Ofna Racing Ultra LX Comp Instruction Manual
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Ofna Racing Ultra LX Comp Instruction Manual

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INSTRUCTION MANUAL
Ultra LX Comp Rev:02

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  • Page 1 INSTRUCTION MANUAL Ultra LX Comp Rev:02...
  • Page 2 REQUIRED FOR OPERATION You will need to buy a few items to start the engine and run the car. THINGS NEEDED • 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-cool or 51008-med).
  • Page 3 MUST READ THIS BEFORE RUNNING Running a nitro kit is fun and easy, but to make this a safe rusting. • 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 Precautions injure someone if you are not careful.
  • Page 4 ASSEMBLY OF THE THROTTLE LINKAGE SYSTEM #30800 #30530 Plastic Throttle Plastic Throttle * Snap On. Ball Joint 3X3mm 3X3mm 2mm Rod Set Screw Set Screw Throttle Spring #10300 3X3mm Set Screw Alum.Stopper Fuel Tube ( 6mm ) #10300 Alum.Stopper * Align throttle servo same Plastic Collar as shown.
  • Page 5 ASSEMBLY OF THE FRONT AND REAR DIFFERENTIAL Step 1 *Builds two differentials for font and rear. 30779 *Notice the straight 2x12.8 holes are for the front and rear only. 30769 Diff. Gear (Large) 30779 30620 7x19x6mm O-Ring Ball bearings 30901 30751(Fro nt/Rear) Cap Joint 30761(Center)
  • Page 6 ASSEMBLY OF THE CENTER DIFFERENTIAL 30769 Step 1 *Notice the tapered Diff. Gear holes are for the (Large) center differential only. 30779 2x12.8 30779 O-Ring 30620 7x19x6mm Ball bearings 30761(center) 30911 30751(F/R) Diff. Case Break Cap Joint 30773 4x27mm Cross Pin 30779 2x12.8mm 30620...
  • Page 7 ASSEMBLY OF THE SPUR GEAR 30111 31040 3x10mm 51T Spur Gear Flat Head Hex Screw *Notice the tapered holes are for the center diff. Only. 35313 M3 Nylon Nut 35313 Nylon Nut 94033 M3x3 Set Screw 30111 3x10mm Flat Head Hex Screw Center differential assembly...
  • Page 8 ASSEMBLY OF THE BRAKE CAM AND CENTER PLATE ASSEMBLY OF THE BRAKE CAM AND BRAKE PADS 94004 30213 3X12mm Brake Cam Hex Screw 30652 Center Diff. Plate 30211 Plastic Bushing 30212 Ball Bearing 94004 3X12mm Hex Screw 30211 Plastic Bushing 30212 Ball Bearing 30211...
  • Page 9 ASSEMBLY OF THE FRONT BEVEL GEARS 30120 *Push 3mm tubes into the Bevel Gear holes of the diff. Case. (Large / Metal) 30121 4x3x3mm Chromed Tube 30121 3x5mm Hex Screw * Builds two differential for front and rear. 30121 3x4x4mm Chromed Tube 30121 3x5mm...
  • Page 10 ASSEMBLY OF THE FRONT UPPER ARMS * Leave 6mm . 40101 36860 Front Upper 5x35mm 40101 Arm Ball End Turnbuckle Front Upper Arm (Left) 36860 5x35mm 40104 10mm Ball and Socket 40101 Front Upper 40101 40104 Arm Ball End Front Upper 10mm Arm (Right) Ball and Socket...
  • Page 11 ASSEMBLY OF THE FRONT ARMS 90020 30151 40104 2.5mm E-Ring 4mm Arm Shaft 4x16mm Cap Screw 90021 30152 3mm E-Ring 3mm Arm Shaft Assembly of the right and left hand side are the same. 90021 E-Ring 30151 4mm Arm Shaft 90021 E-Ring 40102...
  • Page 12 CLIP THE CASTER ADJUSTER IN FRONT UPPER ARM * Change the caster angle by moving the caster adjuster in different place.. 40101 Caster Adjuster (in Arm Parts Bag) Assembly of the right and left hand side are the same. ASSEMBLY OF THE FRONT STABILIZER Note: 3x8mm Hex Screw 34027...
