OFNA Racing Jammin X1 CR User Manual
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JAMMINPRODUCTS.COM • OFNA.COM •TEAMJAMMIN.COM
OFNA RACING 7 VANDERBILT, IRVINE, CA. 92618 • PH: 949.586.2910 FX: 949.586.8812
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.
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 Heat with Battery & Charger
# 10227....$$19.95
(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
mm-41mm
36
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 FOR USE
#40538
DIFF. CASE
#40535
FRONT AND REAR LOWER ARM
#40537
FRONT UPPER ARM
#40534
ARM HOLDER TREE
#40536
FRONT C HUB
#40542
WING MOUNT TREE
#40533
FRONT AND REAR GEAR BOX
40040
CENTER DIFF. MOUNT PLASTIC PARTS
30801
Throttle Linkage
Plastic
#40540
REAR UPPER RIGHT/FRONT BUMPER TREE
#40539
SERVO SAVER TREE
40046
STONE GUARD PLASTIC PARTS
#40541
RECEIVER BOX TREE
1
ASSEMBLY OF THE FRONT AND REAR DIFF.
Builds two differentials for front and rear.
40010
2.5x13.8mm Pin
94034
Set Screw
40009
P6 O-Ring
36053
8x16mm Ball bearing
2
ASSEMBLY OF THE FRONT AND REAR DIFF.
30779
4x10mm
Washer
..........X2
..........X1
..........X2
..........X2
..........X4
Step 1
40514
Cap Joint
40513
Diff. Gear
(Large)
..........X2
Step 1
36053
8x16mm
Ball bearing
30779
4x10mm
Washer
94034
4x4mm
Set Screw
40010
2.5x13.8mm
Pin
40538
Diff. Case
40009
P6 O-Ring
40513
Diff. Gear
(Large)
Make sure to put grease
on diff. Out drive shafts
40513
Diff. Gear
(Small)
Step 2
40513
Diff. Gear
(Large)
Step 2
40009
P6
O-Ring
40010
2.5x13.8mm
Pin
40517
Large
Bevel Gear
94020
3x12mm
Flat Head
Hex Screw
36053
8x16mm
Ball bearing
40514
Cap Joint
94020
3x12mm
Flat Head
Hex Screw
94020
3x12mm
Flat Head
Hex Screw
40513
Diff. Gear
(Small)
30773
4mm
Cross Pin
3
94034
4x4mm
Set Screw
..........X4
..........X4
..........X2
ASSEMBLY OF THE CENTER DIFF.
40010
..........X2
2.5x13.8mm Pin
..........X1
..........X2
40009
P6 O-Ring
Step 1
40515
Brake
Cap Joint
36053
8x16mm
Ball bearing
30779
4x10mm
Washer
40513
Diff. Gear
(Small)
94034
4x4mm
Set Screw
40010
2.5x13.8mm
Pin
30773
4mm
Cross Pin
30779
4x10mm
Washer
Step 2
40513
Diff. Gear
(Large)
Di
f .
i
lf O
Use the Diff. Oil #3000 in
the front and #1000 for
the rear.
Fill the Diff. case to
approx. 100% with the
Diff.Oil
Make sure to put grease
on diff. Out drive shafts
40010
2.5x13.8mm
Pin
40009
O-Ring
40011
Diff. Gasket
36053
8x16mm Ball bearing
..........X2
40513
Diff. Gear
(Large)
..........X2
40538
Diff. Case
40009
O-Ring
40513
Diff. Gear
(Large)
1
40518
Spur Gear
36053
8x16mm
Ball bearing
40515
Brake
Cap Joint
4
ASSEMBLY OF THE CENTER DIFF.
Step 1
30799
4x10mm
Washer
..........X4
30779
4x10mm
Washer
40513
Diff. Gear
(Small)
Step 2
94020
3x12mm
Flat Head
Hex Screw
94020
3x12mm
Flat Head
Hex Screw
94020
3x12mm
Flat Head
Hex Screw
40513
Diff. Gear
(Small)
30773
4mm
Cross Pin
5
40024
13x16x0.2mm
Shim
36053
8x16mm Ball bearing
94011
4x16mm
Hex Screw
4x35mm
Hex Screw
..........X4
..........X4
..........X2
ASSEMBL OF THE FRONT GEAR CASEY
..........X4
..........X2
..........X2
..........X2
Step 1
40513
Diff. Gear
(Small)
30779
4x10mm
Washer
40024
13x16x0.2mm
Shim
40024
13x16x0.2mm
Shim
40533
#40533
Gear Case
36053
8X16mm
Ball bearing
30779
4x10mm
30773
4mm
Cross Pin
40516
Small Bevel Gear
Adjust the backlash
with the shims.
