OFNA Racing Jammin X1 CRT PRO User Manual
THINGS NEED BESIDES THE KIT
3.5 cc (21 Class) ENGINE
REAR EXHAUST
OFNA/Picco
P-7R
#51218
REQUIRED FOR OPERATION
Glow Fuel
20%
Bottle’s with spout
# 10160 - large 500cc
# 10161 - large 500 ccAuto Stop
# 10162 - small 250cc
# 10164 - CNC spout 500CC
# 10167 - CNC spout 800CC
Glow Plug Long Heat with Battery & Charger
# 10215....$27.95
(please note OFNA Glow Heats available)
Note: Pro kit does not include engine!
RADIO CONTROL UNIT
Note: Carefully read the instruction manual of your
2 channel radio controller before using.
SUITABLE SERVO SIZE
m36
1 m
mm-4
15mm - 21mm
29mm - 42mm
Off-Road Starter Box, 12V motor
# 10250 - 1/8 scale Starter Box
# 10253 - 1/8 scale Starter Box w/ Panel
Off-Road Starter Box, two 550 motors
# 10248 - 1/8 scale Starter Box
# 10249 - 1/8 scale Starter Box,RTR
Optional Parts
# 92571 - Power Panel Glow Heater
# 92572 - Cable for Glow Plug
Radio must be set at neutral position
before installing in the kit.
SEQUENCE TO SET NEUTRAL
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-lever 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)
1111
Turn off the switch. (Transmitter)
12
Retract the antenna. (Transmitter)
13
12V Battery for Starter Box
(must have)
AA Batteries ( 12 pcs ) for radio
More Optional Parts . . .
#10211 NiHm Battery Flat
Pack .. $29.95
# 10214 NiHm Battery Pack
Charger.. $7.95
# 51007 OFNA/Picoo Glow
Plug .. $4.95
TOOLS NOT INCLUDED IN KIT
Phillips Type Screw Drivers ( L )
Phillips Type Screw Drivers ( S )
Needle Nose Pliers
Knife
Cutter
Curved Scissors
Precision Caliper
Brush
Cross Wrench
Instant Cemment
Masking Tape
Paints
INCLUDED WITH KIT
Diff. Oil
Shock Oil
1000 3000 5000
1.5mm Allen Wrench
2mm Allen Wrench
2.5mm Allen Wrench
4mm'5mm Allen Wrench
PLASTIC PARTS TO USE WITH TRUGGY
40538
DIFF. CASE
40668
FRONT AND REAR LOWER ARM
40667
FRONT UPPER ARM
40536
FRONT C HUB
30802
Throttle Linkage Plastic
40533
FRONT AND REAR GEAR BOX
40040
CENTER DIFF. MOUNT PLASTIC PARTS
40669
BUMPER
40534
ARM HOLDER
PLASTIC PARTS TO USE WITH TRUGGY
40676
BODY POST & SERVO MOUNT
40540
REAR UPPER RIGHT/FRONT BUMPER
40542
WING STAY
34026
SERVO FIXING
40539
SERVO SAVER
40541
RECEIVER BOX
READ THIS BEFORE RUNNING
Running a nitro kit is fun and easy, but to make this a safe • Clear oil and dirt from chassis with a electronic safe
and good experience you must observe a few rules. This degreaser.
kit is extremely fast, easily over 40MPH, and can seriously
injure someone if you are not careful.
Where to run car?
• Any running area you choose must be dry. Do not run
car near any water or wet dirt.
• Do not run on public streets. It is very easy to have the
car run over or damaged by hitting the curb.
• Do not operate car in tight confined places. The car is
very fast and will easily hit something.
• Do not run near people or animals.
and will easily hit someone.
• Due to noise, you will want to consider the surrounding
area when operating the car.
• Do not operate the car at night. You will not be able to
drive it without hitting something.
• Do not operate the car indoors. Engine exhaust is not
healthy.
Glow Fuel flammable and poisonous.
• Glow fuel is poisonous!