  • Page 13 ASSEMBLY OF THE REAR GEAR BOX 30130 Bevel Gear (Small) Step 1 30630 30010 6x13x5mm Gear Box 5x5mm Ball Bearing Set screw Step 2 * place 5X4 mm set screw in D cut 90026 5x5mm Set screw 30630 6x13x5mm Ball Bearing 36730 Cap Joint ASSEMBLY OF THE REAR SHOCK TOWER...
  • Page 14 ASSEMBLY OF THE REAR WHEEL HUB ASSEMBLY OF THE UPPER ARM ROD *Builds two rear wheel hubs for use. * Builds two upper arms for left and right hand-side. 40065 Upper arm Plastic Rod End 36880 5x60mm 36082 Turnbuckle 36053 Rear Wheel 8x16x5mm Axle Shaft...
  • Page 15 ASSEMBLY OF THE ASSEMBLY OF THE REAR STABILIZER STABILIZER ROD 3x8mm Hex Screw x2 3x8x0.8mm Washer M3x3 Set Screw Stabilizer Rod Assembly 30401 3x18mm Stabilizer Washer 30340 Ball End Stabilizer 30340 3x8x0.8mm 94035 Stabilizer Ball Washer M3x8mm 3x8mm Set Screw Hex Screw 30401 30401...
  • Page 16 ASSEMBLY OF THE SERVO SAVER 36746 36743 E-Ring E-Ring 36740 36740 94006 Servo Saver"A" and" B" 36740 Servo Saver M3x18mm Plastic Set Servo Saver Top Adapter Hex Screw Hom A 36742 Servo Saver 36740 36740 Bushing Servo Saver Servo Saver Horn B Hom A 36741...
  • Page 17 ASSEMBLY OF THE GEAR BOX ONTO CHASSIS * Insert the front bumper before assembly. 34016 Chassis 30240 Front Bumper 94026 4x12mm Flat Head Hex Screw 94023 3x25mm Flat Head 94019 Hex Screw 3x10mm 94023 Flat Head 3x25mm Hex Screw 94027 Flat Head Hex Screw 4x16mm 94027...
  • Page 18 ASSEMBLY OF THEREAR BOX ONTO CHASSIS 94023 3x25mm Flat Head Hex Screw 36100 94027 Center Drive *Insert drive shaft into 4x16mm Shaft (Rear) cap joint before assembly. Flat Head Hex Screw 34041 Chassis 94027 4x16mm Flat Head Hex Screw 94023 94027 3x25mm 4x16mm...
  • Page 19 ASSEMBLY OF THE FRONT SERVO AND RADIO TRAY 34026 Servo Washer 94003 94003 3X10mm 3X10mm Hex Screw Hex Screw 34026 Servo Washer 94003 94003 3X10mm *Put the protection rubber 3X10mm Hex Screw onto your servo. Hex Screw 34026 Servo Mount 34026 Servo Washer 34025...
  • Page 20 ASSEMBLY OF THE RADIO TRAY ONTO CHASSIS 34070 94003 Rear Stiffener 94003 3X10mm 3X10mm Hex Screw Hex Screw 94004 3X12mm Hex Screw 94004 X12mm Hex Screw 94003 3x10mm Flat Head Hex Screw 40109 Fuel Tank 30287 30287 Fuel Tank Fuel Tank Plastic Post Plastic Post 94004...
  • Page 21 ASSEMBLY OF THE ENGINE ONTO CHASSIS 5X12mm Hex Screw 31990 Muffler Assembly 4x12mm Flat Head Screw Washer 35314 M3 Nylon Nut 35314 Nylon Nut 10114 5X12mm 10114 Hex Screw 5X12mm Hex Screw 40104 4x12mm Flat Head Hex Screw ASSEMBLY OF THE FRONT STEERING ROD 3X12mm Hex Screw 37370...
  • Page 22 ASSEMBLY OF THE CLUTCH Step1 Step2 Place the clutch shoes with the clutch springs over the 3 pins of the flywheel. Using a phillips screw driver or needle nose pliers and bend the small end lf the Fit the flywheel using clutch spring behind the a pair of the plIer and pilot shaft #174D or #180D...
  • Page 23 ASSEMBLY OF THE THROTTLE LINKAGE Step 1 30800 Step3 2X4mm 30800 Hex Screw 2X8mm 30800 Hex Screw 2X7x0.5mm 94033 Antenna Pipe Washer 3x3mm Set Screw 30800 30800 Servo Tie-Rod Mount 94033 10768 3x3mm Servo Hom Set Screw 30800 Alum Stopper 30800 94033 Adjust Mount...