Washer
36053
8X16mm
Ball bearing
Di
Di lff. Oi
ff
. O l
i
Use 5000 weight diff. oil
in the center.
Fill the Diff. Case to
approx.
Oil
Step 2
94011
4x16mm
Hex Screw
4x35mm
Hex Screw
40011
Diff. Gasket
40533
Gear Case
40561
Front Lower Arm
Holder (Hard-coated)
6
ASSEMBL OF THE FRONT ARMS HOLDERY
94036
5x4mm
Set Screw
94027
4x16mm
Flat Head
Hex Screw
..........X1
..........X4
Scre
emC
Caster angle can
A
B
be changed with
A or B.
We recommend
using the B caster
angle
Steering
Characteristics
Steering becomes
milder.
Steering response
becomes quicker.
40534
Front Upper arm
Holder (Rear/Plastic)
40534
Front Lower arm
Holder (Rear/Plastic)
94027
4x16mm
w
e
nt
94036
5x4mm
Set Screw
40572
Universal Joint
Center (Front/Short)
94027
4x16mm
Flat Head
Hex Screw
Flat Head
Hex Screw
Caster
(High)
Caster
(Low)
2
ASSEMBL OF THE FRONT SHOCK STAYY
7
40531
Shock Ball
End Post
94003
3x10mm
Hex Screw
94009
4x10mm
Hex Screw
90018
3x25mm
Cap Screw
8
ASSEMBL OF THE KNUCKLE ARMS / SPINDLEY
90026
5x4mm
Set Screw
94042
Nylock Nut
36055
2.5x16.8mm
Pin
..........X2
..........X2
..........X4
..........X2
..........X2
..........X4
..........X2
S
cre
C
e
w
m
Step 1
40565
7075 CNC Front
Shock Stay
(Hard-coated)
40531
Shock Ball
End Post
e
nt
90018
3x25mm
Cap Screw
Step 1 Step 2
40536
Front C Hub
94042
Nylock Nut
40527
Knuckle Arm
Bushing
Step 2
90018
3x25mm
Cap Screw
94009
4x10mm
Hex Screw
94003
3x10mm
Hex Screw
Step 4Step 3
Note: If you change to CVA joints.
You must disassemble the CVA
axle when installing into knuckle.
94009
4x10mm
Hex Screw
Assembly for both right and left side
40570
CNC Steering
Knuckle Arm
(Left)(Hard-coated)
40526
Alum.
Wheel Hub
36053
8x16x5mm
Ball bearing
S
cre
Ce e t
w
m
n
36055
2.5x16.8mm
Pin
90026
5x4mm
Set Screw
40527
Knuckle Arm
Bushing
40528
King Screw
ASSEMBL OF THE FRONT SUSPENSION ARMS Y
9
90020
2.5mm
E-Ring
90021
3mm
E-Ring
36870
4x10mm
Set Screw
40546
3x42.7mm Arm Shaft
40524
4x73mm Arm Shaft
..........X4
..........X4
..........X4
..........X4
..........X2
..........X2
..........X2
94042
Nylock Nut
90021
3mm
E-Ring
40528
King Pin
Screw
40524
4x73mm
Arm Shaft
3
40521
Universal Joint
(Front)
36870
4x10mm
Set Screw
40535
Front Lower Arm
90020
2.5mm
E-Ring
90021
3mm
E-Ring
40546
3x42.7mm
Arm Shaft
Right side
Assembly for both right and left side
Insert the front drive shaft into
diff. Drive cup before assembly.
90020
2.5mm
E-Ring
36870
4x10mm
Set Screw
*A 4x10mm set screw is used
to adjust ride-height.
