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  3. Motorized Toy Car
  4. Ultra LXComp
  5. Instruction Manual

Ofna Racing Ultra LXComp Instruction Manual

Summary of Ultra LXComp

  • Page 1

    Instruction manual ultra lx comp2 rev:01 • new arms design • new bumper • uses less ”e” clips • 12mm x-1 racer shocks.

  • Page 2

    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 91009 curved scissors $5.95 knife 10239 instant cement cross wrench #17...

  • Page 3: Failure to Not Read And

    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...

  • Page 4

    Checking engine throttle * insert into transmitter. 1. Insert aa batteries into transmitter (8 pcs). 2.Turn on transmitter. 3.Turn on receiver. 4.Center throttle trims as shown . A b c 1. Pull full throttle. 1. Push trigger to full brake position. 2. Adjust alum. Stopper to increase or decrease the ...

  • Page 5

    * put the differential gears same as picture shown. 30901 cap joint 30620 x19x6mm ball bearings 30751(fro nt/rear) 30761(center) diff. Case 30779 p5 o-ring 30779 2x12.8 30779 2x12.8 30779 p5 o-ring 30751(front/rear) 30761(center) diff. Case 94034 set screw 30779 0.5x26mm o-ring *apply diff. Gear gre...

  • Page 6

    30911 break cap joint 30620 7x19x6mm ball bearings 30620 7x19x6mm ball bearings 30761(center) 30751(f/r) diff. Case 30779 2x12.8 30769 diff. Gear (large) 30779 2x12.8 30779 p5 o-ring 30761(center) 30751(f/r) diff. Case 94034 set screw 30779 0.5x26mm o-ring *notice the tapered holes are for the cente...

  • Page 7

    *notice the tapered holes are for the center diff. Only. 35313 nylon nut 31040 51t spur gear 30111 3x10mm flat head hex screw 30201 center diff. Mount (front) 30201 center diff. Mount (rear) 35313 m3 nylon nut x4 x4 x4 30111 3x10mm flat head hex screw center differential assembly assembly of the spu...

  • Page 8

    94005 3x15mm hex screw 94005 3x15mm screw 36660 brake pad 36661 brake pad linings 36650 brake disk steel 36650 brake disk steel 0.5mm *leave a 0.5mm space between brake disk and brake pad. 30211 plastic bushing 30212 ball bearing 30213 brake cam 30652 center diff. Plate 94004 3x12mm hex screw 30211 ...

  • Page 9

    30121 3x4x4mm chromed tube 30121 3x5mm hex screw 30120 bevel gear (large / metal) *push 3mm tubes into the holes of the diff. Case. 36730 cap joint 94036 5x5mm set screw 30630 6x13x5mm ball bearing 30010 gear box 30630 6x13x5mm ball bearing 30130 bevel gear (small) 34021 front upper arm holder 94010...

  • Page 10

    X2 x2 90026 5x5mm set screw 36055 2.5x16.8mm pin assembly of the front upper arms assembly of the knuckle arms assembly of the front lower arms 40104 10mm ball and socket 36860 5x35mm 36860 5x35mm 40104 10mm ball and socket 34034 front upper arm ball end 34034 front upper arm (right) 34034 front upp...

  • Page 11

    X2 30151 4mm arm shaft 30152 3mm arm shaft x4 x2 assembly of the right and left hand side are the same. Assembly of the front arms 40104 4x16mm cap screwl 90020 2.5mm e-ring 90020 2.5mm e-ring 30152 3mm upper arm shaft 40104 4x16mm cap screwl 3mm e-ring 90021 3mm e-ring 30151 4mm arm shaft 90021 3mm...

  • Page 12

    94002 3x8mm screw x2 x2 3x8x0.8mm washer 94002 3x8mm button screw 3x8x0.8mm washer 30341 stabilizer ball 30403 6mm ball 40029 stabilizer ball end 40029 stabilizer ball end 34035 m3x8mm set screw 94006 3x18mm screw 34035 m3x8mm set screw x2 x2 a b 94033 m3x3 set screw x2 94033 m3x3 set screw * cut th...

  • Page 13

    94022 3x18mm flat head hex screw x2 94022 3x18mm flat head hex screw 94029 4x25mm flat head hex screw x2 94029 4x25mm flat head hex screw x2 x2 x1 94027 4x16mm flat head hex screw 94027 4x16mm flat head hex screw 94019 3x10mm flat head hex screw 94019 3x10mm flat head hexscrew set triangle marks in ...

