Ofna racing Ultra lx one User manual

TOOLS NOT INCLUDED IN THE KIT

INCLUDED IN THE KIT

REQUIRED FOR OPERATION

Phillips Type Screw Drivers ( L )

Phillips Type Screw Drivers ( S )

Cutter

Curved Scissors

Knife

CA Glue

Cross Wrench

Masking Tape

Spray Paints

Brush

Precision Caliper

1.5mm Allen Wrench

2mm Allen Wrench

2.5mm Allen Wrench

4mm'5mm Allen Wrench

17mm Wheel

Nut Wrench

Needle Nosed Pliers

NOT INCLUDED

MAMBA MONSTER 1/8 ESC WITH

2650KV BRUSHLESS MOTOR

RADIO CONTROL UNIT

Note: Carefully 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

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)

Turn off the switch. (Transmitter)

Retract the antenna. (Transmitter)

111111

SUITABLE SERVO SIZE

29mm - 42mm

15mm - 21mm

36mm-41m

(NOT INCLUDED)

Running a nitro kit is fun and easy, but to make this a safe • Clean oil and dirt from chassis with a degreaser like

Simple Green.

and good experience you must observe a few rules. This

kit is extremely fast, easily over 40MPH, and can seriously Precautions

injure someone if you are not careful. • This kit is not a toy. Always run car with a second

person as a spotter and pitman.

Where to run car?

• Any running area you choose must be dry. Do not run • Hot Parts - The pipe, manifold, engine and head are very

car near any water or wet dirt. hot and will cause burns.

• Do not run on public streets. It is very easy to have the

car run over or damaged by hitting the curb. • Rotating Parts - Keep hands away from the drive train,

• Do not operate car in tight confined places. The car is wheels, and engine when engine is running.

very fast and will easily hit something.

• Do not run near people or animals. • Radio - Check batteries life before running the car. If

radio does not have full control of the car with steering

• Due to noise, you will want to consider the surrounding and/or throttle/brake do not run until corrected. Failure to

area when operating the car. correct this will result in possible injury and damage to the

• Do not operate the car at night. You will not be able to car or property.

drive it without hitting something.

• Do not operate the car indoors. Engine exhaust is not • Glow fuel - Do not leave the glow fuel unattended with

healthy. the lid off. Fuel contains Methanol and Nitro Methane

both are flammable and poisonous.

Glow Fuel

• Glow fuel is poisonous! •Store fuel in cool ventilated location. Refer the glow fuel

• Glow fuel is flammable!

• Do not leave in fuel bottle with lid off at any time. label for additional precautions.

• Do not use any fuel other than glow fuel in this engine.

• Car Fuel tank - Never store fuel in car tank, it will ruin the

First Time Starting the Engine engine if left in tank.

Caution! When starting engine make sure the following is

observed. • Always turn off the car BEFORE turning off radio.

• Set engine Master needle to 3 turns (rich setting)

• Do not do this alone, get an experienced friend to help at • DAMAGE DUE CAR RUN AWAY IS NOT A WARRANTY

first. ISSUE.

• 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 of engine.

Engine Break-in

• See Engine Page.

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.

The car is very fast

and will too easily hit someone.

MUST READ THIS BEFORE RUNNING

PLASTIC PARTS FOR USE

40536

FRONT C HUB

40643

SHOCK PLASTIC PARTS

40643

Shock Cap

Washer

40643

Shock Plastic

Ball End

(Long)

40643

Shock Plastic

Ball End

(Short)

30751

DIFF. CASE

30010

FRONT AND REAR GEAR BOX

30751

DIFF. CASE

30761

DIFF. CASE

34063

REAR LOWER ARM

36011

FRONT LOWER ARM

30240

BUMPER

30351

REAR LOWER ARM HOLDER

30160

FRONT LOWER ARM HOLDER

36020

FRONT UPPER ARM

30201

CENTER DIFF. MOUNT

36081

REAR WHEEL HUB

40065

REAR UPPER ARM

PLASTIC ROD END

30674

SERVO SAVER

40019

FRONT STIFFENER

41033

STONE GUARD

16016

WING

30270

WING STAY

PLASTIC PARTS FOR USE

SYMBOLS USED THROUGHOUT THE INSTRUCTION MANUAL

Ensure

Free

Movement

Ensure Free

Movement

Apply

Grease

Apply Lubricant

Oil

Tighten

Do Not

Over Tighten

Rotate

Direction Rotate

Direction

Contact

Adhesive

Contact Adhesive

cwS re

Cmet

e n

BAG

1:1

Parts Bag Used Degrease With

Motor Spray

Do Not

Over Tighten

Clockwise

Rotation

Anti-clockwise

Rotation

True-To-Scale

Apply OilApply Screw

Cement

30662

BATTERY CASE

ASSEMBLY OF THE FRONT AND REAR DIFF.

