1. DL manuals
  2. Ofna Racing
  3. Motorized Toy Car
  4. Ultra LX Pro
  5. Instructions Manual

Ofna Racing Ultra LX Pro Instructions Manual

Summary of Ultra LX Pro

  • Page 1

    1:8 scale gas powered off-road buggy please read instructions carefully before assembling this model. Keep this manual for parts numbers when ordering..

  • 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 curved scissors knife instant cement cross wrench #17109 $3.95 glow plu...

  • 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

    A b c 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 decreas...

  • Page 5

    Insert 8 pcs aa batteries into transmitter. Installation of the tires and wheels front knuckle arm assembly rear hub assembly notice direction of the tire. Notice direction of the tire. Wheel nut wheel nut note: make sure wheel nuts are tight before running your car. Use a 17mm socket wrench to tigh...

  • Page 6

    2. Pull down piston, attach pressure top and shock oil overflow with tissue paper. Shock assembly filling the shocks with oil assembly of the spring 1. Pull down piston and pour oil into shock cylinder. Remove air bubbles by slowly moving piston up and down. 3. Tighten up shock cap. *move slowly. *l...

  • Page 7

    30121 3 x 5mm screw (small head) 30751 diff. Case ( front/rear ) 30761 diff. Case (center ) 30751 diff. Case ( front/rear ) 30761 diff. Case (center ) 30779 p5 o-ring ( orange ) 30779 p5 o-ring ( orange ) 30779 0.5 x 26mm o-ring 30779 2 x 12.8mm pin 30779 2 x 12.8mm pin 30779 4 x 10mm washer 30779 4...

  • Page 8

    Screw cement sc rew ce men t assembly of the spur gear assembly of the center brake cap joint assembly of the brake cam for front assembly of the brake cam for rear 31040 spur gear, steel 35314 m3 nylok nut 30111 spur gear mount hardwares 30111 3x10mm screws 30111 3x10mm screws note case direction f...

  • Page 9

    31020 brake disc. 31020 brake disc. Assembly of the center diff. Mount 30201 center diff. Mount 30201 center diff. Mount 3x15mm screws 3x15mm screws 30180 brake pads 30180 brake pads 30180 brake pads 30180 brake pads note: adjust brake pads for a o.5mm gap. If gap is to big, the lever not move enoug...

  • Page 10

    Assembly of the gear box ( assemble two gear boxes, front and rear. ) 90026 5 x 5mm set screw 30630 6 x 13 x 5mm ball bearing 30630 6 x 13 x 5mm ball bearing the pinion gear is held in place by two bearings. 30082 cap joint 30130 pinion gear, harden steel screw cement 1 2 30010 gear box scr ew cem e...

  • Page 11

    36620 front shock tower * insert front anti-roll bar before assembling shock tower. 4 x 16mm flat head tapping screw 30160 front upper arm holder assembly of the front shock tower 4 x 16mm flat head tapping screw 30700 3 x 20mm flat head tapping screw 30160 front lower arm holder 30700 4 x 15mm tapp...

  • Page 12

    0 10 20 30 40 50 mm assembly of the front knuckle arm assembly of the front upper arms and front lower arms 30090 front upper arm m3 nut 30092 9mm steering ball 30092 9mm steering ball 30101 shock end plate 3 x 12mm screw 30090 front lower arm 30091 steering stop block 30260 5x30mm set screw 30090 f...

  • Page 13

    0 1 assembly of the right and left hand side are the same. Assembly of the right and left hand side are the same. 30102 front body post * cut the sharded area as shown. 3x8mm tapping screw 90021 3mm e-ring 90021 3mm e-ring 90021 3mm e-ring 90021 3mm e-ring 30151 4mm upper arm rod 30061 4x25mm flat h...

  • Page 14

    Assembly of the right and left hand side are the same. * builds two upper rods for left and right hand-side. 36690 7mm plastic arm ball end 36690 7mm plastic arm ball end 36880 5x60mm turnbuckle 36850 7mm ball 0 10 20 30 40 50 mm * anticlockwise mark. 35mm * settled screw on d cut. Assembly of the r...

  • Page 15

    Assembly of the right and left hand side are the same. 90021 3mm e-ring 90021 3mm e-ring 90021 3mm e-ring 30151 arm shaft (long) 30351 rear wheel toe-in adjuster 1 degree 1.5 degree * set triangle marks in the direction shown in fig.1. Fig.1 * don't over tighten tapping screw. 36810 rear shock tower...

