mm
* Anticlockwise mark.
13mm
0.5MM
* If too tight, cut or sand to fit
the shaded area as shown.
* Insert knuckle arm bushing
before assembly knuckle.
* Approx 3mm.
Assembly of the right and left hand side
are the same.
00
11
RR
#36640
Upper arm Shaft
#90021
3mm E-Ring
#90021
3mm E-Ring
#90021
3mm E-Ring
3mm
Nylon Nut
#36055
2.5 x 17mm
Pin
#36054
17mm Wheel Hub
( Alum. ) 8mm Axle
3 x 3mm
Set Screw
#30340
6mm
Stabilizer
Ball End
Assembly of the right and left hand side
are the same.
ASSEMBLY OF THE FRONT LOWER ARMS
ONTO THE GEAR BOX, K STLYLE
4 x 10mm
Tapping Screw
0
1
RR
* Insert drive shaft
before assembly. #36630
Lower Arms Shaft
4 x 10mm
Tapping Screw
#36720
Lower Arms
Stiffener
(Alum.)
3mm
E-Ring
A-34B
3 x 25mm
Cap Screw
#30102
Front Body Post
* Cut the sharded area
as shown.
3x8mm
Tapping Screw
3 x 8mm
Tapping Screw
RR
RR
ASSEMBLY OF THE FRONT KNUCKLE ARM AND
FRONT UNIVERSAL JOINT, K STYLE
4 X 10mm
Set Screw
* A 4 x 10mm set screw is used
to adjust the ride height.
#36120
Knuckle arm
Bushing & screw
#36120
Knuckle arm
Bushing & screw
#36052
CVA, Constant VelocityAxle
8mm
#36053
Bearing
8 x 16 x 5
#36053
Bearing
8 x 16 x 5
#36051
Front, Knuckle Arms
(R/L) 8mm
#36060
Front C Hub
(Right)
#36870
4 x 10mm
Cap Screw
#36010
Front Lower Arm
#36870
4 x 10mm
Cap Screw
2.5mm
E-Ring
2.5mm
E-Ring
#36170
3mm
Rear Arm Shaft
ASSEMBLY OF THE FRONT SUSPENSION ARMS, K STYLE
Assembly of the right and left hand side
are the same.
Assembly of the right and left hand side
are the same.
3 x 20mm
Flat Head
Tapping Screw
#30160
Front Lower
Arm Holder
4 x 15mm
Tapping Screw
0
1
ASSEMBLY OF THE FRONT SUSPENSION ARMS, K STYLE
* Builds two front upper arms for left
and right-side. .
#36020
Front, Upper Arms
#36690
Plastic, Arm Ball End
#36860
5x40mm
Turnbuckle
#36850
7mm Ball
0 10 20 30 40 50
mm
* Anticlockwise mark.
13mm
0.5MM
* If too tight, cut or sand to fit
the shaded area as shown.
* Insert knuckle arm bushing
before assembly knuckle.
* Approx 3mm.
Assembly of the right and left hand side
are the same.
Assembly of the right and left hand side
are the same.
#36870
4 X 10mm
Set Screw
* A 4 x 10mm set screw is used
to adjust the ride height.
#36720
Lower Arm
Stiffener
(Alum.)
3mm
E-Ring
3mm
E-Ring
3mm
E-Ring
#36630
Arm Shaft
#36030
Rear Lower
Arms, K Style
#36902
Rear Lower
Arms, M Style
* Don't over tighten tapping screw,
will cause bending.
#36810
Rear Shock
Tower
#30340
Anti-roll Bar Kitr
* Insert stabilizer before
assembly of the shock stay.
ASSEMBLY OF THE REAR SHOCK TOWER
ASSEMBLY OF THE REAR ARMS, K & M STYLE 4x16mm
Flat Head
Tapping Screw
3 x 20mm
Flat Head
Screw
#36090
Rear Arm
Holder & Toe-in
#36090
Rear Wheel Toe-in
Adjuster
1
Degree 1.5
Degree
* Set triangle marks in
the direction shown
in Fig.1.
