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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 

Precautions

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

• This kit is not a toy.  Always run car with a second 

injure someone if you are not careful.

person as a spotter and pitman.

Where to run car?

• Hot Parts - The pipe, manifold, engine and head are very 

• Any running area you choose must be dry.  Do not run 

hot and will cause burns.

car near any water or wet dirt.
• Do not run on public streets.  It is very easy to have the 

• Rotating Parts - Keep hands away from the drive train, 

car run over or damaged by hitting the curb.

wheels, and engine when engine is running.

• Do not operate car in tight confined places. The car is 
very fast and will easily hit something.

• Radio - Check batteries life before running the car.  If 

• Do not run near people or animals. 

radio does not have full control of the car with steering 

 

and/or throttle/brake do not run until corrected.  Failure to 

 • Due noise, you will want to consider the surrounding 

correct this will result in possible injury and damage to the 

area when operating the car.

car or property.

• Do not operate the car at night.  You will not be able to 
drive it without hitting something.

• Glow fuel - Do leave the glow fuel unattended with the lid 

• Do not operate the car indoors.  Engine exhaust is not 

off.  Fuel contains Methanol and Nitro Methane and is 

healthy.

flammable and poisonous.

Glow Fuel

Store fuel in cool ventilated location.  Refer the 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 
engine if left in tank.

First Time Starting the Engine

Caution! When starting engine make sure the following is 

• Always turn off the car BEFORE turning off radio.

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 

ISSUE.

first.
• Fill fuel tank, try not to spill fuel.  Do not spill fuel on 

IF YOU DO NOT BREAK-IN ENGINE 

receiver

CORRECTLY, MAINLY AT LOW RPM, 

• Hold car off the ground, so it will not runaway when first 
starts

YOU WILL BREAK THE CONNECTING 

• Turn on Radio and check the linkage before starting 

ROD!

engine.
• Turn on car receiver battery switch.
• Always have an air filter on the carburetor to keep dirt 

FAILURE TO NOT READ AND 

out.

FOLLOW BREAK-IN ENGINE 

Engine Break-in

• See Engine Page.

INSTRUCTIONS WILL VOID 

Emergency Stopping Engine When Running

• Remove air filter and cover carb. intake.

WARRANTY!

• Squeeze fuel line and hold until engine stops.
• With a rag, cover exhaust outlet.

CHECK RADIO SETTING, 

Storing Car After Running

• Remove fuel from tank and fuel lines

LINKAGE AND SET FAIL SAFE 

• Turn off radio in car
• Put a few drops of after run in engine to keep it from 

BEFORE STARTING.

rusting.

The car is very fast 

and will too easily hit someone.

RTR KITS  - REQUIRED FOR OPERATION

 

THINGS NEEDED

AA Batteries ( 12 pcs )

Glow Fuel

20%

TOOLS NOT INCLUDED IN KIT,
BUT NEEDED TO MAINTAIN YOUR CAR. 

Phillips Type Screw Drivers ( L )

Phillips Type Screw Drivers  ( S )

Needle Nose Pliers

Cutter

Curved Scissors
#91009 $5.95

Knife

Instant Cement

Cross Wrench
#17109 $3.95

Glow Plug & 17MM Cross Wrench
#10801  $6.95

Grease

You need to get batteries for the radio transmitter and the car receiver packs.
• Radio TX needs  (8) eight AA batteries.
• Car needs (4) four AA Ni-cad batteries 2000Mah OFNA #10196 or (4) Alkaline., 
Alkaline type batteries will work, but braking will be reduced and 30 minute life.  The 
best for car, is to use a 5 cell hump receiver pack for increased voltage and longer 
life..

Recommended Option:
You may want to upgrade the car battery pack to a Ni-Cad or NiHm 5 cell 
type(600AE).  This will give more run time. OFNA #10212 1000NiMh Hump Pack and 
NiHm  Battery Charger #10214

You will need to buy a few items to start the engine and run the car.
• Use 20% nitro CAR fuel.  Do not use airplane or heli fuels, they will 
over heat engine.

• Buy LONG glow plugs, like OFNA/PICCO Plug (#51007).  Use plugs 
without idle bar.  Do NOT use plugs, like the MC-59 or OS-8

In your box you will find..
• #10163 -  Bottle, spout top
• #10218 -  Red “C” size glow heater

#10212 NiHm  Hump Pack,
see charger 10214.

10214

Over-nite

Charger

Summary of Contents for 9.5 MBX

Page 1: ...OFNA Racing 22692 Granite Way Ste B Laguna Hills Ca 92653 949 586 2910 Www ofna com RTR Instruction Manual...

