Summary of 2016 RX8
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1.
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2 before you start the rx8 is a high-competition, high-quality, 1/8-scale on-road nitro car intended for persons aged 16 years and older with previous experience building and operating rc model racing cars. This is not a toy; it is a precision racing model. This model racing car is not intended for ...
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3 important notes – electrical • insulate any exposed electrical wiring (using heat shrink tubing or electrical tape) to prevent dangerous short circuits. Take maximum care in wiring, connecting and insulating cables. Make sure cables are always connected securely. Check connectors for if they becom...
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4 equipment required tools required symbols used transmitter steering & throttle servos receiver battery charger starter box (hudy #104400) & battery pack exhaust manifold engine air filter air filter oil (hudy #106240) model r/c car fuel (nitromethane) threadlock ca glue glowplug igniter hudy tools...
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5 #345071 front one-way axle outdrive adapter - lightweight (2) #345071 front one-way axle outdrive adapter - lightweight (2) bag one-way lube one-way lube step detail note orientation oil oil 1. Front one-way & rear solid axle 345070 345011 345024 968140 345070 968120 345001 front one-way - hardcoa...
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6 detail bag 2. Rear suspension 44.5mm note orientation tighten gently right thread left thread 2x 2x 2x 2x tighten composite hex nuts using hudy tool #107581 follow the tech tip on page 41 to install the pivot balls when you use inner position on the upright, use shorter ball joint. (initial settin...
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7 composite set of bushings 901303 sb m3x3 0.5mm 1mm 1mm concentric initial setting initial position initial setting eccentric cutaway view 2.1mm 1.8mm 2x 2x 2x 2x #345312 alu rear cvd drive axle swiss 7075 t6 - hardcoated #345301 rear cvd drive shaft set hudy spring steel™ #345290 alu shim 12x15x1....
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8 #345920 alu 2-speed belt pulley 20t - center - set bag 2. Rear suspension 296530-o alu nut m3 - orange (10) 303123-o alu shim 3x6x2.0mm - orange (10) 334052 composite brake upper plate 341103 chassis 5mm - cnc machined - swiss 7075 t6 342070 composite set of bushings (2) 342316 composite rear uppe...
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9 composite set of bushings composite bushing 2. Rear suspension note orientation detail 903408 sfh m4x8 903310 sfh m3x10 bearing oil bearing oil note orientation note orientation note orientation both bushings must be in same position both bushings must be in same position 941218 bb 12x18x4 to loos...
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10 903408 sfh m4x8 903408 sfh m4x8 initial setting initial setting 903308 sfh m3x8 2. Rear suspension note orientation it is extremely important that the arms move freely on the pivot pins. If they do not, use the #107634 hudy arm reamer to slightly resize the holes in the arms. #345301 rear cvd dri...
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11 initial setting tighten fully setscrew m3x6 onto flatspot note orientation 2x 296530-o n m3 303123-o shim 3x6x2 12mm 902325 sh m3x25 fibre pads face together 3x6x2mm 3x6x2mm detail detail detail 940508 bb 5x8x2.5 940815 bb 8x14x4 2. Rear suspension 903310 sfh m3x10 note orientation note orientati...
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12 903308 sfh m3x8 901405 sb m4x5 902314 sh m3x14 2. Rear suspension 965070 c 7 ➊ ➋ ➊ ➍ note orientation ➌ tighten setscrew onto flat spot ➍ step detail detail bearing oil pin must protrude equally on both sides of camshaft 940508 bb 5x8x2.5 981208 p 2x8 902308 sh m3x8 901303 sb m3x3 #344111 ventila...
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13 26mm detail detail #341381 graphite rear body centering plate - set 2. Rear suspension bag 902314 901303 940508 362650 302080 901305 341370 341360 902310 302291 302291 341380 341331 347330 902310 302663 901304 333461 343458 02.3 901305 341360 901303 940508 343481-k 302080 caster clips set 4+3+2+1...
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14 930508 bb 5x8x2.5 bearing oil bearing oil bearing with steel covers bearing with steel covers 901303 sb m3x3 901304 sb m3x4 when the bars are set, verify that both sides move at the same time. If they do, the bars are set up correctly. If not, make sure that both downstops are the same and that t...
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15 901305 sb m3x5 902310 sh m3x10 902314 sh m3x14 detail detail detail 2. Rear suspension initial setting initial setting initial setting 2mm 2mm distance according to bodyshell shims (step ) #341381 graphite rear body centering plate - set it is extremely important that the arms move freely on the ...
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16 3. Rear transmission bag 345592-k shim 8x10x1.5 980314 p 3x14 965070 c 7 1st composite 2-speed gears 335557 57t (1st) option 335558 58t (1st) option 335559 59t (1st) included 335560 60t (1st) option 1st graphite 2-speed gears 335657 57t (1st) option 335658 58t (1st) option 335659 59t (1st) option...