* Approx 3mm.
Fig.1
Toe-in Settings
ASSEMBLY OF THE
STABILIZER ROD
00
11
RR
#30402
3 X 30mm
Tie Rod
#30401
6mm Plastic
Stabilizer
Ball End
#30401
6mm Plastic
Stabilizer
Ball End
3 x 15mm
Screw
ASSEMBLY OF THE SHOCKS ONTO
THE SHOCK TOWER
00
11
RR
#30411
6mm
Ball Joint
#30411
6mm
Ball Joint
3mm
Nylon Locknut
* Insert shocks ball end
into arms.
Assembly of the right and left hand side
are the same.
Assembly of the right and left hand side
are the same.
3 x 15mm
Screw
3 x 25mm
Cap Screw
3 x 15mm Screw
3 x 25mm
Cap Screw #36610
Spacer, Shock Support
* Insert into arms.
0 10 20 30 40 50
mm
14mm
Screw
Cement
3 x 8mm
Washer
3 x 15mm Screw
M3 Nylon Locknut
3 X 8mm Washer
* Cut the shaded area as shown
Assembly of the right and left hand side
are the same.
Assembly of the right and left hand side
are the same.
#36870
4 X 10mm
Set Screw
* A 4 x 10mm set screw is used
to adjust the ride height.
#36720
Lower Arm
Stiffener
(Alum.)
3mm
E-Ring
3mm
E-Ring
3mm
E-Ring
#36630
Arm Shaft
#36030
Rear Lower
Arms, K Style
#36902
Rear Lower
Arms, M Style
* Don't over tighten tapping screw,
will cause bending.
#36810
Rear Shock
Tower
#30340
Anti-roll Bar Kitr
* Insert stabilizer before
assembly of the shock stay.
ASSEMBLY OF THE REAR SHOCK TOWER
ASSEMBLY OF THE REAR ARMS, K & M STYLE 4x16mm
Flat Head
Tapping Screw
3 x 20mm
Flat Head
Screw
#36090
Rear Arm
Holder & Toe-in
#36090
Rear Wheel Toe-in
Adjuster
1
Degree 1.5
Degree
* Set triangle marks in
the direction shown
in Fig.1.
* Approx 3mm.
Fig.1
Toe-in Settings
ASSEMBLY OF THE
STABILIZER ROD
00
11
RR
#30402
3 X 30mm
Tie Rod
#30401
6mm Plastic
Stabilizer
Ball End
#30401
6mm Plastic
Stabilizer
Ball End
3 x 15mm
Screw
ASSEMBLY OF THE SHOCKS ONTO
THE SHOCK TOWER
00
11
RR
#30411
6mm
Ball Joint
#30411
6mm
Ball Joint
3mm
Nylon Locknut
* Insert shocks ball end
into arms.
Assembly of the right and left hand side
are the same.
Assembly of the right and left hand side
are the same.
3 x 15mm
Screw
3 x 25mm
Cap Screw
3 x 15mm Screw
3 x 25mm
Cap Screw #36610
Spacer, Shock Support
* Insert into arms.
0 10 20 30 40 50
mm
14mm
Screw
Cement
3 x 8mm
Washer
3 x 15mm Screw
M3 Nylon Locknut
3 X 8mm Washer
* Cut the shaded area as shown
3mm
Nylon Locknut
3 x 25mm
Cap Screw
* Insert into rear hub.
3 x 25mm
Cap Screw
G-01
Shock Support
ASSEMBLY OF THE STABILIZER ROD
ASSEMBLY OF THE REAR UPPER ARM ROD Assembly of the right and left hand side
are the same.