ASSEMBLY OF THE CENTER DIFF.

Build two differentials for front and rear.

Step 2

Step 3

Step 4

Step 5

Step 1

Step 1 Step 2

Step 3

Step 5

Step 4

*Apply diff. gear grease

to the differential, during

assembly.

*Fill the diff. case to

approx 80% with grease.

*Apply diff. gear grease

to the differential, during

assembly.

*Use Diff. Oil #3000.

30779

30769 30777

30751

30620

30901

30780

4x4mm

30779

30769

30777

30761

30620

30911

30780

4x4mm

30780

*Notice the straight

holes are for the

front and rear only.

30773

30769

30776

30121

30120

*Notice the tapered

holes are for the

center diff. only.

30780

30769

30777

30761

30620

30911

30773

30769

30776

3x12mm

30110

3mm

30769

30777

30751 30620

30901

*Push 3mm tubes into the

holes of the diff. case.

*Tighten the diff. screws

in this order.

Oil

*Tighten the diff. screws

in this order.

Oil

Tighten

NB. It is very important to remove

the 30776 washer if the gear

mesh is too tight.

94020

3x12mm

Flat Head Hex Screw

.....x4

94004

3x12mm

Hex Screw

30773

4mm Cross Pin

.....x4

.....x2

30776

4x10mm Washer .....x4

94034

4x4mm

Set Screw

.....x1

30777

P5 O-Ring .....x2

30780

2x12.8mm Pin .....x2

30773

4mm Cross Pin .....x4

30780

2x12.8mm Pin .....x4

30121

3mm Tube .....x8

94004

3x12mm

Hex Screw

.....x8

30776

4x10mm Washer .....x8

94034

4x4mm

Set Screw

.....x2

30777

P5 O-Ring .....x4

.....x8

30121

3x5mm Screw

3ASSEMBLY OF THE CENTER DIFF. MOTOR MOUNT

*Note: the holes for

front diff. mount are

width.

30201

94004

3x12mm

Hex Screw

.....x2

3x12mm

S ew

eC ment

Screw

Ce enm t

30653

30675

4ASSEMBLY OF THE FRONT GEAR CASE

Step 1 Step 2

30130

30630

30010

30630

30080

5x4mm

4x12mm

30673

S re

eCem nt

Apply

Grease Apply

Grease

94010

4x12mm

Hex Screw

.....x2

94036

5x4mm

Set Screw

.....x1

30630

6x13x5mm

Ball Bearing .....x2

5ASSEMBLY OF THE FRONT GEAR CASE

Step 1 Step 2

3x18mm

4x10mm

4x25mm

30010

30655

*Notice the direction.

3x10mm

40531

3x25mm

30102

30160

4x16mm

40531

94009

4x10mm

Hex Screw

.....x2

94022

3x18mm

Flat Head Hex Screw

94029

4x25mm

Flat Head Hex Screw

90018

3x25mm

Cap Screw

94003

3x10mm

Hex Screw

.....x1

94011

4x16mm

Hex Screw

.....x2

94003

3x10mm

Hex Screw

.....x2

3x10mm

6ASSEMBLY OF THE KNUCKLE ARMS

Step 1 Step 2

Step 3

Assemble both right and left side.

36053

40520

36053 4mm

Nylon Nut

4mm

Nylon Nut

40528

36055

30656

4x4mm

34053

40527

40536

8x12x0.3mm

Screw

m t

Ce en

94034

4x4mm

Set Screw

.....x2

40218

8x12x0.3mm Washer

.....x2

94042

4mm

Nylon Nut

.....x4

40528

King Pin Screw .....x4

40527

Knuckle Arm

Bushing .....x4

36055

2.5x16.8mm Pin .....x2

7ASSEMBLY OF THE FRONT SUSPENSION ARMS

Step 1 Step 2

Assemble both right and left side.

