OFNA Racing Ultra GTP RTR User Manual

ULTRA GTP II

INSTRUCTION MANUAL #34316 #34317

ADDITIONAL PARTS NEEDED

* Batteries 8 AA for Radio * Receiver Batteries (10202 Hump Pack) * Model Fuel 20% Nitro * CA Glue

THIS IS NOT A TOY !

This kit is extremely fast, and can easily go over 40mph and can seriously injured someone. If you are under 18years of age have and adult supervision.

MUST READ THIS BEFORE RUNNING

Running a nitro kit is fun and easy, but to make this a safe • Clean oil and dirt from chassis with a degreaser. and good experience you must observe a few rules. This kit is extremely fast, easily over 40MPH, and can seriously injure someone if you are not careful.

Precautions

• 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 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 too easily hit someone.

• Due 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

• Glow fuel is poisonous!

• Glow fuel is flammable! label for additional precautions.

• Do not leave in fuel bottle with lid off at any time.

• 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

Caution! When starting engine make sure the following is observed.

• Set engine Master needle to 3 turns (rich setting) • DAMAGE DUE CAR RUN AWAY IS NOT A WARRANTY

• 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

• 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/or throttle/brake do not run until corrected. Failure to correct this will result in possible injury and damage to the car or property.

• Glow fuel - Do leave the glow fuel unattended with the lid off. Fuel contains Methanol and Nitro Methane and is flammable and poisonous.

Store fuel in cool ventilated location. Refer the glow fuel

engine if left in tank.

• Always turn off the car BEFORE turning off radio.

ISSUE.

IF YOU DO NOT BREAK-IN ENGINE CORRECTLY, MAINLY AT LOW RPM, YOU WILL BREAK THE CONNECTING ROD!

FAILURE TO NOT READ AND

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.

FOLLOW BREAK-IN ENGINE INSTRUCTIONS WILL VOID WARRANTY!

THINGS NEED BESIDES THE KIT

3.5 cc (21 Class) ENGINE REAR EXHAUST

OFNA/Picco (Option Parts) P-9R EVO

#51219

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

m

1

mm-4

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)

111111

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 . . .

#10202 NiHm Battery Hump

Pack .. $34.95

# 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

1.5mm Allen Wrench

2mm Allen Wrench

2.5mm Allen Wrench

4mm'5mm Allen Wrench

1

ASSEMBLY OF THE FRONT AND REAR DIFF.

Builds two differentials for front and rear.

Step 1

30779 2x12.8mm Pin

94034 4x4mm Set Screw

30777 P5 O-Ring

30620 7x19x6mm Ball Bearing

2

ASSEMBLY OF THE FRONT AND REAR DIFF.

30776 4x10mm Washer

.....x4

.....x2

30620

Oil

30901

.....x4

Step 1 Step 2

30773

.....x8

30751

30769

30776

30777

30779

30769

30779

Step 2

30769

30777

Tighten

3x12mm

Oil

30620

30751

30779

4X4mm

Builds two differentials for front and rear.

Tight the diff. screws in this order.

1

30901

3

94004 3x12mm Hex Screw

30773 4mm Cross Pin

3

ASSEMBLY OF THE FRONT AND REAR BEVEL GEARS

30121 4x3x3mm Chromed Tube

30121 3x5mm Screw

.....x8

.....x4

.....x8

*Push 3mm tubes into the

Step 1 Step 2

holes of the diff. Case.

D

i

ff.

O

il

*Put the diff. oil approx 80%.

4

Builds two differentials for front and rear.

30121

2

30121

30121 3x5mm

1

4

ASSEMBLY OF THE GEAR BOX AND FRONT SHOCK STAY

Step 1 Step 2

94036 5x4mm Set Screw

30630 6x13x5mm Ball Bearing

94009 4x10mm Hex Screw

94023 3x25mm Flat Head Screw

94029 4x25mm Flat Head Screw

5

ASSEMBLY OF THE FRONT LOWER ARMS

36870 4x10mm Set Screw

94011 4x16mm Hex Screw

.....x2

.....x1

.....x2

36890

Apply Grease

30130

Ensure Free Movement

30630

30010

4x10mm

30630

3x25mm

36171

5x5mm

S

Ce

30082

30010

4x25mm

ew

cr

ent

m

4x10mm

30262

3mm

30160

3mm

4x16mm

6

ASSEMBLY OF THE FRONT UPPER ARMS

Ensure Free Movement

36905

94010 4x12mm Hex Screw

3mm

36900

.....x2

30654

36640

36905

36890

Ensure Free Movement

Caster Adjuster

36171

*Caster angle will become bigger.