3 x 15mm Screw
3 x 25mm
Cap Screw
3 X 25mm Cap Screw
#30402
3 X 30mm
Tie Rod
#30411
6mm
Ball Joint
#30401
6mm
Stabilizer
Ball End
#30401
6mm
Stabilizer
Ball End
3 x 15mm
Screw
3 x 3mm
Set Screw #30340
6mm
Stabilizer
Ball End
Assembly of the right and left hand side
are the same.
0 10 20 30 40 50
mm
15mm
3 x 15mm
Screw
M3
Nylon Locknut
M3 Nylon Locknut
Assembly of the right and left hand side
are the same.
Assembly of the right and left hand side
are the same.
ASSEMBLY OF THE REAR HUB, K & M STYLE
#36053
8 x 16 x 5
Ball Bearings
#36053
8 x 16 x 5
Ball Bearings
#36082
Rear Wheel
8mm Axle Shaft
#36055
2.5 x 17mm
Pin
#36054
Wheel Hub
( Alum. )
#36054
Rear Hub
K or M Style
* Builds two upper Rods for left
and right-side.
#36690
Arm Ball End
#36690
Arm Ball End
#36880
5x60mm
Turnbuckle
#36850
7mm Ball
0 10 20 30 40 50
mm
* Anticlockwise mark.
40mm
ASSEMBLY OF THE REAR HUBS ONTO
THE REAR ARMS, K & M STYLE
2.5mm
E-Ring
2.5mm
E-Ring
#36170
3mm
Rear Arm Shaft
5x5mm
Set Screw
* Insert rear drive shaft
befor assembly.
#36110
Rear Drive
Shaft
* Do not overtightened
set screw.
3mm
Nylon Locknut
3 x 25mm
Cap Screw
* Insert into rear hub.
3 x 25mm
Cap Screw
G-01
Shock Support
ASSEMBLY OF THE STABILIZER ROD
ASSEMBLY OF THE REAR UPPER ARM ROD Assembly of the right and left hand side
are the same.
3 x 15mm Screw
3 x 25mm
Cap Screw
3 X 25mm Cap Screw
#30402
3 X 30mm
Tie Rod
#30411
6mm
Ball Joint
#30401
6mm
Stabilizer
Ball End
#30401
6mm
Stabilizer
Ball End
3 x 15mm
Screw
3 x 3mm
Set Screw #30340
6mm
Stabilizer
Ball End
Assembly of the right and left hand side
are the same.
0 10 20 30 40 50
mm
15mm
3 x 15mm
Screw
M3
Nylon Locknut
M3 Nylon Locknut
Assembly of the right and left hand side
are the same.
Assembly of the right and left hand side
are the same.
ASSEMBLY OF THE REAR HUB, K & M STYLE
#36053
8 x 16 x 5
Ball Bearings
#36053
8 x 16 x 5
Ball Bearings
#36082
Rear Wheel
8mm Axle Shaft
#36055
2.5 x 17mm
Pin
#36054
Wheel Hub
( Alum. )
#36054
Rear Hub
K or M Style
* Builds two upper Rods for left
and right-side.
#36690
Arm Ball End
#36690
Arm Ball End
#36880
5x60mm
Turnbuckle
#36850
7mm Ball
0 10 20 30 40 50
mm
* Anticlockwise mark.
40mm
ASSEMBLY OF THE REAR HUBS ONTO
THE REAR ARMS, K & M STYLE
2.5mm
E-Ring
2.5mm
E-Ring
#36170
3mm
Rear Arm Shaft
5x5mm
Set Screw
* Insert rear drive shaft
befor assembly.
#36110
Rear Drive
Shaft
* Do not overtightened
set screw.