*Approx. 9.5mm

11¡G

4x10mm

2.5mm

36020

36861

36850

36690

36011

36170

36870

4x10mm

Set Screw

.....x2

90020

2.5mm E-Ring .....x4

36850

5x35mm

Turnbuckle .....x2

36170

3x44.3mm Arm Shaft .....x2

36850

7mm Ball .....x2

8ASSEMBLY OF THE FRONT SUSPENSION ARMS

Step 1 Step 2

Assemble both right and left side.

*Insert the front drive shaft into

cap joint before assembly.

3x25

3mm

36640

36171

94008

3x25mm

Hex Screw .....x2

94041

3mm Nylon Nut .....x2

90021

3mm E-Ring .....x8

36640

4x47mm Arm Shaft .....x2

36171

4x74.1mm Arm Shaft .....x2

9ASSEMBLY OF THE FRONT STABILIZER

Step 1 Step 2

3x8mm

3x8x0.8mm

34027

3x8x0.8mm

3x3mm

3x18mm

30341

30403

3x8mm

40199

94006

3x18mm

Hex Screw .....x2

94002

3x8mm

Hex Screw .....x2

94040

3x8x0.8mm

Washer .....x2

94033

3x3mm

Set Screw .....x2

94035

3x8mm

Set Screw .....x2

*Makes two rods for left and right

hand-side

10 ASSEMBLY OF THE SERVO SAVER

Step 1 Step 2 Step 3

36743 36742

36743

30674

36743

30674

8x12x1mm

36741

3mm

Nylon Nut

30658

3x16mm

30361

30674 30674

30674

.....x2

94005

3x16mm

Hex Screw

94041

3mm Nylon Nut .....x2

.....x2

36742

Servo Saver Bushing

.....x4

36743

6mm E-Ring

8x12x1mm Washer .....x1

11 ASSEMBLY OF THE SERVO SAVER AND STEERING TIE-ROD

Step 1 Step 2

11¡G

*Approx. 31mm

*Made two steering rods

for left and right hand-side.

3x10mm

30659

34014

30380

40038

36700

Screw

m nt

Ce e

Scr we

Ce em nt

94003

3x10mm

Hex Screw .....x3

40038

7mm Ball .....x4

40038

36790

Assemble both right and left side.

12 ASSEMBLY OF THE SERVO SAVER ONTO GEAR CASE

Step 1 Step 2

3x15mm

3x10mm

3x15mm

40039

rew

ement

Screw

eeCmnt

40039

94003

3x10mm

Hex Screw

.....x2

94021

3x15mm

Flat Head Hex Screw

.....x4

40039

3mm

Tapered Washer(Alum.) .....x4

13 ASSEMBLY OF THE REAR GEAR CASE

Step 1 Step 2

30010

30130

30630

30080

5x4mm

Apply

Grease

94036

5x4mm

Set Screw .....x1

30630

6x13x5mm

Ball Bearing

.....x2

Apply

Grease

Screw

Cem n

e t

14 ASSEMBLY OF THE REAR GEAR CASE

Step 1 Step 2

30010

4x25mm

3x18mm

30649

30351

4x16mm

94022

3x18mm

Flat Head Hex Screw

94027

4x16mm

Flat Head Hex Screw .....x2

.....x2

94029

4x25mm

Flat Head Hex Screw .....x2

3x15mm

40039

Set triangle marks in

the direction shown

in Fig.(1)

Degree

1.5

Degree

Fig.1

Use rear tor-in adjuster.

15 ASSEMBLY OF THE REAR GEAR CASE

Step 1 Step 2

40531

3x10mm

34033

3x25mm

3x20mm

3x18mm

3x20mm

3x18mm

30270

40531

3x25mm

94019

3x10mm

Flat Head Hex Screw

90018

3x25mm

Cap Screw

94007

3x20mm

Hex Screw .....x4

94006

3x18mm

Hex Screw .....x2

.....x1

.....x2

16 ASSEMBLY OF THE WING STAY AND REAR WHEEL HUB

3x25mm

3mm

4x16mm

36082

36053

36081

36055

5x4mm

30656

90018

3x25mm

Cap Screw

94011

4x16mm

Hex Screw .....x2

94036

5x4mm

Set Screw .....x2

.....x2

94041

3mm Nylon Nut .....x2

36055

2.5x16.8mm

Pin .....x2

Step 2

Step 1 *Builds two rear wheel hubs for use.

