:8 SCALE GAS POWERED OFF-ROAD BUGGY ULTRA MBX PIVOT BALL KNUCKLE ARM TYPE INSTRUCTION MANUAL PLEASE READ INSTRUCTIONS CAREFULLY BEFORE ASSEMBLING THIS MODEL. KEEP THIS MANUAL FOR PARTS NUMBERS WHEN ORDERING. SPECIFICATION ARE SUBJECT TO CHANGE WITHOUT NOTICE.
REQUIRED FOR OPERATION THINGS NEEDED 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 buy hot plugs, like the MC-59. In your box you will find..
READ THIS BEFORE RUNNING Running a nitro kit is fun and easy, but to make this a safe 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. 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.
ASSEMBLY OF THE THROTTLE LINKAGE SYSTEM #30800 #30530 Plastic Throttle kit Plastic Throttle Ball Joint 3X3mm Set Screw * Snap On. 3X3mm Set Screw 2mm Rod Throttle Spring #10300 3X3mm Set Screw Alum.Stopper Fuel Tube ( 6mm ) #10300 Alum.Stopper * Align throttle servo same as shown. Plastic Collar * Take the plastic collar from brake system plastic parts. Brake Idle Position Place battery pack in a plastic bag before securely tie wrap pack to radio plate.
INSTALLATION OF THE TIRES AND WHEELS * use spring clips to adjust spring Tension if needed. Front Knuckle Arm Assembly Wheel Nut Notic direction of the tire. Rear Hub Assembly Wheel Nut Notice direction of the tire. ASSEMBLY OF THE BATTERY Antenna wire Antenna pipe Insert 8 pcs AA batteries into transmtter. *Tighten the strap and cut off the excess.
SHOCK ASSEMBLY 2.6mm Nut * Fit into groove. 2.6 x 5mm Washer Oil Seal 2mm Washer 1mm Washer Piston *Push onto shock cylinder. 32203 Dust Pusher, Short (Yellow Rubber) 32237 Rebuild Kit 32205 Dust & Shaft Protector, long 7mm E-Ring * Note the E-Ring must fit into groove as shown. Shock Shaft 32292 Front. 3.5mm Short Shaft 32051 6mm Ball End * Short shaft for front. * Assembly 4 pieces of the shock shaft . 30671 Front Shaft, 3.5mm with Piston * Long shaft for rear. 32236 Rear, 3.
ASSEMBLY OF NEW “K” STYLE DIFFERENTIAL CASE AND GEARS 31324 - FRONT OR REAR DIFF UNIT 31325 - CENTER DIFF UNIT 30769 Diff. Bevel Gear ( Large ) 30779 4 x 10mm Washer 30771 Diff. Shaft 30779 2 x 12.8mm Pin 30769 Diff. Bevel Gear ( Small ) 30769 Diff. Bevel Gear ( Small ) 30773 4mm Cross Pin 30779 4 x 10mm Washer 30779 P5 O-Ring ( Orange ) 30773 4mm Cross Pin 30779 0.5 x 26mm O-Ring * Position the O-ring as shown. 30769 Diff. Bevel Gear ( Small ) 30779 4 x 10mm Washer NB.
ASSEMBLY OF THE SPUR GEAR * Notice the tapered holes are for the center diff. Only. 31040 Bevel Gear ( Large ) M3 Nylon Nut 3 x 10 mm Flat Head Screw 30111 3x10mm Flat Head Screw & Nuts ASSEMBLY OF THE CENTER DIFF. MOUNT 30620 7 x 19x 5mm Bal lbearings 30170 Brake Joint 30620 7 x 19x 5mm Bal lbearings 30200 Center Diff. Housing ( Rear ) 30170 Brake Joint Screw Cement 90026 5 x 5mm Set Screw 30200 Center Diff.
ASSEMBLY OF THE CENTER DIFF. AND BRAKE CAM 3 x 3mm Set Screw 3 x 10mm Tapping Screw Screw Cement 30171 Brake Lever 30210 Brake Cam * Notice: The direction of the brake cam. 30210 Brake Cam 30651 Center Plate 30212 option, ball Bearing, 2 pcs. 30211 Plastic Bearing 30211 Plastic Bearing * Take the plastic bearing from 30800 brake system plastic parts. 30171 Brake Lever 3mm * Leave 3mm distance between brake cam and nut. ew t Scermen C 0.
ASSEMBLY OF THE GEAR BOX ( Assemble two gear boxes for front and rear. ) * Place set screw in D cut. 2 30010 Gear Box 1 5 x 5mm Set Screw Screw Cement 30630 6 x 13 x 5mm Ball Bearing 30130 Bevel Gear 36730 Cap Joint * Insert two ball bearings as shown. 30630 6 x 13 x 5mm Ball Bearing * Make two gear boxes for front and rear. 3 30010 Gear Box 4 x 20mm Flat Head Tapping Screw Front Diff.