ASSEMBLY OF THE WING STAY ONTO THE SHOCK TOWER
3 x 25mm
Cap Screw
3mm
Nylon Locknut
4 x 15mm
Tapping Screw
3 X 25mm Cap Screw
4 x 15mm Tapping Screw
M3 Nylon Locknut
ASSEMBLY OF THE SERVO SAVER
#36743
6mm
E-Ring
#36743
6mm
E-Ring
#36743
6mm
E-Ring
#36743
6mm
E-Ring
#36740
Servo Saver Kit
#36740
Servo Saver Kit
#36740
Servo Saver Kit
#36740
Servo Saver Kit
#36740
Servo Saver Kit
#36741
Servo Saver
Spring
#36744
Saver Saver
Post
#36744
Saver Saver
Post
Plastic Tube
3 x 15mm
Screw
#36742
Servo Saver
Bushing
#36750
Servo Saver
Connector
3mm
Nylon Nut
3mm
Nylon Nut
6 mm E-Ring
M3 Nylon Locknut
3 x 15mm Screw
Wing Stay
Assembly
* Insert 3mm nylon locknut
into win stay.
Screw
Cement
#30411
6mm
Ball Joint
#36610
Spacer, Shock Support
* Insert shock ball end
into arm.
3 x 15mm
Screw
Assembly of the right and left hand side
are the same.
ASSEMBLY OF THE REAR SHOCKS ONTO
THE SHOCK TOWER
ASSEMBLY OF THE WING STAY
3 x25mm
Tapping Screw
3 x25mm
Tapping Screw
3 x 20mm
Tapping screw
3 x 20mm
Tapping screw
#30270
Wing Stay
( Right )
#30270
Wing Stay
(Left)
#30370
Wing Stay
#30370
Wing Stay
Plastic Post
3 x 25mm
Tapping Screw
3 x 20mm
Tapping Screw
3 x 15mm Screw
3mm Nylon Locknut
3 X 8mm Washer
3mm
Nylon Locknut
3 x 8mm
Washer
ASSEMBLY OF THE WING STAY ONTO THE SHOCK TOWER
3 x 25mm
Cap Screw
3mm
Nylon Locknut
4 x 15mm
Tapping Screw
3 X 25mm Cap Screw
4 x 15mm Tapping Screw
M3 Nylon Locknut
ASSEMBLY OF THE SERVO SAVER
#36743
6mm
E-Ring
#36743
6mm
E-Ring
#36743
6mm
E-Ring
#36743
6mm
E-Ring
#36740
Servo Saver Kit
#36740
Servo Saver Kit
#36740
Servo Saver Kit
#36740
Servo Saver Kit
#36740
Servo Saver Kit
#36741
Servo Saver
Spring
#36744
Saver Saver
Post
#36744
Saver Saver
Post
Plastic Tube
3 x 15mm
Screw
#36742
Servo Saver
Bushing
#36750
Servo Saver
Connector
3mm
Nylon Nut
3mm
Nylon Nut
6 mm E-Ring
M3 Nylon Locknut
3 x 15mm Screw
Wing Stay
Assembly
* Insert 3mm nylon locknut
into win stay.
Screw
Cement
#30411
6mm
Ball Joint
#36610
Spacer, Shock Support
* Insert shock ball end
into arm.
3 x 15mm
Screw
Assembly of the right and left hand side
are the same.
ASSEMBLY OF THE REAR SHOCKS ONTO
THE SHOCK TOWER
ASSEMBLY OF THE WING STAY
3 x25mm
Tapping Screw
3 x25mm
Tapping Screw
3 x 20mm
Tapping screw
3 x 20mm
Tapping screw
#30270
Wing Stay
( Right )
#30270
Wing Stay
(Left)
#30370
Wing Stay
#30370
Wing Stay
Plastic Post
3 x 25mm
Tapping Screw
3 x 20mm
Tapping Screw
3 x 15mm Screw
3mm Nylon Locknut
3 X 8mm Washer
3mm
Nylon Locknut
3 x 8mm
Washer
Screw
Cement
Screw
Cement
00
11
RR
3 x 10mm
Tapping Screw
3 x 10mm
Tapping Screw
3 x 15mm Flat Head
Screw
3 x 15mm
Flat Head
Screw
3 x 15mm
Flat Head
Screw
ASSEMBLY OF THE FRONT PLATE
ONTO THE FRONT GEAR BOX
00
11
RR
* Insert the front bumper
before assembly.