  • Page 16

    Assembly of the right and left hand side are the same. * insert rear drive shaft before assembly. 35314 3mm nylon lock nut 90019 3 x 25mm cap screw * insert into rear hub. 90018 3 x 25mm cap screw 36610 shock support assembly of the rear upper arm rod 90018 3 x 25mm cap screw 90019 3 x 25mm cap scre...

  • Page 17

    Assembly of the wing support 3 x25mm tapping screw 3 x25mm tapping screw 3 x 20mm tapping screw 3 x 20mm tapping screw 30271 wing support 30270 wing support 30271 wing support 30270 wing support 30270 plastic post 3 x 25mm tapping screw 3 x 20mm tapping screw 3 x 25mm tapping screw 3 x 20mm tapping ...

  • Page 18

    Assembly of the servo saver 3 x 15mm screw 36742 servo saver bushing 36742 servo saver bushing 36750 servo saver connector 3mm nylon lock nut 3mm nylon lock nut 36743 6 mm e-ring 35314 m3 nylon locknut 30700 3 x 15mm screw 36740 servo saver kit 36743 6mm e-ring 36743 6mm e-ring 36743 6mm e-ring 3674...

  • Page 19

    0 10 20 30 40 50 mm 3 x 20mm flat head screw 3 x 20mm flat head screw 3 x 15mm screw 3 x 25mm screw 3mm flange nut ( steel ) front steering rod ( right ) front steering rod ( left ) 34049 center chassis brace ( front ) 3x12mm screw assembly of the front plate and steering rod 3 x 10mm tapping screw ...

  • Page 20

    34041 chassis 5 degree kickup hard coated assembly of the gear box onto chassis 3 x 10 mm flat head screw 4 x 16mm flat head tapping screw * insert the front bumper before assembly. 30240 front bumper 4 x 16mm flat head tapping screw 3 x 10mm flat head screw * a 3 x 10mm flat head screw are use for ...

  • Page 21

    3 x 10mm flat head screw ( 3 pcs) 34080 nylon stone guard (left-side) 34080 nylon stone guard (left-side) assembly of the stone guard assembly of the right and left hand side are the same..

  • Page 22

    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 23

    Installation of the fuel tank and engine onto chassis 30280 fuel tank 125cc 30287 tank mount posts 10114 flat head engine mount screws.

  • Page 24

    Assembly of the fuel tube 3 x 10mm tapping screw 3 x 10mm tapping screw 3 x 10mm tapping screw 34032 receiver box 34061 radio tray assembly of the radio tray and receiver box *tighten the strap and cut off the excess. 10180 silicone tube 10068 manifold adapter ( red silicone ) 10120 manifold spring ...

  • Page 25

    Switch 10280 switch cover * use the screw provided with your witch. * connect the wire to receiver. * connect battery case wire to switch. * connect switch wire to receiver. Receiver battery case 3 x 10mm screw 3 x 10mm screw assembly of the rear stiffener 34070 rear stiffener 2.6x10 tapping screw 2...

  • Page 26

    * use the screw provided with your radio. 30172 2mm rod * use the screw provided with your radio. 10768 steering servo horn assembly of the servo horn linkage into servo 30560 antenna tube * push 30560 into antenna post. 3x10mm tapping screw *insert the 2mm brake rod through brake lever. Antenna pos...

  • Page 27

    A-41 6mm ball & socket 30410 6mm stabilizer ball end 30410 6mm stabilizer ball end 30402 3 x 30mm tie rod 30411 6mm ball & socket 30411 6mm ball & socket assembly of the front steering rod * to the steering servo saver. 3x12mm screw 3x12mm screw 0 10 20 30 40 50 mm 17mm * align the steering servo as...

  • Page 28

    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 29

    3 x 20mm screw assembly of the front and rear shock absorber assembly of the right and left hand side are the same. 3mm nylon nut m3 nylon nut..........4 3 x 20mm screw..........4 3mm nylon lock nut 3 x 20mm screw 3mm nylon nut 32051 plastic bushing 32051 plastic bushing * take the plastic bushing f...

  • Page 30

    Engine break-in and tunning ( break-in the engine before driving the car!) optional ofna car stands tuning after break-in idle adjuster screw & barrel stop lean rich • 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 ra...

  • Page 32: Appendix Pages

    Appendix pages.