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17 3. Rear transmission 965070 c 7 981310 p 3x10 345592-k shim 8x10x1.5 901305 sb m3x5 908262 sch m2.5x12 983404 rp 4x4 ➊ ➊ ➋ ➋ ➌ ➍ ➍ ➎ ➎ note orientation use white paint to color the top of one screw head. This will allow you to identify the two different screws - one white, one dark - when you are...
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18 4. Front suspension bag rear anti-roll bars #343456 2.6mm (option) #343458 2.8mm (included) #343460 3.0mm (option) pivot balls must move freely during initial assembly, tighten each composite hex nut until the pivot ball starts to bind, then loosen slightly. Verify that the pivot balls move freel...
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19 4. Front suspension 902308 sh m3x8 composite set of bushings initial setting tighten gently tighten fully thread lock graphite grease (hudy # 106210) tighten the screw fully when the pin is installed. Detail step 2x 2x 2x 901303 sb m3x3 980262 p 2.5x12 1.5mm centered cutaway view 2x 901303 sb m3x...
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20 4. Front suspension 902308 sh m3x8 903306 sfh m3x6 2x tighten gently, tighten fully when the drive pins are assembled. Page 25, step 1 901308 sb m3x8 901306 sb m3x6 961032 s 3.2 902320 sh m3x20 alternative 2: blade anti-roll bar 5.1mm 5.5mm 2x 2x 1. Pre-thread mount with the setscrew. 2. After an...
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21 bag 4. Front suspension 04.2 302080 composite caster clips set 4+3+2+1 mm (2) 302663 composite ball joint 4.9mm - open - v2 (8) 333461 composite anti-roll bar ball joint 4.9 mm (4) 337311 pivot pin with flat spot (2) 341201 composite bumper - downforce 341322 alu front body post - short - swiss 7...
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22 941218 bb 12x18x4 902308 sh m3x8 detail detail detail 2x 2x 4. Front suspension 902310 sh m3x10 901410 sb m4x10 903408 sfh m4x8 903306 sfh m3x6 note orientation note orientation note orientation note orientation note orientation note orientation note orientation note orientation note orientation ...
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23 note orientation the rx8 kit comes with both types of front anti-roll bars; blade-style or wire. Decide which anti-roll bar to use. Pre-thread mount with the set-screw after anti-roll bar is inserted, install and tighten the set-screw alternative 1 (blade anti-roll bar) is recommended for long, f...
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24 28mm alternative 2 (wire anti-roll bar) hudy graphite grease #106210 initial setting 902308 sh m3x8 4. Front suspension 2mm (initial setting) rearward arm position shim in front of arm forward arm position shim behind arm. The position of the front arm directly influences the steering ackermann (...
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25 930508 bb 5x8x2.5 bearing oil bearing with steel covers bearing oil 902310 sh m3x10 4. Front suspension note orientation front anti-roll bars #342472 ø2.2mm option #342474 ø2.4mm option #342476 ø2.6mm included #342478 ø2.8mm option detail tighten fully.
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26 901303 sb m3x3 901304 sb m3x4 902410 sh m4x10 903412 sfh m4x12 960040 n m4 if the sides still do not move at the same time, adjust the length of the bar holders. Detail 4. Front suspension when the bars are set, verify that both sides move at the same time. If they do, the bars are set up correct...
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27 step detail step detail note orientation 5. Front transmission bag bearing oil bearing oil use the belt pulley cover 18t with hole diameter of 9mm. Note orientation 940613 bb 6x13x5 965050 c 5 965050 c 5 981262 p 2.5x12 981262 p 2.5x12 303123-o alu shim 3x6x2.0mm - orange (10) 335790 composite ba...
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28 5. Front transmission tighten gently tighten gently 901408 sb m4x8 903308 sfh m3x8 902308 sh m3x8 903306 sfh m3x6 303123-o shim 3x6x2 902314 sh m3x14 950510 bb 5x10x4 1. Loosen upper screw 2. Move belt tensioner as needed 3. Re-tighten upper screw to adjust the belt tensioner: step detail note or...
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29 6. Steering bag ➊ detail step 3-4mm 3.0mm initial preload initial setting there are 4 different ackermann settings possible with the quick-saver™ step 1 gives the most ackermann and makes the car understeer more into & out of corners. It offers good cornering speed and creates very good traction ...
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30 3x6x2mm ➊ 6. Steering note orientation note orientation note orientation note orientation note orientation bearing oil bearing oil follow the tech tip on page 41 to install the pivot balls 42.5mm 42.5mm 902308 sh m3x8 940508 bb 5x8x2.5 902310 sh m3x10 902308 sh m3x8 thread lock initial setting th...
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31 hudy alu servo horns #293491 23t ko propo, airtronics, jr, sanwa option #293492 24t hitec option #293493 25t futaba option bag 7. Fuel tank & electronics 303241 ball universal 5.8 mm hex (4) 306310 antenna tube (2) 332660 composite steering & servo ball joint 5.8 mm (4+2) 336000 composite receive...