#30240
Front Bumper
#36840
Chassis, Hard Coated
4 x 16mm
Flat Head
Tapping Screw
4 x 16mm
Flat Head
Tapping Screw
3 x 10mm
Flat Head
Screw
ASSEMBLY OF THE FRONT GEAR BOX ONTO CHASSIS
3 x 10 mm
Flat Head
Screw
4 x 16mm
Flat Head
Tapping Screw * A 3 x 10mm
flat head screw are for servo post.
Knuckle arm of the
left-side.
ASSEMBLY OF THE FRONT PLATE
3 X 10mm
Screw
#36760
Front Plate
#30380
Servo Saver
Axle Posts
0 10 20 30 40 50
mm
* Made two steering rods for left and right-side.
* Anticlockwise mark.
3 x 20mm
Flat Head Screw
3 x 20mm Flat Head
Screw
3 x 15mm Screw
3 x 25mm Screw
3mm Flange Nut
( Steel )
#36700
Steering
Ball End
#36700
Steering
Ball End
#36700
Steering
Ball End
#36700
Steering
Ball End
#36850
7mm Ball
#36850
7mm Ball
#36790
4 x 46mm
Turnbuckle
Screw
Cement
3 x 25mm
Screw
3mm
Flange Nut
* Anticlockwise mark.
#36790
4 x 46mm
Turnbuckle
#36680
7mm
Ball & Socket
Support #36680
7mm
Ball & Socket
Support
* ASSEMBLYOF THE FRONT TORQUE ROD
33mm
31mm
This manual suits for next models
1
Table of contents
Other Ofna Racing Motorized Toy Car manuals
Ofna Racing
Ofna Racing Nexx 10SC User manual
Ofna Racing
Ofna Racing DM-ONE-SPEC e User manual
Ofna Racing
Ofna Racing 1/8 SCALE OFF-ROAD BUGGY User manual
Ofna Racing
Ofna Racing LD3 User manual
Ofna Racing
Ofna Racing HYPER SSE User manual
Ofna Racing
Ofna Racing titan twin User manual
Ofna Racing
Ofna Racing Nitro Z10 User manual
Ofna Racing
Ofna Racing Hyper GPX4 User manual
Ofna Racing
Ofna Racing RAVANGER 4.6 Instruction sheet
Ofna Racing
Ofna Racing X3 Sabre User manual
Ofna Racing
Ofna Racing NEXX 8 T User manual
Ofna Racing
Ofna Racing PICCO OFF ROAD Assembly instructions
Ofna Racing
Ofna Racing ULTRA GT LX User manual
Ofna Racing
Ofna Racing CD-3 SPORT RTR User manual
Ofna Racing
Ofna Racing DM-ONE PRO TOURING X-SIZE NITRO SEDAN User manual
Ofna Racing
Ofna Racing DM-ONE PRO TOURING RTR X-SIZE NITRO SEDAN User manual
Ofna Racing
Ofna Racing JAMMIN X1-CRT User manual
Ofna Racing
Ofna Racing HYPER10-TT User manual
Ofna Racing
Ofna Racing Hyper H4 User manual
Ofna Racing
Ofna Racing DIRT OVAL User manual
Popular Motorized Toy Car manuals by other brands
Jamara
Jamara 404775 Instruction
Traxxas
Traxxas TRX4 Scale and Trail Crawler 82046-4 owner's manual
Reely
Reely XS Truggy Core Z 4WD RtR operating instructions
Team Magic
Team Magic 507007 Instruction & setup manual
REVELL
REVELL '70 Ford Torino Cobra Assembly manual
Traxxas
Traxxas UNLIMITED DESERT RACER 85086-4 owner's manual