  • Page 14

    30151 4mm arm shaft 36170 3mm arm shaft 40028 driver shaft (93mm) e « ¬ ¦ © 90021 3mm e-ring 90021 3mm e-ring 34035 plastic washer 34035 plastic washer 36081 wheel rear hub 36053 8x16x5mm ball bearings 36053 8x16x5mm ball bearings 90026 5x5mm set screw x4 x4 x2 x2 x2 x2 x2 90021 3.0mm e-ring 36850 7...

  • Page 15

    94022 3x18mm flat head hex screw 94023 3x20mm flat head hex screw x4 35313 m3 nylon nut x2 x2 30270 wing stay (left) 30270 wing stay (right) 10290 3mm alum. Washer 10290 3mm alum. Washer 94022 3x18mm flat head hex screw 94022 3x18mm flat head hex screw 94023 3x20mm flat head hex screw 94023 3x20mm f...

  • Page 16

    X2 94006 3x18mm hex screw 94003 m3x10mm hex screw 30540 front plate 30380 servo saver post 34014 front stiffener 94005 3x15mm hex screw 35318 m3 nylon nut x2 94006 m3x18mm hex screw 36742 servo saver bushing 36750 servo saver connevtor 35313 3mm nylon lock nut 35313 3mm nylon lock nut 36743 6mm e-ri...

  • Page 17

    14. 14. 36100 center drive shaft(front) 94027 4x16mm flat head hex screw 94023 3x25mm flat head hex screw x2 *insert center drive shaft into cap joint center diff. Assembly 94026 4x12mm flat head hex screw x2 94027 4x16mm flat head hex screw x8 94019 3x10mm flat head hex screw x2 assembly of the gea...

  • Page 18

    36100 center drive shaft (rear) 94027 4x16mm flat head hex screw 94023 3x25mm flat head hex screw 94027 4x16mm flat head hex screw 34080 stone guard 34080 stone guide 94027 4x16mm flat head hex screw x4 94023 3x25mm flat head hex screw 94019 3x10mm flat head hex screw x6 94019 3x10mm flat head hex s...

  • Page 19

    94003 3x10mm hex screw x12 94003 3x10mm hex screw 34025 radio tray 94003 3x10mm hex screw 94003 3x10mm hex screw 94003 3x10mm hex screw 94005 3x16mm hex screw 94005 m3x16mm hex screw x2 steering servo throttle servo 94003 3x10mm hex screw 94004 3x12mm hex screw 94004 3x12mm hex screw 94004 3x12mm he...

  • Page 20

    34070 rear stiffener 38120 alum. Fuel tank post x7 94019 3x10mm flat head hex screw 94003 3x10mm flat head hex screw 94003 3x10mm flat head hex screw 94003 3x10mm hex screw x4 94003 3x10mm hex screw 94003 3x10mm hex screw 94019 3x10mm flat head hex screw 94004 3x12mm hex screw 94004 3x12mm hex screw...

  • Page 21

    38280 3x36mm turnbuckle 94004 3x12mm hex screw *use the screw provided with your servo. 10114 5x12mm hex screw 10711 servo horn 3737 6mm ball & socket 37370 6mm ball & socket 94004 3x12mm hex screw 10711 servo horn adapter x2 94004 3x12mm hex screw 40104 4x12mm flat head hex screw x1 40104 4x12mm fl...

  • Page 22

    10330 7mm tapper corn 10330 7mm tapper corn step1 step2 step 6 step 5 fit the flywheel using a cross wrench or 10mm socket. 10040 3 pin flywheel 10098 sg clutch nut *place the clutch shoes with the clutch springs over the 3 pins of the flywheel. *using a phillips screw driver or needle nose pliers a...

  • Page 23

    *connect the air filter connector to the carburetor. 3x8mm hex screw 10017 air filter cap 10016 air filter sponge 10017 air filter mount 10021 air filter connector 10020 nylon strap (small) apply filter oil to the sponge before use. Step1 step2 30800 2x4mm screw 30800 2x7x0.5mm washer 30800 2mm tie-...