36861

36850

40065

94001

3x5mm

Hex Screw .....x2

34063

3x9.5x4mm

Plastic Washer .....x4

34063

4x10mm

34055

3x5mm

34063

ASSEMBLY OF THE REAR WHEEL HUB AND UPPER ARM ROD Assemble both right and left side.

Approx. 18.9mm

1:1

Step 2

Step 1

36870

4x10mm

Set Screw .....x2

34055

3x42.6mm Arm Shaft .....x2

36850

*Made two steering rods

for left and right hand-side.

18 ASSEMBLY OF THE REAR LOW ARMS INTO GEAR BOX Assemble both right and left side.

3mm

3x25mm

94008

3x25mm

Hex Screw .....x2

94006

3x18mm

Hex Screw .....x2

34054

36171

3mm

3x18mm

3mm

Step 2

Step 1

19 ASSEMBLY OF THE REAR STABILIZER

94040

3x8x0.8mm

Washer .....x2

94002

3x8mm

Hex Screw .....x2

3x8x0.8mm

34027

3x8mm

20 ASSEMBLY OF THE REAR STABILIZER RODS

30403

3x8mm

40199

30341

40199 3x3mm

3x18mm

94006

3x18mm

Hex Screw .....x2

94033

3x3mm

Set Screw .....x2

94035

3x8mm

Set Screw .....x2 *Makes two rods for left and right

hand-side

Assemble both right and left side.

90021

3mm E-Ring .....x4

94041

3mm Nylon Nut .....x4

21 ASSEMBLY OF THE FRONT GEAR CASE ONTO CHASSIS

94019

3x10mm

Flat Head Hex Screw

94027

4x16mm

Flat Head Hex Screw

94026

4x12mm

Flat Head Hex Screw

4x16mm

3x25mm

4x16mm

3x10mm

4x12mm

30676

30240

.....x2

.....x4

.....x2

94023

3x25mm

Flat Head Hex Screw .....x2

22 ASSEMBLY OF THE CENTER DIFF. ONTO CHASSIS

36100

(90mm)

4x12mm

4x16mm

94026

4x12mm

Flat Head Hex Screw .....x3

*Insert drive shaft into cap

joint before assembly

center diff.

94027

4x16mm

Flat Head Hex Screw .....x2

*Insert the front

bumper before

assembly.

23 ASSEMBLY OF THE REAR GEAR CASE ONTO THE CHASSIS

4x16mm

3x25mm

94023

3x25mm

Flat Head Hex Screw

94027

4x16mm

Flat Head Hex Screw .....x4

.....x2

36100

(86.5mm)

*Insert drive shaft into cap

joint before assembly

center diff.

24 Assemble both right and left side.

94019

3x10mm

Flat Head Hex Screw

ASSEMBLY OF THE STONE GUARD

.....x6

41033

3x10mm

Step 3

Step 2

94003

3x10mm

Hex Screw .....x2

ASSEMBLY OF THE REAR TORQUE RAD

Step 1 3x10mm

94007

3x20mm

Hex Screw .....x1

94013

3x25mm

Hex Screw .....x1

36850

7mm Ball .....x1

36700

40108

36680

3x20mm

94041

3mm Nylon Nut .....x1

3mm

3x25mm

36680

7mm Ball and Socket .....x1

*Approx. 42mm

0 10 20 30 40 50

36710

26 ASSEMBLY OF THE MAGIC TAPE INTO BATTERY CASE

Step 1 Step 2

30662

30663

28 ASSEMBLY OF THE BATTERY TRAY BRIDGE ONTO BATTERY CASE

29 ASSEMBLY OF THE SPEED CONTROL RECEIVER WIRE INTO RADIO CASE

ASSEMBLY OF THE SPEED CONTRTOL RECEIVER ONTO BATTERY CASE

Step 1 Step 2

3x10mm

94002

3x8mm

Hex Screw

.....x2

Speed Contrtol Receiver(Option)