10
ASSEMBL OF THE FRONT UPPER ARMSY
Assembly for both right and left side
36850
7mm
Ball and Socket
36690
Front Upper
Arm Ball End
36860
5x35mm
Turnbuckle
11
ASSEMBL OF THE FRONT SUSPENSION ARMS Y
..........X2
..........X2
..........X2
40537
Front Upper
Arm
36860
5x35mm
Turnbuckle
36850
7mm
Ball and Socket
36690
Front Upper
Arm Ball End
8 mm
Assembly for both right and left side
90020
2.5mm
E-Ring
11¡G
90020
2.5mm
E-Ring
94041
Nylock Nut
94008
3x25mm
Hex Screw
40546
3x42.7mm Arm Shaft
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
..........X4
..........X2
..........X2
..........X2
90020
2.5mm
E-Ring
40546
42.7mm
Arm Shaft
94008
3x25mm
Hex Screw
94006
3x18mm
Hex Screw
94041
Nylock Nut
Assembly for both right and left side
Makes two rods for left and right
hand-side.
30341
Stabilizer Ball
30403
6mm
Ball End
40540
Stabilizer
Ball End
94035
3x8mm
Set Screw
40540
Stabilizer
Ball End
4
13
ASSEMBL OF THE FRONT STABILIZERY
94033
M3x3
Set Screw
94033
M3x3
Set Screw
94033
M3x3
Set Screw
94002
3x8mm
Hex Screw
40533
Stabilizer
Mount Plastic
ASSEMBL OF THE SERVO SAVERY
14
40539
4x8mm
Flange Bushing
40037
Steering Plat
Hex Screw
..........X4
..........X4
40533
Stabilizer
..........X2
Step 1 Step 2
..........X2
..........X2
94033
M3x3
Set Screw
94002
3x8mm
Hex Screw
40563
Servo Saver Alum.
Tube (Hard-coated)
40539
Servo Saver
Horn A
40539
Servo Saver
Horn B
40024
13x16x0.2
Washer
40033
Servo Saver
Spring
40024
13x16x0.2
Washer
40034
Servo Saver
Spring Tension
Adjuster
Mount Plastic
40529
Front Stabilizer
40037
Steering Plat
Hex Screw
40560
Alum Servo Saver
Connecting Plate
(Hard-coated)
Take the 4x8mm plastic flange bushing from
servo saver plastic parts tree .
40539
4x8mm
Flange Bushing
Notice the direction of the servo saver connecting plate.
40037
Steering Plat
Hex Screw
40539
4x8mm
Flange Bushing
40539
Servo Saver
Horn C
15
ASSEMBL OF THE SERVO SAVERY
Step 1 Step 2
94041
Nylock Nut
94003
3x10mm
Hex Screw
94004
3x12mm
Hex Screw
94009
4x10mm
Hex Screw
40539
6x10mm
Bushing
..........X2
..........X1
..........X1
..........X2
..........X2
Take the 6x10mm
plastic bushing
from servo saver
plastic parts tree.
40539
6x10mm
Bushing
40539
6x10mm
Bushing
94009
4x10mm
Hex Screw
94003
3x10mm
Hex Screw
40539
Servo Saver
Horn C
40511
Servo Saver
Post
40542
Front Body
Post
94009
4x10mm
Hex Screw
40568
Graphite
Front Plate
40539
6x10mm
Bushing
40539
6x10mm
Bushing
5
94041
Nylock Nut
40576
CNC Center
Bracer (Front)
94004
3x12mm
Hex Screw
16
ASSEMBL OF THE STEERING TIE-RODY
40039
3mm Tapper
Washer(Alum.)
..........X2
Step 1 Step 2
Makes two steering rods for left and right hand-side.
36700
7mm Steering
Ball End
Assembly both right and left side
40548
M3 Nylock Nut
(Thin Type)
40038
7mm Ball
94041
Nylock Nut
94022
3x16mm
Flat Head
Hex Screw
36700
7mm Steering
Ball End
17
ASSEMBL OF THE AND THE SERVO SAVER Y
..........X2
..........X2
..........X2
..........X4
Put the front spacer in this
direction.
40038
7mm Ball
Front
36790
4x46mm
Turnbuckle
40038
7mm Ball
30 mm
40533
Front spacer
36700
7mm Steering
Ball End
11¡G
94009
4x10mm
Hex Screw
40039
3mm Tapper
Washer(Alum.)
