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  5. Instruction Manual

Ofna Racing 9.5 MBX Instruction Manual

Summary of 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: Failure to Not Read And

    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. Alway...

  • 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 • 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. Alway...

  • Page 4

    Things need besides the kit radio control unit 12v battery for starter box (must have) glow plug heat with battery & charger # 10227....$$19.95 (please note ofna glow heats available) aa batteries ( 12 pcs ) for radio note: carefully read the instruction manual of your 2 channel radio controller bef...

  • Page 5

    Things need besides the kit radio control unit 12v battery for starter box (must have) glow plug heat with battery & charger # 10227....$$19.95 (please note ofna glow heats available) aa batteries ( 12 pcs ) for radio note: carefully read the instruction manual of your 2 channel radio controller bef...

  • Page 6

    Plastic parts 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 plastic parts a b c checking engine throttle * insert into transmitter. 1. Insert aa batt...

  • Page 7

    Plastic parts 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 plastic parts a b c checking engine throttle * insert into transmitter. 1. Insert aa batt...

  • Page 8

    4x4mm set screw 4x4mm set screw assembly of the differential case 40006 cap joint 40006 cap joint 36053 8x16mm ball bearing 36053 8x16mm ball bearing 36053 8x16mm ball bearing 36053 8x16mm ball bearing 40010 2.5x13.8mm pin 40010 2.5x13.8mm pin 40010 2.5x13.8mm pin 40010 2.5x13.8mm pin 40009 p6 o-rin...

  • Page 9

    4x4mm set screw 4x4mm set screw assembly of the differential case 40006 cap joint 40006 cap joint 36053 8x16mm ball bearing 36053 8x16mm ball bearing 36053 8x16mm ball bearing 36053 8x16mm ball bearing 40010 2.5x13.8mm pin 40010 2.5x13.8mm pin 40010 2.5x13.8mm pin 40010 2.5x13.8mm pin 40009 p6 o-rin...

  • Page 10

    40067 m3x12 tp screw 40067 m4x15 tp screw 35314 4mm nylon nut assembly of the front shock tower opt: 49003 cnc 7075 alum. Shock tower 49037 front shock tower, orange assembly of the front pivot ball knuckle arm 36901 ball type knuckle arms ( right and left side) * note the "r" mark is for righthand ...

  • Page 11

    40067 m3x12 tp screw 40067 m4x15 tp screw 35314 4mm nylon nut assembly of the front shock tower opt: 49003 cnc 7075 alum. Shock tower 49037 front shock tower, orange assembly of the front pivot ball knuckle arm 36901 ball type knuckle arms ( right and left side) * note the "r" mark is for righthand ...

  • Page 12

    Assembly of the rear gear box 4x16mm tapping screw (small head) 4x15mm tapping screw (small head) 4x10mm tapping screw (small head) 4x45mm flat head tapping screw 36053 8x16mm ball bearing 36053 8x16mm ball bearing 40024 13x16x0.2mm shim 40021 14t pinion gear * adjust the backlash with the shims. 40...

  • Page 13

    Assembly of the rear gear box 4x16mm tapping screw (small head) 4x15mm tapping screw (small head) 4x10mm tapping screw (small head) 4x45mm flat head tapping screw 36053 8x16mm ball bearing 36053 8x16mm ball bearing 40024 13x16x0.2mm shim 40021 14t pinion gear * adjust the backlash with the shims. 40...

  • Page 14

    4x20mm screw ( small head ) assembly of the wing stay 40027 rear body mount ( take the plastic part from #40027rear win stay set. ) 49038 rear shock tower, orange 3x12mm tapping screw 35313 3mm nylon nut 40027 wing mount 40027 wing mount *insert the 3mm nylon nut before assembly. 3x20 tapping screw ...

  • Page 15

    4x20mm screw ( small head ) assembly of the wing stay 40027 rear body mount ( take the plastic part from #40027rear win stay set. ) 49038 rear shock tower, orange 3x12mm tapping screw 35313 3mm nylon nut 40027 wing mount 40027 wing mount *insert the 3mm nylon nut before assembly. 3x20 tapping screw ...

  • Page 16

    Assembly of the rear anti-rod bar 3x3 set screw 3x3 set screw 3x3 set screw 3x10mm flat head screw 3x10mm flat head screw 40019 stabilizer 40018 stabilizer mount plastic 30341 stabilizer ball..........2 3 x 10mm flat head tapping screw........2 3 x 20mm screw ......................2 3 x 12mm tapping...

  • Page 17

    Assembly of the rear anti-rod bar 3x3 set screw 3x3 set screw 3x3 set screw 3x10mm flat head screw 3x10mm flat head screw 40019 stabilizer 40018 stabilizer mount plastic 30341 stabilizer ball..........2 3 x 10mm flat head tapping screw........2 3 x 20mm screw ......................2 3 x 12mm tapping...