*A 4x10mm set screw is used to adjust the ride-height.

3mm

*Caster angle will become less.

4x12mm

2

7

ASSEMBLY OF THE FRONT KNUCKLE ARMS

Assembly for both right and left side.

*Notice the direction of the plastic washer.

36903

36901

S

Cem

30656

cr

e

w

e t

n

5x4mm

94036 5x5mm Set Screw

36055

2.5x16.8mm Pin

36053 8x16x5mm Ball Bearing

8

ASSEMBLY OF THE FRONT KNUCKLE AND FRONT SUSPENSION ARMS

.....x2

.....x4

Do Not Over Tighten

36904

36905

Do Not Over Tighten

36903

36905

Step 2Step 1

L

36053

36055

Ensure Free Movement

36052

36053

Assembly for both right and left side.

9

ASSEMBLY OF THE FRONT STABILIZER

3x8mm Set Screw

30403 6mm Ball

3x16mm Hex Screw

.....x2

* Put the drive shaft into cup joint before assembly.

94005 3x16mm

Assembly for both right and left side.

Makes two rods for left and right hand-side.

40029

30341

30403

94035 3x8mm

40199

3

10

ASSEMBLY OF THE FRONT STABILIZER

3x3mm

re

Sc

m

Ce ent

w

94033 3x3mm Set Screw

94002 3x8mm Hex Screw

11

ASSEMBLY OF THE SERVO SAVER

94041 M3 Nylon Nut

.....x2

Step 1 Step 2 Step 3

36743 6mm

94040 3x8x0.8mm

3x8mm

Ensure Free Movement

30261

36740

36743 6mm

36740

Scr

C

ew

e

me t

3x3mm

n

3x16mm

36742

36743 6mm E-Ring

94005 3x16mm Hex Screw

12

ASSEMBLY OF THE SERVO SAVER AND THE STEERING TIE-ROD

94003 3x10mm Hex Screw

94021 3x15mm Flat Head Screw

.....x4

.....x2

3x10mm

Step 1

30272

.....x3

.....x2

36741

8x12x1mm

30361

36743 6mm

3x10mm

36743 6mm

34014

Step 2

36850

36700

36740

30361

36790

3x15mm

40038

Ensure Free Movement

3x15mm

30658

M3 Nylon Nut

30380

1:1

*Approx. 33.5mm

* 33. 5mm¬ù

4

13

ASSEMBLY OF THE SERVO SAVER ONTO THE FRONT GEAR BOX

94041 M3 Nylon Nut

.....x2

3x15mm

94003 3x10mm Hex Screw

94021 3x15mm Flat Head Screw

14

ASSEMBLY OF THE GEAR BOX AND REAR SHOCK STAY

94036 5x5mm Set Screw

30630 6x13x5mm Ball Bearing

94005 3x16mm Hex Screw

.....x2

.....x1

.....x2

3mm

Step 1 Step 2

30010

Apply Grease

30130

30630

40039

3x15mm

30630

5x5mm

30082

30010

w

e

t

r

c

en

S

e

C m

3x16mm

3mm

34009

3x10mm

40039

3mm

94022 3x18mm Flat Head Screw

94029 4x25mm Flat Head Screw

15

ASSEMBLY OF THE REAR LOWER ARMS

36870 4x10mm Set Screw

94027 4x16mm Flat Head Screw

.....x2

3mm

4x16mm

34035

30351

Ensure Free Movement

3x18mm

*A 4x10mm set screw is used to adjust ride-height.

4x10mm

36171

4x25mm

Ensure Free Movement

3mm

34035

5

16

ASSEMBLY OF THE REAR SUSPENSION ARMS

Assembly for both right and left side.

94036 5x5mm Set Screw

94001 3x4mm Hex Screw

36053 8x16x5mm Ball Bearing

36055

2.5x16.8mm Pin

17

ASSEMBLY OF THE REAR SUSPENSION ARMS

36850 7mm Ball

94041 3mm Nylon Nut

94006 3x18mm Hex Screw

94008 3x25mm Hex Screw

.....x2

.....x4

.....x2

Step 1 Step 2

.....x4

.....x2

36850

40065

*Approx. 21mm

36861

1:1

3x4mm

40065

36850

34055

3x18mm

40028

36082

34035

3x25mm

36053

Ensure Free Movement

3mm

36081

36053

36055

5x5mm

36054

3mm

18

ASSEMBLY OF THE REAR STABILIZER

94035 3x8mm Set Screw

30403 6mm Ball

94006 3x18mm Hex Screw

.....x2

Makes two rods for left and right hand-side.

30403

30341

Assembly for both right and left side.

40029

3x8mm

40199

3x18mm

6