• Glow fuel is flammable! Store fuel in cool ventilated location. Refer the glow fuel
• Do not leave in fuel bottle with lid off at any time.
• Don't use any fuel other than glow fuel in this engine.
• Don't use Gasoline as fuel in glow engines!
First Time Starting the Engine
Caution! When starting engine make sure the following is
observed.
• Oil the air filter FOAM Element! OFNA #10015.. $2.95
• Do not do this alone, get an experienced friend to help at
first.
• 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 first
starts
• Turn on 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.
The car is very fast
Precautions
• 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 batteries life before running the car. If
radio does not have full control of the car with steering
and/ throttle/ or brake do not run until corrected. Failure to
correct this will result in possible injury and damage to the
car or property.
• Glow fuel - Don’t leave the glow fuel unattended with the
lid off. Fuel contains Methanol and Nitro Methane and is
label for additional precautions.
• Car Fuel tank - Never store fuel in car tank, it will ruin the
engine if left in tank.
Engine Break-in
• Read Manufacturer instructions.
Emergency Stopping Engine When Running
• Remove air filter and cover carb. intake.
• Squeeze fuel line and hold until engine stops.
• With a rag, cover exhaust outlet.
Storing Car After Running
• Remove fuel from tank and fuel lines
• Turn off radio in car
• Put a few drops of after run in engine to keep it from
rusting.
ASSEMBLY OF THE FRONT AND REAR DIFF.
1
*Builds two differentials for front and rear.
Step 1
40514
Cap Joint
40010
2.5x13.8mm Pin
40009
4x4mmSet Screw
40009
P6 O-Ring
36053
8x16mm Ball bearing
ASSEMBLY OF THE FRONT AND REAR DIFF.
2
..........X2
..........X1
..........X2
..........X2
40010
2.5x13.8mm
Pin
4x4mm
Set Screw
Step 1
36053
8x16mm
Ball bearing
40538
Diff. Case
40009
P6 O-Ring
40513
Diff. Gear
(Large)
Make sure to put grease
on diff. Out drive shafts
Step 2
Step 2
40009
P6
O-Ring
40010
2.5x13.8mm
Pin
40513
Diff. Gear
(Large)
40517
43T
Large
Bevel Gear
94020
3x12mm
Flat Head
Hex Screw
36053
8x16mm
Ball bearing
40514
Cap Joint
94020
3x12mm
Flat Head
Hex Screw
30776
4x10mm
Washer
94020
3x12mm
Flat Head
Hex Screw
30774
4mm
Alum. Cross Pin
ASSEMBLY OF THE CENTER DIFF.
3
..........X4
..........X4
..........X2
Step 1
40010
2.5x13.8mm Pin
94034
4x4mm
Set Screw
40009
P6 O-Ring
..........X2
..........X1
..........X2
36053
8x16mm
Ball bearing
4x4mm
Set Screw
40513
Diff. Gear
(Small)
40515
Break
Cap Joint
40010
2.5x13.8mm
Pin
30774
4mm
Alum. Cross Pin
40538
Diff. Case
40009
P6
O-Ring
30776
4x10mm
Washer
40513
Diff. Gear
(Large)
Step 2
40513
Diff. Gear
(Large)
*Put the Diff. Oil 5000 for
front and for rear.
*Fill the Diff. case to
approx. 95% with the Diff.
Oil
40010
2.5x13.8mm
Pin
f .
f O
Di
il
Make sure to put grease
on diff. Out drive shafts
40009
P6
O-Ring
40656
62T
Spur Gear
36053
8x16mm
Ball bearing
40011
Diff. Gasket
40515
Break
Cap Joint
36053
8x16mm Ball bearing
..........X2
1
4
ASSEMBLY OF THE CENTER DIFF.