Page 2: ...will work but braking will be reduced and 30 minute life The best for car is to use a 5 cell hump receiver pack for increased voltage and longer life Recommended Option You may want to upgrade the car...

Page 3: ...ins Methanol and Nitro Methane and is healthy flammable and poisonous Glow Fuel Store fuel in cool ventilated location Refer the glow fuel Glow fuel is poisonous Glow fuel is flammable label for addit...

Page 4: ...the switch Transmitter Retract the antenna Transmitter 11 11 12 13 NON RTR OR PRO KITS REQUIRED FOR OPERATION Bottle s with spout 10160 large 500cc 10161 large 500 ccAuto Stop 10162 small 250cc 10164...

Page 5: ...TS 1 3 2 PLASTIC PARTS 40015 ARM HOLDER PLASTIC PARTS 40027 WING SUPPORT PLASTIC PARTS 40013 40048 FRONT BUMPER BATTERY HOLDER PLASTIC PARTS 36901 Front Knuckles Pivot Ball 40202 Front and Rear Lower...

Page 6: ...S 40031 SERVO SAVER PLASTIC PARTS 40047 RECEIVER BOX PLASTIC PARTS 40040 CENTER DIFF MOUNT PLASTIC PARTS 40046 STONE GUARD PLASTIC PARTS 40018 40029 CHASSIS BRACE PLASTIC PARTS 40056 SHOCK ABSORBER PL...

Page 7: ...e servo same as shown A B C Full brake arm position Spring compresses forward and brake rods pull brake levers Full throttle arm position Spring rod pulls throttle barrel open and brake rods release p...

Page 8: ...4 Diff Gear Small Builds one differential for Center 40002 41T Large Bevel Gear 40002 41T Large Bevel Gear OPTION 49032 43T Large Bevel Gear must use 13t pinion 40011 Diff Gasket 40011 Diff Gasket 3x1...

Page 9: ...older Front 90026 5x5mm Set Screw 36730 Cap Joint 36730 Cap Joint 1 40015 Front Lower arm Holder Rear Plastic 40015 Front Upper arm Holder Rear Plastic 4x16mm Flat Head Tapping Screw 4x16mm Flat Head...

Page 10: ...bly of the right and left hand side are the same Assembly of the right and left hand side are the same Use 5mm hex wrench 36904 14mm Alum Nut 36905 Steering Ball Washer 36903 14mm Steering Ball 36052...

Page 11: ...RMS 40023 Lower Arm Shaft 4mm 90021 3mm E Ring 90021 3mm E Ring 90020 2 5mm E Ring 90020 2 5mm E Ring 36170 3mm Arm Shaft Insert the drive shaft into the cap joint before assembly Assembly of the righ...

Page 12: ...Box 1 5 2 3 90026 5x5mm Set Screw 36730 Cap Joint 40025 Rear Lower Arm Holder 0 Degree 35314 4mm Nylon Nut 4 x 15mm Tapping Screw Small Head 6 35314 4mm Nylon Nut 2 90026 5 x 5mm Set Screw 1 36053 8X...

Page 13: ...w 30701 3x3 Set Screw 40019 Stabilizer 3x10mm Flat Head Tapping Screw 40018 Stabilizer Mount Plastic 40013 Front Bumper 40064 Chassis 4x16mm Flat Head Tapping Screw 4x16mm Flat Head Tapping Screw 3034...

Page 14: ...re assembly 3x20 Tapping Screw 3x20 Tapping Screw 40027 Wing Stay Left 40027 Wing Stay Right 40027 Wing Mount 40027 Wing Mount 40027 Wing Stay Post 3x12mm Tapping Screw 4x15mm Tapping Screw Small Head...

Page 15: ...c Rod End 40018 Upper Arm Plastic Rod End 16mm 90026 5mm Set Screw 40245 8mm Wheel Hub 36055 2 5x17mm Pin Make sure the pivot ball move smooth 36081 Rear Wheel Axle Shaft 31304 Pivot Ball rear Hub 360...

Page 16: ...2 90019 3 X 25mm Cap Screw 2 35313 M3 Nylon Nut 2 30701 3 x 3mm Set Screw 2 30701 3 x 8mm et Screw 2 40029 Stabilizer Ball End 40029 Stabilizer Ball End 30401 6mm Ball End 3x20mm Screw 3x20mm Screw 3...

Page 17: ...n C 4x8mm Plastic flange Bushing 40037 Steering Plate Hex Screw 40037 Steering Plate Hex Screw 40035 Servo Saver Alum Axle Tube 40031 Servo Saver Horn B 40033 Servo Saver Spring 40034 Servo Saver Spri...