  • Page 24 ASSEMBLY OF THE SHOCK Fit the o-ring into groove. 40060 40059 49041 2.5mm Oil Seal Nylon Nut 40076(Front) ( Make 2 for front.) Shock body 40059 14.7mm O-Ring 40090 3.5mm O-Ring 32235 40090 2.6x5mm Shock Piston 3.5mm Washer O-Ring J-47 Shock Plastic * Short shaft 40090...
  • Page 25 ASSEMBLY OF THE FRONT AND REAR SHOCK ABSORBER 3X20mm Cap Screw 35313 M3 Nylon Nut 40056 Plastic bushing 35313 Nylon Nut * Take the plastic bushing from the shock plastic parts tree. Assembly of the right and left hand side Assembly of the right and left hand side are the same.
  • Page 26 ASSEMBLY OF THE WING ASSEMBLY OF THE TIRES AND WHEELS(Right) Apply instant glue into the groove of the wheel. 86082 Comic Tires Check the hole spacing on the underside. Plastic Washer * Notice the direction of the tires. 81092 Inner sponge 86034 Wheel(Right) 14150...
  • Page 27 SETTING GUIDE FRONT CAMBER ANGLE SETTING REAR CAMBER ANGLE SETTING Turnbuckle Turnbuckle Place the model car on flat surface. Raise the chassis to it's maximum clearance before the wheels leave the ground. Adjust the length of the front and rear upper arms so that the wheels are right angle to the ground.
  • Page 29 ASSEMBLY OF THE CLUTCH INTO ENGINE Notes: 3 x 5mm Screw 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. • To check!..place the brass corn against the engine bearing, then flywheel. You should be covering one or two 3 X 8mm thread of the engine shaft.
  • Page 30 ALIGN THROTTLE SERVO AND BRAKE SAME AS SHOWN ( Neutral Position ) Engine at idle ( Braking Position ) Brake is not on Brake is on Brake Adjust Nut ( Full Throttle Position ) Less Brake More Brake Engine at full throttle Loose Tighten * Tighten or loose the adjuster nut...
  • Page 34 ULTRA LX COMP RTR PARTS 10010 SHOES, 3 SHOE TYPE, CARBON BLACK, 3 PCS. 12.95 10011 SHOES, 3 SHOE TYPE, ALUM. CNC BLUE, LITE WEIGHT, 3 PCS. 24.95 10012 SHOES, 3 SHOE TYPE, ALUM. CNC PURPLE, MED. WEIGHT, 3 PCS.
  • Page 35 30700 SCREW/NUT BAG, ULTRA 17.95 30701 HEX SET SCREW, MISC. SIZES 9.95 30702 CAP, HEX SCREW, MISC. SIZES 9.95 30751 DIFF, CASE, FRONT/REAR, K TYPE, REPLACMENT 9.95 30761 DIFF, CASE, CENTER, K TYPE, REPLACMENT 9.95 30769 DIFF GEARS, BEVEL, 4mm SET 11.95 30773 CROSS PIN 4mm, 2 PCS.
  • Page 36 40053 REAR SHOCK, THREADED HARDEN BODY, PAIR 59.95 40054 SHAFTS, FRONT SHOCKS, 2 PCS. 7.95 40055 SHAFTS, REAR SHOCKS, 2 PCS. 7.95 40056 PLASTIC SHOCK PARTS, SET 10.95 40057 ADJUSTERS, SHOCK SPRING, 4 PCS. 20.95 40058 COVERS, SHOCK SHAFTS, SILICONE, 4 PCS. 9.95 40059 SEALS, 14.7mm O-RING, 4 PCS.
  • Page 37 51007 OFNA/ PICCO MED TEMP - 1 pc. 5.95 51008 OFNA/ PICCO HOT TEMP - 1 pc. 5.95 51056 OFNA /PICCO TURBO MED TEMP - 5 PCS. 32.95 51057 OFNA /PICCO MED TEMP - 5 PCS. 29.95 51058 OFNA /PICCO HOT TEMP - 5 PCS. 29.95 HYPER .21 ENGINES (REAR EXHAUST) 53210...