Step 1
30776
4x10mm
Washer
94020
3x12mm
Flat Head
Hex Screw
30774
4mm
Alum. Cross Pin
ASSEMBL OF THE FRONT GEAR CASEY
5
..........X4
..........X4
..........X2
Step 1
40024
13x16x0.2mm
Shim
..........X4
40513
Diff. Gear
(Small)
30774
4mm
Alum. Cross Pin
30776
4x10mm
Washer
40024
13x16x0.2mm
Shim
Step 2
Scr
Ceme
ew
n
t
40516
13T
Small Bevel Gear
i D
ff
.
Oi
l
*Use 10000 weight diff. oil
for the center.
*Fill the Diff. Case to
approx. 95% with the Diff.
Oil.
Step 2
36053
8X16mm
Ball bearing
40011
Diff. Gasket
36053
8X16mm
Ball bearing
94020
3x12mm
Flat Head
Hex Screw
36053
8x16mm Ball bearing
94011
4x16mm
Hex Screw
94015
4x35mm
Hex Screw
ASSEMBL OF THE FRONT ARMS HOLDERY
6
94036
5x4mm
Set Screw
94026
4x12mm
Flat Head
Hex Screw
94027
4x16mm
Flat Head
Hex Screw
..........X2
..........X2
..........X2
..........X1
..........X2
..........X2
94036
5x4mm
Set Screw
40533
Gear Case
Put grease on gears
94011
4x16mm
Hex Screw
40533
Gear Case
40688
Front Lower Arm
94015
4x35mm
Hex Screw
S
c
r
ew
em
en
tC
40589
CNC Front Lower
arm Holder (B Type)
40695
Universal Joint
Center (Front/Short)
Holder(Hard-Coated)
40534
Front Upper arm
Holder (Rear/Plastic)
NB. use only as matched set "A" with"A"
and "B" with "B".
94027
4x16mm
Flat Head
Hex Screw
94026
4x12mm
Flat Head
Hex Screw
40024
13x16x0.2mm
Shim
¡¯Adj ust t he backl ash
¡@wi t h t he shi ms.
A
A
Caster
(High)
22 degree
Caster
(Low)
20 degree
Caster angle can
be changed by using
either A or B set
We recommend
using the B caster
angle
.
Steering
Characteristics
A
Steering becomes
milder.
B
Steering response
becomes quicker.
2
ASSEMBL OF THE FRONT SHOCK STAYY
7
94003
3x10mm
Hex Screw
94009
4x10mm
Hex Screw
90018
3x25mm
Cap Screw
ASSEMBL OF THE KNUCKLE ARMSY
8
90026
5x4mm
Set Screw
94042
4mm
Nylock Nut
40527
Knuckle Arm
Bushing
36055
2.5x16.8mm
Pin
..........X2
..........X4
..........X2
Step 1
40676
Body Post
40531
Shock Ball
End Post
Scr w
Ceme t
90018
e
3x25mm
n
Cap Screw
40691
7075 CNC Front
Shock Stay
Step 1 Step 2
40536
..........X2
..........X4
..........X4
..........X2
Front C Hub
94042
4mm
Nylock Nut
40527
Knuckle Arm
Bushing
40528
King Pin
Screw
3x10mm
Hex Screw
94009
4x10mm
Hex Screw
Step 4Step 3
90018
3x25mm
Cap Screw
Step 2
94003
3x10mm
Hex Screw
40657
Universal Joint
(Front)
36053
8x16x5mm
Ball bearing
36053
8x16x5mm
Ball bearing
Assembly for both right and left side
40570
CNC Front
Knuckle Arm
(Left)
40526
5mm
Alum. Wheel Hub
S
c
C
rew
emen
t
36055
2.5x16.8mm
Pin
90026
4x4mm
Set Screw
40528
King Pin Screw
ASSEMBL OF THE FRONT SUSPENSION ARMS Y
9
94041
3mm
Nylon Nut
94042
4mm
Nylon Nut
36870
4x10mm
Set Screw
40581
3mm SPL Arm Shaft(Short)
40581
4mm SPL Arm Shaft
..........X4
..........X2
..........X2
..........X2
..........X2
..........X2
94042
4mm
Nylock Nut
40581
4mm SPL Arm Shaft
40668
Front
Lower Arm
Assembly for both right and left side
*A 4x10mm set screw is used
94041
3mm
Nylon Nut
to adjust ride-height.