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32 use appropriate servo arm: k - (23t) = ko, jr, airtronics h - (24t) = futaba, f - (25t) = hitec hudy alu servo horns #293491 23t ko propo, airtronics, jr, sanwa option #293492 24t hitec option #293493 25t futaba option use alum servo horns for more in-corner steering and better steering response....
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33 3x8mm 3x8mm 3x6mm 3x6mm thread lock 902306 sh m3x6 7. Fuel tank & electronics servo grommet (not included) note orientation note 903306 sfh m3x6 902310 sh m3x10 902312 sh m3x12 3x12mm 3x12mm 3x6mm 3x6mm attach steering linkage to servo saver tighten fully flex fixed (initial setting) when big ser...
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34 7. Fuel tank & electronics battery plate #336151 composite included #336155 graphite option #346157 brass (100g) option use an appropriate receiver battery pack use tape to mount the receiver battery pack to the lower holder (not included). 3x8mm 3x8mm 3x8mm 3x8mm battery (not included) thread lo...
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35 bag 08 8. Engine & clutch screw (not included) muffler (not included) manifold (not included) 348576 #clutch shoe - red 338732 348418 348512 348541 348575 348560 348532 338540 or 338541 (not included) 338584 338585 338586 338584 338585 338586 908312 348716 908312 engine (not included) 911410 3487...
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36 flywheel cut clutch weights are machined as 1 piece, with thin film connecting the pieces together. Cut the connecting film to separate the 3 shoes. 10~11mm 9.2 +0.1mm adjust with spring preload collar adjust with shims behind flywheel 8. Engine & clutch note orientation tighten the clutch nut us...
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37 8. Engine & clutch pull the clutchbell away from the clutch shoe and measure distance b as indicated. These shims are used to adjust clutchbell endplay. A measure endplay with this bearing installed pull install the clutchbell, outer ball-bearing (small), and thrustbearing assembly on the engine ...
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38 thread lock all screws thread lock all screws thread lock (screw not included) thread lock ➊ ➋ attach manifold to engine using appropriate springs 911410 shf m4x10 908312 sch m3x12 902306 sh m3x6 8. Engine & clutch adjust gear mesh so there is minimal play between the gears. Too tight gear mesh w...
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39 1.0 1.1 1.2 1.0 1.1 1.2 1.0 1.1 1.2 1.0 1.1 1.2 4x initial setting initial setting 2x 2x shock oil 4x 972030 o 3x2 9. Shock absorbers bag 308331 308352-o 308091 303241 965023 965023 308036 338061 338021 rear - long front - short 308040-o do not use crossed parts 970121 348284 348185 972030 308331...
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40 do not use crossed parts correct incorrect fully extend the piston rod so the piston is at the bottom of the shock body. Hold the shock upright and slightly overfill the shock body with shock oil. Let the oil settle and allow air bubbles to rise to the top. Slowly move the piston up and down unti...
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41 after the shock is assembled you have to set the shock rebound. ➊ release the shock cap by 2-3 turns. ➋ push the shock shaft fully up. For the first time the extra oil will release through the hole in the alu cap-nut. ➌ tighten the shock cup. When tightening the shock cap, extra oil will again re...
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42 hudy alu servo horns #293494 23t ko propo, airtronics, jr, sanwa option #293495 24t hitec option #293496 25t futaba option bag 10. Final assembly 10 servo screw not included 902306 349400 336400 336401 902310 901303 336400 336400 336400 336401 358950 336401 902306 902306 349400 338001-o rear - lo...
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43 10. Final assembly rear shock long initial setting initial setting front shock short 902306 sh m3x6 902306 sh m3x6 detail detail.
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44 10. Final assembly approx. 15mm thread do not overtighten screws; pivots must rotate freely 901303 sb m3x3 902310 sh m3x10 servo screw (not included) 902306 sh m3x6 insert rod through hole in brake arm. Bend rod to proper shape. Note orientation detail hudy alu servo horns #293494 23t ko propo, a...
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45 10. Final assembly cut 2 pieces of silicone tubing and install as follows: silicone tube marked as red = from muffler to fuel tank cap silicone tube marked as blue = from fuel tank to carburetor rear tires (not included) front tires (not included) 4x.
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46 carb linkage adjustment turn on transmitter and receiver and set the throttle servo trim to the neutral position. Adjust the idle adjustment screw on the carburetor to open approx. 0.5-1mm. Adjust both collars on the carb and brake linkages accordingly. The carb linkage must have approximately 0....
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47 1 0 -1 -2 -3 2 3 4 7 6 5 4 8 9 10 front rear rear front rear front measure under rear upright measure under steering block automatically calculated rx8’16 set-up sheet ver. 1 ©xray 2016 upper shock position body holder position camber link location body mount position roll center outer ackermann ...
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/teamxray /teamxray /teamxray /xrayracing /+teamxrayrc /xrayracing rc america, 2030 century center blvd #15, irving, tx 75062, usa phone: 214-744-2400, fax: 214-744-2401, xray@rcamerica.Com.