ASSEMBLY OF THE FRONT ARM HOLDER 4x10mm Tapping Screw The gear box after assembled. 3 x 20mm Flat Head Tapping Screw 4 x 15mm Tapping Screw ( Small Head ) 1 0 1 0 4 x 15mm Tapping Screw ( Small Head ) 4 x 10mm Tapping Screw ( Small Head ) 30160 Front Lower Arm Holder 36901 Ball Type Knuckle Arm ( Right and Left ) ASSEMBLY OF THE FRONT PIVOT BALL KNUCKLE ARM Assembly of the right and left hand side are the same. * Adjust alum. Nut to keep steering ball smoot.
ASSEMBLY OF THE REAR SHOCK TOWER 30330 Rear Shock Stay 3 x 20mm Flat Head Screw 30340 Stabilizer Bar 30351 Rear Lower Arm Holder * Insert stabilizer before assembly of the shock stay. * Don't overtighten tapping screw. 4x16mm Flat Head Tapping Screw 90026 3mm E-Ring Assembly of the right and left hand side are the same. 30151 Arm Shaft (Long) * A 4 x 10mm set screw is used to adjust the ride height. 4 X 10mm Set Screw * Approx 3mm.
ASSEMBLY OF THE REAR HUB * Builds two upper Rods for left and righthand-side. 36054 Rear Hub 34010 9mm Upper Arm Ball End 36053 8 x 16 x 5 Ball Bearings 34011 5 x 45mm Hex Screw 36082 Rear Wheel Axle Shaft 36053 8 x 16 x 5 Ball Bearings 36690 Arm Ball End 34010 9mm Ball & socket 36850 7mm Ball 36055 2.5 x 17mm Pin 36054 Wheel Hub ( Alum. ) 35mm 0 10 Assembly of the right and left hand side are the same. 30 40 50 mm Assembly of the right and left hand side are the same.
3 x 20mm Cap Screw ASSEMBLY OF THE REAR UPPER ARM ROD Assembly of the right and left hand side are the same. 4 x 20mm Flat Head Screw 3 x 20mm Cap Screw Screw Cement 4 x 20 mm Flat Head Screw 4mm Nylon Lock Nut S Cecrew me nt * Insert into rear hub.
ASSEMBLY OF THE WING SUPPORTER ONTO THE SHOCK TOWER 3 X 25mm Cap Screw 4 x 15mm Tapping Screw 4 x 15mm Tapping Screw M3 Nylon Locknut Wing Stay Assembly 3 x 25mm Cap Screw rew nt Sceme C rew nt Sceme C * Insert 3mm nylon lock Nut into win stay.
ASSEMBLY OF THE FRONT GEAR BOX ONTO CHASSIS 1 0 R 34040 Chassis * Insert the front bumper before assembly. 30240 Front Bumper 4 x 16mm Flat Head Tapping Screw * A 3 x 10mm flat head screw are for servo post. 3 x 10mm Flat Head Screw 3 x 10 mm Flat Head Screw 4 x 16mm Flat Head Tapping Screw 4 x 16mm Flat Head Tapping Screw ASSEMBLY OF THE CENTER DRIVE SHAFT Center Diff. Assembly 34050 Center Drive Shaft (Front) * Insert drive shaft into cap joint.
ASSEMBLY OF THE GEAR BOX ONTO CHASSIS 4 x 16mm Flat Head Tapping Screw 3 x 25mm Flat Head Tapping Screw 34050 Center Drive Shaft (Rear) * Insert drive shaft into cap joint. 4 x 16mm Flat Head Tapping Screw 3 x 25mm Flat Head Tapping Screw ( 2 Pcs ) 4 x 16mm Flat Head Tapping Screw R ASSEMBLY OF THE STONE GUARD Assembly of the right and left hand side are the same.
ASSEMBLY OF THE CLUTCH INTO ENGINE Notes: Non-Pull Start Engines... • Alum. Washer behind the flywheel is not needed when using Force engines or similar types. O.S. Engines will require washer spacer. 3 x 5mm Screw • To check!..place the brass corn against the engine bearing, then flywheel. You should be covering one or two thread of the engine shaft. If this is the case, you do not need an additional washer behind the flywheel. 3 X 8mm Washer You must cut the engine shaft if too long.
INSTALLATION OF THE FUEL TANK AND ENGINE ONTO CHASSIS Note Book Paper 3 x 15mm Screw 30280 Fuel Tank Pressure Nipple Fuel Nipple *Use note book paper to set gear backlash between spur gear and clutch bell gear. If the space is not correct the spur gear will be damaged. 3 x 15mm Screw Spur Gear 90 degree Clutch Bell 3 X 20mm Cap Screw 30288 Plastic Post * Loose or tighten 3x20mm cap screw and 5x10mm hex screw to align spur gear and clutch bell gear to 90 degree.
ASSEMBLY OF THE FUEL TUBE * Connect to fuel tank pressure nipple. * Connect to carburetor. Fuel Tube * Connect to press nipple. * Connect to fuel nipple. ASSEMBLY OF THE RADIO TRAY AND SERVO 3 x 10mm Tapping Screw 3 x 10mm Tapping Screw 3 x 10 mm Flat Head Screw 34060Radio Tray 3 x 10mm Tapping Screw 30520 Radio Tray Post, Aluminum 34031 Radio Tray Post, Nylon Radio Tray Post ASSEMBLY OF THE BRAKE SYSTEM ( Use 30800brake system plastic parts set.