94022
3x16mm
Flat Head
Hex Screw
c
C
r
e
e
w
m
ent
S
94020
3x12mm
Flat Head
Hex Screw
94020
3x12mm
Flat Head
Hex Screw
94009
4x10mm
Hex Screw
18
ASSEMBL OF THE REAR GEAR CASEY
36053
8x16mm Ball bearing
40024
13x16x0.2mm
Shim
94011
4x16mm
Hex Screw
94030
4x45mm
Flat Head Hex Screw
..........X2
..........X2
..........X2
..........X4
..........X2
..........X2
S
c
C
r
e e tm n
ew
94020
3x12mm
Flat Head
Hex Screw
Step 1 Step 2
36053
8X16mm
Ball bearing
94011
4x16mm
Hex Screw
40024
13x16x0.2mm
Shim
Gear Case
36053
8X16mm
Ball bearing
40024
13x16x0.2mm
Shim
40516
Small
Bevel Gear
Adjust the backlash
with the shims.
94030
4x40mm
Flat Head
Hex Screw
40533
Gear Case
40575
CNC Rear Toe-in
o
Plate-3
6
ASSEMBL OF THE REAR GEAR CASEY
19
Step 1
#40572
Universal Joint
Conter (Rear/Long)
5x4mm
Set Screw
4x12mm
Hex Screw
Step 2
t
n
c
S rew
eme
C
#40539
Center bracer
Mount
5x4mm
Set Screw
4x12mm
Hex Screw
ASSEMBLY OF THE REAR SHOCK STAY
20
..........X1
..........X4
Step 1
#40531
Shock Ball End Post
one-piece/Top
..........X3
3x10mm
Hex Screw
Shock Ball
End Post
3x10mm
Hex Screw
..........X2#40531
#40531
Shock Ball End Post
one-piece/Top
3x25mm
Cap Screw
#40542
Rear body
Post
#40566
7075 CNC Rear
Shock Stay
(Hard-coated)
4x12mm
Hex Screw
rew c
et
S
e n
Cm
3x25mm
Cap Screw
Step 2
3x10mm
Hex Screw
#40562
Rear Lower Arm
Holder (Hard-coated)
3x25mm
Cap Screw
21
ASSEMBLY OF THE WING STAY
3x12mm
Hex Screw
3x15mm
Hex Screw
#40532
Wing Stay
Post
..........X2
..........X2
..........X4
..........X3
3x12mm
Hex Screw
3x15mm
Hex Screw
#40532
Wing Stay
Right
#40532
Wing Mount
#40532
Wing Stay
Post
* The angel of the wing mount can be changed
#40532
Wing Stay
(Left)
High Position
#40532
Wing Stay
Post
3x12mm
Hex Screw
#40532
Wing Mount
Low Position
3x15mm
Hex Screw
Put both wing mounts in the
same position.you can make
the wing long or short by
turning the mounts around
Long
Big Angle
Short
7
22
ASSEMBLY OF THE WING STAY
Step 1 Step 2
4x10mm
Hex Screw
Hex Screw
4x16mm
Hex Screw
24
ASSEMBLY OF THE REAR UPPER RIGHT
..........X14x10mm
..........X5
4x16mm
Hex Screw
Step 1
2.5mm
E-Ring
5X4mm
Set Screw
4x10mm
Set Screw
#267E
2.5x16.8mm Pin
#267D
8x16mm Ball bearing
#40525
3x48.1mm Lower Arm
..........X4
..........X2
..........X2
..........X2
..........X2
..........X2
267D
8x16x5mm
Ball Bearings
X1-40
#40540
Rear Upper
Kignt (Right )
4x16mm
Hex Screw
#40571
Universal Joint
(Rear)
#267D
8x16x5mm
Ball Bearings
#40526
Alum. Wheel
Hub 5mm
#267E
2.5x16.8mm
Pin
5X4mm
Set Screw
Step 2
* A4x10mm set screw is used
to adjust the ride heigh.
t
w
n
e
r
Sc e
em
C
4x10mm
Set Screw
Front
Lower arm
2.5mm
E-Ring
4x16mm
Hex Screw
#40540
Wheel Base
Adjuster
washer
#40576
CNC Center
Bracer (Rear)
Assembly for both right and left side
2.5mm
E-Ring
#40525
3x48.1mm
Lower Arm
#40540
Wheel Base
Adjuster
washer
Left side
23
ASSEMBLY OF THE REAR SUSPENSION ARMS
3mm
E-Ring
X1-24
#40524
4x73mm
Lower Arm Shaft
..........X4
..........X2
3mm
E-Ring
8
#40524
4x73mm
Lower Arm Shaft
Assembly for both right and left side
3mm
E-Ring
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