  • Page 38 86031 TIRE, EXCEL, SPECIAL GRIP, PAIR 19.95 86061 TIRE, TRUCK, PAIR 19.95 86062 TIRE, X-EQUALS SPIKE, PAIR 19.95 86071 TIRE, ULTRA PINS W/H, PAIR 19.95 86081 TIRE, "K" TIRE (FUZZIE), PAIR 19.95 86082 TIRE, BONES (46) TIRE, PAIR 19.95 86091 TIRE, XX-PIN SPIKE, PAIR 19.95 86092...
  • Page 39 10100 SPRINGS, 3 SHOE TYPE CLUTCH, MED., GOLD 3+1 PCS. 4.95 10101 SPRINGS, 3 SHOE TYPE CLUTCH, PRO GRAY, 3 PCS. 4.95 10102 SPRINGS, 3 SHOE TYPE CLUTCH, BLACK, 3 PCS. 4.95 10103 SPRINGS, 3 SHOE TYPE CLUTCH, COMP BLACK, 3 PCS. 4.95 10040 3 PIN FLYWHEEL, TAPERED W/SPACER (.21 SIZE)
  • Page 40 10017 AIR FILTER, FOAM, BLUE 5.95 10018 AIR FILTER, FOAM, NEON YELLOW 5.95 10019 AIR FILTER, FOAM, NEON PINK 5.95 10020 1:8 BLK, SILICONE FILTER TUBE, 45 Deg. L SHAPE 4.95 10021 1:8 BLK, SILICONE FILTER TUBE, 90 Deg. L SHAPE 4.95 10027 1:8 YEL, SILICONE FILTER TUBE, 45 Deg.
  • Page 41 10240 DIFF. LUBE, HIGH TEMP ., 35cc (GREEN) 9.95 10270 CLIPS, FUEL TUBING 3.95 10272 S" CLIPS, FUEL TUBING 6 PCS. 3.95 10273 SERVO BAR MOUNTS, NYLON BLUE 3.95 10280 SWITCH COVER, SILICONE , 1 PC 3.95 10290 WASHER, ALUM. SERVO, 3mm 6.95 10291 LINKAGE GUIDES.
  • Page 42 10751 ALUM. CNC L-SHAPE SERVO ARM, BLUE, JR/FU/AIR/HI 6.95 10752 ALUM. CNC L-SHAPE SERVO ARM, PURPLE, JR/FU/AIR/HI 6.95 10753 ALUM. CNC L-SHAPE SERVO ARM, RED, JR/FU/AIR/HI 6.95 10759 INSERTS FOR ALUM. CNC SERVO ARM, JR/FU/AIR/HI, 2 SETS 3.95 HAND TOOLS AND KITS 10309 SLIM LONG TUNING DRIVER 1.95...
  • Page 43 10979 WASHER,COUNTERSINK,4m BLUE 10P 3.95 10980 WASHER,COUNTERSINK,4mPURPLE10P 3.95 10981 NYLOK NUT, 3mm BLUE 10P 5.95 10982 NYLOK NUT, 3mm PURPLE 10P 5.95 10983 NYLOK NUT, 4mm BLUE 10P 5.95 10984 NYLOK NUT, 4mm PURPLE 10P 5.95 10985 NYLOK FLANGE NUT,4mm BLUE 10P 8.95 10986 NYLOK FLANGE NUT,4mmPURPLE 10P...
  • Page 44 10833 HEX WRENCH WITH HANDLE, 7mm NUT(M4) DRIVER (1/4 DRIVE) 11.95 90824 HANDLE, ALUM. WITH SILICONE (RED WITH BLUE COVER) 7.95 90825 TIP, 1/4 HEX WRENCH, 1.5mm 4.95 90826 TIP, 1/4 HEX WRENCH, 2.0mm 4.95 90827 TIP, 1/4 HEX WRENCH, 2.5mm 4.95 90828 TIP, 1/4 HEX WRENCH, 3.0mm...
  • Page 45 10621 TORSEN GEAR MODULE, COMPLETE 79.95 10649 BEARING 8x19mm, 2 PCS. 7.95 10650 TORSEN STEEL COVER, 31mm (NO GEAR SIDE) 12.95 10651 TORSEN SHAFT GEARS, LONG & SHORT, 2 PCS. 12.95 10653 FLAT JOINT CAPS 12.95 10626 TORSEN CASE (BLACK), 3x25mm SCREWS 7.95 10654 TORSEN STEEL SPUR GEAR...

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