ASSEMBLY OF THE SERVO AND REAR STIFFENER 3 x 10mm Tapping Screw 3 x 10mm Screw 3 x 10mm Tapping Screw 3 x 10mm Tapping Screw 34070 Rear Stiffener Throttle Servo Steering Servo Scre w Cem ent * Arrange the servo wire under the radio tray. 3mm Flange Nut 34031 Nylon Post 34020 Servo Mount 34020 Servo Mount 3 x 10mm Tapping Screw * Use the screw provided with your radio. 30172 2mm Rod 34030 Receiver Box * Put the receiver into receiver box. * Use the screw provided with your radio.
ASSEMBLY OF THE RADIO TRAY ONTO CHASSIS 3 x 10mm Flat Head Tapping Screw 3 x 10mm Tapping Screw *Push A-56 into antenna post. 3 x 10mm Tapping Screw 30560 Antenna Tube * Insert 2mm brake rod through brake lever. 3X10MM Flat Head Tapping Screw 3X10MM Flat Head Tapping Screw 3X10MM Flat Head Tapping Screw ASSEMBLY OF THE BATTERY CASE Large Strap * Fasten the receiver and receiver and receiver battery to the radio plate with largest strap. * Use small strap to tie the switch wire.
ASSEMBLY OF THE THROTTLE LINKAGE SYSTEM (Part of 30800 linkage kit) 30530 Throttle Ball Joint 3X3mm Set Screw * Snap On. 3X3mm Set Screw 30172 2mm Rod Throttle Spring 3X3mm Set Screw 10300 Alum.Stopper Fuel Tube ( 6mm ) 10300 Alum.Stopper #158 Alum.Stopper Plastic Collar * Align throttle servo same as shown. * Take the plastic collar from brake system plastic parts.
ASSEMBLY OF THE FRONT STEERING ROD 30411 6mm Ball & Socket 30402 3 X 30mm Tie Rod #154 6mm Ball End 20mm 0 10 20 30 40 50 mm 30411 6mm Ball & Socket 3x12mm Screw 30410 6mm Ball End 3x12mm Screw 3x10mm Tapping Screw 30660 Front Stiffener * Align the steering servo as shown.
ASSEMBLY OF THE FRONT AND REAR SHOCKS ONTOTHE SHOCK STAY Assembly of the right and left hand side are the same. Plastic Washer 30403 6mm Ball Joint 3 x 8mm Washer rew t Scemen C 3mm Nylon Lock Nut Rear Shock * Insert shock ball end into arm. 3 x 15mm Screw 3 x 15mm Screw Assembly of the right and left hand side are the same.
ASSEMBLY OF THE TIRES, FOAM INSERTS AND WHEELS - Red White Lime Yellow #86091 Mini XX- Pin Tire R #86044 #86045 #86046 #86047 17mm 5-Star Wheels Front Knuckle Arm Assembly #15071 17mm Wheel Nuts Always use tire foam donut when building tires. IN ST GL ANT UE Foam T TAN INS LUE G * Apply instant glue into the groove of the wheel. Rear Hub Assembly #81091 - Med/soft #81092 - Med. WE RECOMMEND CA GLUE FOR RUBBER TIRES.
PAINTING TIPS For BUGGY STEP 1 Wash the inside of the body with detergent to remove any oil and dirt. Dry with lint free towel or a hair dryer. (Keep your hand clean.) STEP 2 Tools required are: Curved scissor, hobby knife and a quality masking tape. These can be purchase at your local hobby supplier. STEP 3 Use the curved scissors to trim the body to the guide lines provided on you body shell. STEP 4 Use masking tape on the inside of the body to mask out your design and windows prior to painting.
ENGINE BREAK-IN AND TUNNING (BREAK-IN THE ENGINE BEFORE DRIVING THE CAR!) • Choose a wide clear outdoor location with low dirt and dust. • Set the car on box or holder with wheels off the ground. • Turn on radio and car. Make sure throttle is at idle position. • Fill fuel tank and set master engine needle. • Prime fuel line and Heat glow plug before pull starting engine. • When started, let engine fast idle for two tanks of fuel.
0 1:1 SCREW SHEET 10 20 30 40 50 mm 3 x 5mm Cap Screw 3 x 3mm Set Screw 3 x 10mm Cap Screw 3 x 5mm Set Screw 3 x 8mm Set Screw M3 Nut M4 Nut 3 x 12mm Cap Screw 3 x 10mm Set Screw 3 x 15mm Cap Screw 3 x 20mm Cap Screw 3 X 25mm Cap Screw 3 x 5mm Tapping Screw M3 Nylon Locknut 3 x 15mm Set Screw M4 Nylon Kocknut 4 x 4mm Set Screw 4 x 10 mm Set Screw M3 Flange Nut ( Steel ) 5 x 5mm Set Screw 2 X 6mm Washer 3 x 8mm Tapping Screw 2 x 4mm Screw 2mm X 7mm Washer 3 x 10mm Tapping Screw 2 x 5mm S