94042
3mm
Nylock Nut
4x10mm
Set Screw
40581
3mm SPL Arm
Shaft(Short)
* Notice the direction.
3
10
ASSEMBL OF THE FRONT UPPER ARMSY
36850
7mm
Ball and Socket
36690
Front Upper
Arm Ball End
..........X2
..........X2
40667
Front Upper
Arm
36860
5x35mm
Turnbuckle
36690
Front Upper
Arm Ball End
Assembly for both right and left side.
14 mm
36860
5x35mm
Turnbuckle
11
ASSEMBL OF THE FRONT SUSPENSION ARMS Y
94041
3mm
Nylock Nut
94008
3x25mm
Hex Screw
40581
3mm SPL Arm Shaft(Short)
..........X2
..........X2
..........X2
..........X2
40581
3mm SPL Arm Shaft(Short)
94008
3x25mm
Hex Screw
36850
7mm
Ball and Socket
94041
3mm
Nylock Nut
Assembly for both right and left side.
94041
3mm
Nylock Nut
ASSEMBL OF THE FRONT STABILIZERY
12
94035
3x8mm
Set Screw
94006
3x18mm
Hex Screw
30403
6mm
Ball End
30341
Stabilizer Ball
40540
Stabilizer
Ball End
..........X2
..........X2
..........X2
..........X2
..........X4
Makes two rods for left and right
hand-side.
30341
Stabilizer Ball
30411
6mm
Ball End
40540
Stabilizer
Ball End
94035
3x8mm
Set Screw
40540
Stabilizer
Ball End
Assembly for both right and left side.
94006
3x18mm
Hex Screw
4
13
ASSEMBL OF THE FRONT STABILIZERY
94033
3x3mm
Set Screw
94002
3x8mm
Hex Screw
ASSEMBL OF THE SERVO SAVERY
14
..........X4
..........X4
94033
3x3mm
Set Screw
40533
Stabilizer
Mount Plastic
94002
3x8mm
Hex Screw
94033
3x3mm
Set Screw
40685
Front Stabilizer
2.5mm
94033
3x3mm
Set Screw
40024
13x16x0.2mm
Shim
40073
4x8mm
Flange Bushing
40037
Steering Plat
Hex Screw
ASSEMBL OF THE SERVO SAVERY
15
94041
3mm
Nylock Nut
Step 1 Step 2
..........X2
40024
13x16x0.2mm
Shim
..........X2
40024
13x16x0.2mm
Shim
..........X2
Step 1 Step 2
40074
6x10mm
BallBushing
..........X1
40677
Servo Saver
Tube(Hard-Coated)
40539
Servo Saver
Horn A
40539
Servo Saver
Horn B
40500
Servo Saver
Spring
40034
Servo Saver
Spring Tension
Adjuster
94009
4x10mm
Hex Screw
40037
Steering Plat
Hex Screw
40560
Alum Servo Saver
Connecting Plate
(Hard-Coated)
94009
4x10mm
Hex Screw
40568
Graphite
Front Plate
40074
6x10mm
BallBushing
40073
4x8mm
Flange
Bushing
* Notice the direction of the servo saver connecting plate.
40037
Steering Plat
Hex Screw
40073
4x8mm
Flange
Bushing
94004
3x12mm
Hex Screw
40539
Servo Saver
Horn C
94004
3x12mm
Hex Screw
94009
4x10mm
Hex Screw
40074
6x10mm
Ball Bushing
..........X1
..........X2
..........X4
40074
6x10mm
BallBushing
40539
Servo Saver
Horn C
40511
saver Saver
Post
5
40074
6x10mm
BallBushing
40694
CNC Center
Bracer (Front)
94041
3mm
Nylock Nut
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