30662

DOUBLE SIDED

TAPE

30662

3x8mm

94003

3x10mm

Hex Screw .....x2

31 ASSEMBLY OF THE SERVO WIRE INTO RADIO CASE

32 ASSEMBLY OF THE BATTERY CASE ONTO CHASSIS

ASSEMBLY OF THE STEERING SERVO ONTO RADIO CASE

94040

3x8x0.8mm

Washer .....x4

94003

3x10mm

Hex Screw .....x4

3x10mm

3x8x0.8mm

30662

94019

3x10mm

Flat Head Hex Screw .....x3

94026

4x12mm

Flat Head Hex Screw .....x1

94053

5x10mm

Flat Head Hex Screw

.....x2

5x10mm

3x10mm

4x10mm

3x10mm

3x8x0.8mm

34 ASSEMBLY OF THE RECEIVER INTO RADIO CASE

35 ASSEMBLY OF THE STEERING ROD ONTO REDIO CASE

ASSEMBLY OF THE RADIO CASE ONTO CHASSIS

94019

3x10mm

Flat Head Hex Screw .....x4

3x10mm

Receiver

*Plug in your Steering servo

to CH1 and speed control to

CH2.

94002

3x8mm

Hex Screw

.....x2

37410

40642

30560

* Choose the right servo horn adapter for your servo.

S J F H

Sanwa/Airtronics JR Futaba HiTech

*Approx. 19mm

Use the screw

provided with

your servo.

30661

30401

3x12mm

30661

38280

(3x36mm)

3x12mm

30411

30662

94004

3x12mm

Hex Screw .....x2

30411

6mm Ball Socket .....x2

3x8mm

30662

37 MOTOR INSTALL

36 MOTOR INSTALL

94038

3x12mm

Cap Screw .....x2

Motor (NOT INCLUDED)

*Use notebook paper to set gear backlash between

spur gear and clutch bell gear; apply pressure

while tightening the engine.

*If the space is not correct, the spur gear will be

damaged.

Notebook paper

94034

4x4mm

Set Screw

.....x1

4x4mm

30665 (14T)

38 ASSEMBLY OF THE FRONT SHOCKS

40090

1mm Washer .....x2

40090

3.5mm O-Ring .....x4

40090

2mm Washer .....x2

2.6x5mm

Washer .....x4

fill the shocks

with oil #40.

40640

40633

40643

28 mm

40090

40632

Step 1 Step 2

40638

40054

CORRECT SHOCK ASSEMBLY

Carefully screw the shock shaft into

the bottom of the plastic ball and

until the distance between the ball

end and the shock body is 28mm for

the front.

N.B. Do not over tighten as the

plastic will strip.

5.m

020 30 4010

2.6x5mm

40060

30403

Fit the o-ring into groove before

assembly

40636

40634

1.Pull down piston and

pour oil into shock

cylinder.

2.To remove air bubbles

by slowly moving

piston up and down.

3.Pull down piston,

tighten shock cap,

and wipe off shock

oil overflow with

tissue paper.

*Make 2 sets for Shocks.

94040

3x8x0.8mm

Washer .....x2

3x12mm

3x8x0.8mm

ASSEMBLY OF THE REAR SHOCKS

ASSEMBLY OF THE FRONT AND REAR SHOCKS

40090

1mm Washer .....x2

40090

3.5mm O-Ring .....x4

40090

2mm Washer .....x2

2.6x5mm

Washer .....x4

fill the shocks

with oil #40.

40640

40633

30403

40639

37.5mm

CORRECT SHOCK ASSEMBLY

Carefully screw the shock shaft into

the bottom of the plastic ball and

until the distance between the ball

end and the shock body is 37.5mm

for the front.

N.B. Do not over tighten as the

plastic will strip.

40638

Step 1

40055

40090

6.m

020 30 4010

1.Pull down piston and

pour oil into shock

cylinder.

2.To remove air bubbles

by slowly moving

piston up and down.

3.Pull down piston,

attach pressure top

and shock oil

overflow with tissue

paper.

Step 2

2.6x5mm

40060

40058

40643

40641 40643 40641

40058

40643

Fit the o-ring into groove before

assembly

40636

40634

*Assemble 2 sets for front *Assemble 2 sets for rear

* Cut 4mm for front.

41 ASSEMBLY OF THE FRONT SHOCK ABSORBER

Assemble both right and left sides.

94040

3x8x0.8mm

Washer

.....x2

94041

3mm Nylon Nut .....x2

.....x2

94007

3x20mm

Hex Screw

3x20mm

3x8x0.8mm

3mm

40643

*Make 2 sets for Shocks.

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