  • Page 18

    4x10mm flat head screw 4x10mm screw 4x15mm tapping screw 40027 front body post 3x12mm screw * assembly the front body post before assembly the front plate. 40095 front plat, orange assembly of the servo saver onto the chassis 36790 4x46mm turnbuckle 36790 4x46mm turnbuckle 36850 7mm ball 36850 7mm b...

  • Page 19

    4x10mm flat head screw 4x10mm screw 4x15mm tapping screw 40027 front body post 3x12mm screw * assembly the front body post before assembly the front plate. 40095 front plat, orange assembly of the servo saver onto the chassis 36790 4x46mm turnbuckle 36790 4x46mm turnbuckle 36850 7mm ball 36850 7mm b...

  • Page 20

    40042 brake disk 40042 brake disk 40042 brake disk 40042 brake disk assembly of the center diff. Into center diff. Mount center diff. Assembly 3x3mm set screw 3x3mm set screw 3x10mm screw 40031 fuel overflow proof plate 30213 brake cam 30211 plastic bushing option 30212 5x8mm ball bearing 40096 cent...

  • Page 21

    40042 brake disk 40042 brake disk 40042 brake disk 40042 brake disk assembly of the center diff. Into center diff. Mount center diff. Assembly 3x3mm set screw 3x3mm set screw 3x10mm screw 40031 fuel overflow proof plate 30213 brake cam 30211 plastic bushing option 30212 5x8mm ball bearing 40096 cent...

  • Page 22

    40078 yellow, stone guard 40078 yellow, stone guard 3x10mm screw 3x10mm screw 3x10mm screw 3 x 10mm tapping screw..........6 assembly of the receiver box * use the screw provided with your radio 10280 switch cover switch, provided by radio 40047 receiver box 40047 receiver box cover 40047 receiver b...

  • Page 23

    40078 yellow, stone guard 40078 yellow, stone guard 3x10mm screw 3x10mm screw 3x10mm screw 3 x 10mm tapping screw..........6 assembly of the receiver box * use the screw provided with your radio 10280 switch cover switch, provided by radio 40047 receiver box 40047 receiver box cover 40047 receiver b...

  • Page 24

    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 25

    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 26

    0 10 20 30 40 50 mm assembly of the front steering rod 16mm * align the steering servo as shown. Parallel * use the screw provided with your servo. 10768 servo horn 30411 6mm ball 30401 6mm ball 3x10mm screw 3x15mm screw nylon nut 30690 3x30mm tie rod 30401 6mm tie rod end 30411 6mm tie rod end * en...

  • Page 27

    0 10 20 30 40 50 mm assembly of the front steering rod 16mm * align the steering servo as shown. Parallel * use the screw provided with your servo. 10768 servo horn 30411 6mm ball 30401 6mm ball 3x10mm screw 3x15mm screw nylon nut 30690 3x30mm tie rod 30401 6mm tie rod end 30411 6mm tie rod end * en...

  • Page 28

    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 29

    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 30: Set-Up Guide

    Assembly of the right and left hand side are the same. 15073 orange wheel nut 15073 orange wheel nut assembly of the wheels onto front knuckle arm and rear hub 25mm 25mm 0 5 10 15 20 25 5 10 15 20 25 assembly of the wing * drill two 7mm holes for mounting. 3x12mm screw 40027 countersunk plastic wash...

  • Page 31: Set-Up Guide

    Assembly of the right and left hand side are the same. 15073 orange wheel nut 15073 orange wheel nut assembly of the wheels onto front knuckle arm and rear hub 25mm 25mm 0 5 10 15 20 25 5 10 15 20 25 assembly of the wing * drill two 7mm holes for mounting. 3x12mm screw 40027 countersunk plastic wash...

  • Page 34

    Starting of the engine how to start the engine: 1. Turn on transmitter and then receiver. 2. Fill fuel tank with fuel bottle. 3. Connect 1.2v glow plug starter. 4. Start engine with 12v starter or starter box ( note the direction of the starter.) 5. After the engine be started, remove the 1.2v glow ...

  • Page 35

    Starting of the engine how to start the engine: 1. Turn on transmitter and then receiver. 2. Fill fuel tank with fuel bottle. 3. Connect 1.2v glow plug starter. 4. Start engine with 12v starter or starter box ( note the direction of the starter.) 5. After the engine be started, remove the 1.2v glow ...

  • Page 36: Appendix Pages

    Tuning after break-in idle adjuster screw & barrel stop lean rich close master needle by turning clockwise until it stops. Then open needle by turning counterclockwise 3 turns (rich setting). When running car, adjust carb with 1/8 clockwise turns, slowly leaner, until the top speed good. Check engin...

  • Page 37: Appendix Pages

    Tuning after break-in idle adjuster screw & barrel stop lean rich close master needle by turning clockwise until it stops. Then open needle by turning counterclockwise 3 turns (rich setting). When running car, adjust carb with 1/8 clockwise turns, slowly leaner, until the top speed good. Check engin...