Page 18: ...0 Steering Ball End 35313 3mm Nylon Nut 40039 3mm Tapper Washer Alum 40039 3mm Tapper Washer Alum 3x15mm Flat Head Screw 3x15mm Flat Head Screw ASSEMBLY OF THE FRONT STEERING ROD 4x10mm Screw 2 3 x 12...

Page 19: ...40045 Brake Pad Adjustment Screw 40043 Center Diff Mount Post 40040 Break Disc Holder 40040 Brake Disk Holder 40040 Brake Disc Holder 40040 Center Diff Mount 40040 Center Diff Mount 40040 Center Diff...

Page 20: ...crew 40031 Fuel Overflow Proof Plate 30213 Brake Cam 30211 Plastic Bushing Option 30212 5X8mm Ball Bearing 40096 Center Diff Plate Orange 30171 Brake Lever 30171 Brake Lever 2 30171 Brake Lever 3x10mm...

Page 21: ...ace Front 3x12mm Screw 4x16mm Flat Head Tapping Screw 4x16mm Flat Head Tapping Screw 2 6x10mm Flat Head Tapping Screw 2 6x10mm Flat Head Tapping Screw 35313 3mm Nylon Nut 1 3 x 12mm Tapping Screw 3 3...

Page 22: ...iver Box 40047 Receiver Box Cover 40047 Receiver Box 2x10mm Tapping Screw 40898 2x25mm Screw Receiver Battery Case Provided by Radio 30560 Antenna Pipe 3 x 10mm Tapping Screw 1 3x10mm Screw 2 x 25mm S...

Page 23: ...3x10mm Tapping Screw 3x10mm Tapping Screw 3x10 Tapping Screw 3x10 Tapping Screw Take the servo post from servo saver plastic part tree ASSEMBLY OF THE RADIO TRAY 3 x 10mm Flat Head Tapping Screw 8 3...

Page 24: ...rge hole 10329 Brass Corn sml hole 30481 3 x 20mm Hex Screw 30481 3 x 20mm Hex Screw 30481 3 x 20mm Hex Screw 30480 Engine Mount 10398 12T 10399 13T 10400 14T stock 10401 15T 10402 16T 10403 17T 10404...

Page 25: ...hole Size 3 5mm in the place and align as shown Use a two part epoxy glue to full seal the nipple base to the nipple 3x20mm Cap Screw Note Book Paper Use note book paper to set gear backlash between s...

Page 26: ...this hole ASSEMBLY OF THE BRAKE LINKAGE 3x3mm Set Screw 3x3mm Set Screw 3x3mm set screw 10300 Alum Stopper 10300 Alum Stopper Throttle Slider 2mm Rod Plastic Collar Throttle Spring 30530 Throttle Bal...

Page 27: ...same as shown Snap On Tighten Less Brake Loosen More Brake Tighten Loosen Tighten or loose the adjuster nut will change the brake ALIGN THROTTLE SERVO AND BRAKE SAME AS SHOWN Brake is not on Engine a...

Page 28: ...Short Shaft Long shaft for rear down UP Be careful not to damage shock shaft Short shaft for front Make a PAIR for rear 4 Assembly the dust cover Cut 6mm for front 40060 2 5mm Nylon Nut 32235 Shock Pi...

Page 29: ...R ASSEMBLY OF THE REAR SHOCK ABSORBER Assembly of the right and left hand side are the same Assembly of the right and left hand side are the same M3 Nylon Nut 2 M3 Nylon Nut 2 3 x 20mm Cap Screw 2 3 x...

Page 30: ...es for mounting 3x12mm Screw 40027 Countersunk Plastic Washer OPTION 40027 CNC Alum Countersunk Wing Washer Orange Upper Deck Of The Wing 40084 Wing Yellow 40083 Wing White 40084 Wing Yellow 40085 Win...

Page 31: ...es lower Uncsrewing the 4x10mm set screw Ride height becomes higher 1 2 3 1 2 3x12mm Screw 3x12mm Screw 3x12mm Screw 3x12mm Screw FOR A STICK PACK BATTERY 40048 Stick Pack Battery Holder 5 Cell 10211...

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Page 35: ...ct with 12V battery Note the direction of the starter Rubber wheel turns engine flywheel 12V Starter To start the engine use hand held starter motor or starter box 10250 Starter Box ENGINE BREAK IN AN...

Page 36: ...th 1 8 clockwise turns slowly leaner until the top speed good Check engine temp if possible for no more 250 degrees Adjust barrel stop so it will not close accept for a small gap This gap will be the...

Page 37: ...APPENDIX PAGES...

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