  • Page 24

    40090 7mm r-ring 40090 7mm r-ring 40090 2mm washer 40090 2mm washer 40090 1mm washer 40090 1mm washer 40090 3.5mm o-ring 40090 3.5mm o-ring 40090 3.5mm o-ring 40090 3.5mm o-ring 40076(front) shock body 40077(rear) shock body 40059 14.7mm o-ring 40057 spring adjuster 40060 2.5mm nylon nut 40060 2.5mm...

  • Page 25

    35313 3mm nylon nut 40056 plastic bushing * take the plastic bushing from the shock plastic parts tree. * take the plastic bushing from the shock plastic parts tree. 3x20mm cap screw assembly of the front shock absorber assembly of the rear shock absorber 3mm nylon nut 40056 plastic bushing 3x20mm c...

  • Page 26

    40083 wing countersunk plastic washer 14150 body clips *drill two 7mm holes for mounting. 0 5 10 15 20 25 5 10 15 20 25 check the hole spacing on the underside. ¨ Ì ¾ Ú © w - · Á l - i - ± « ü ¥ Ü ¤ Ø ¤ o ° µ ¥ x ¥ ¿ ½ t ¤ Õ ¦ ì . 10179 fuel tube tire and wheel assembly. Assembly of the tire onto fr...

  • Page 27: Addendum Sheets

    Addendum sheets.

  • Page 28: Setting Guide

    Setting guide front camber angle setting rear camber angle setting 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. The camber angl...

  • Page 30

    3 x 8mm washer 3mm nylon locknut 3 x 5mm screw 3 x 20mm cap screw * place the clutch shoes with the clutch springs over the 3 pins of the flywheel. Using a screw driver as a lever, bend the small end of the clutch spring behind the clutch nut and press down to snap shoe in place. * fit the flywheel ...

  • Page 31

    Align throttle servo and brake same as shown brake is not on engine at idle ( neutral position ) brake is on brake adjust nut ( braking position ) brake is not on engine at full throttle ( full throttle position ) less brake more brake tighten loose * tighten or loose the adjuster nut will change th...

  • Page 32

    Ofna racing , 7 vanderbilt, irvine, ca. 92618 • tel:(949)586-2910 force 28 pull start engines thank you for purchasing a ofna engine. We appreciate your choice and know you will enjoy running it. Please note that the force information in engine box is subject to change with not notice. Carburetor lo...

  • Page 33

    Force 28 pull start engines 52283 head, tall purple, .28 34.95 52280 head, buttom replacement, .28 29.95 52284 head, shim, .28 1.95 52285 cylinder sleeve and piston, .28 108.95 52286 connecting rod (alum. 7075s) 22.95 52288 crankcase, force .28 39.95 52290 crankshaft, sg, pull start, .28 79.95 52090...

  • Page 34

    • trouble shooting guide problem cause solution fuel line not primed fill fuel tank and pressurize tank by capping exhaust engine will not start glow plug will not heat(lite) check glow plug battery heater or replace plug. Engine flooded, too much fuel check carb. Needle setting. Do not over prime. ...

  • Page 35

    Ultra lx comp rtr parts no.# description retail 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. 24.95 10015 oil, foam air filter, 30cc 2.95 10016 foam, replacement...

  • Page 36

    30630 bearing, 6 x 13mm, 12 pcs. (wheel hubs) 59.95 30631 bearing, 6 x 13mm, 2 pcs. 10.95 30632 sealed bearing, 6 x 13mm, 12 pcs. 66.95 30652 center mount plate, all ultra's 6.95 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,...

  • Page 37

    36081 rear up-right, 8mm axles, 2 pcs. 12.95 36082 axles, rear, 8mm axles, 2 pcs. 10.95 36100 center dog bones, set 16.95 36152 front universal joints, 9.5 & ravager pair 39.95 36170 rear arm pins, 3mm 4 pcs. 7.95 36620 spacer, shock tower 3.95 36650 brake disk, stainless steel, 2 pcs. 7.95 36660 br...

  • Page 38: Blank

    Blank.

  • Page 39: Owner’S Registration Card

    Racer’s name tel:( ) address city state zip dealer’s name tel: ( ) address city state zip ofna racing congratulates you on your purchase of our fine ofna product. With proper maintenance and han- dling this kit will provide many hours of enjoyment. The registration card should be filled out and mail...