Summary of XB8E
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2 before you start the xb8e is a high-competition, high-quality, 1/8 electric buggy 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 use by b...
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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 symbols used l=r 2x ca oil part bags used assemble left and right sides the same way assemble in the specified order pay attention here assemble as many times as specified (here twice) apply instant glue cut off shaded portion cut off remaining material tighten screw gently tools required equipmen...
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5 xb8e tech tips before filling in the differentials with oil we suggest that you first check gear mesh as below. If there is too much or too little diff side play, this may create non-optimal gear mesh between the diff gear and the pinion drive gear. This is easily resolved by inserting 1 or 2 of t...
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6 differential gears 1. Front & rear differentials 2x f=r step detail ➊ ➋ ➌ ➍ ➎ ➎ ➎➏ ➏ 35 5003 xb8 front/rear differential 46t - set 35 5020 differential case 35 5030 steel diff bevel & satellite gears (2+4) 35 5046 front/rear diff large bevel gear 46t - hudy steel 35 5063 f/r diff outdrive adapter ...
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7 differential oil fill the differentials with oil just above the satellite gears. Important! After assembly the differentials should have a length of 32.3~32.5 mm measured from the ends of the installed ball-bearings. If differentials are longer, retighten the 4 screws holding the crown gears. 32.3...
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8 differential gears step detail center differential bag ➊ ➋ ➌ ➍ ➎ ➎ ➏ ➏ ➎ 355071 940816 903312 355050 971060 355030 971060 355020 940816 355090 964060 964030 980212 355080 355071 35 5012 central differential - set 35 5020 differential case 35 5030 steel diff bevel & satellite gears (2+4) 35 5050 ce...
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9 differential oil after assembly the differential should have a length of 32.3~32.5 mm measured from the ends of the installed ball-bearings. If differential is longer, retighten the 4 screws holding the spur gear. ➊ ➋ ➍ ➎ ➎ ➏ ➌ 971060 o 6x1.5 964060 s 6x18x0.2 980212 p 2x11.6 very important! Fill ...
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10 2. Front transmission 940816 bb 8x16x5 902312 sh 3x12 980314 p 3x14 901404 sb 4x4 graphite grease (hudy #106210) follow the tech tip on page 5 for drive shaft pin servicing note orientation short cvd drive shaft assembled view cut on both front and rear bulkhead blocks follow the tech tip on page...
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11 rear transmission 940816 bb 8x16x5 902312 sh 3x12 980314 p 3x14 901404 sb 4x4 graphite grease (hudy #106210) follow the tech tip on page 5 for drive shaft pin servicing note orientation long cvd drive shaft assembled view follow the tech tip on page 5 to properly adjust the gear mesh. Cut on both...
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12 bag 3. Rear suspension rear anti-roll bars #353422 2.2mm (option) #353424 2.4mm (option) #353426 2.6mm (standard) #353428 2.8mm (option) #353430 3.0mm (option) #353432 3.2mm (option) 909395 901408 353325 352314 353371 352005 909372 353317 352314 357212 option # 353192 composite rear mud protector...
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13 toe-in anti-squat roll center downstop track-width rear suspension 909395 ss 3.5x45 909372 ss 3.5x22 901408 sb m4x8 353371 shim 4x10x2 eccentric bushings have two different offsets from the center. Middle position = 0.5 mm or 0.5° from center outer position = 1mm or 1° from center the new xray re...
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14 rear suspension anti-roll bar ➋ 901303 sb m3x3 901305 sb m3x5 901312 sb m3x12 902318 sh m3x18 ➊ ➋ ➌ ➍ 3x5 3x8 903308 sfh m3x8 -2~0mm l=r step detail ➍ l=r 2x 1.5mm 6mm follow the tech tip on page 5 to install the pivot balls 3x3 step check for free movement ➊ 3x18 detail detail loosen the 3x5 set...
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15 980317 p 3x17 941319 bb 13x19x4 901504 sb m5x4 903416 sfh m4x16 980263 p 2.5x13 ➊ ➋ l=r ➌ ➍ ➑ ➐ ➒ ➏ ➍ ➎ assembled view 353370 shim 3x9x2 960030 n m3 940814 bb 8x14x4 4. Rear suspension 35 1330 composite rear body post - long 35 2234 xb8 alu rear hub mounting plate - swiss 7075 t6 35 2633 adj. Tur...
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16 camber rear suspension rear wing 902318 sh m3x18 960030 n m3 902314 sh m3x14 960030 n m3 902318 sh m3x18 902320 sh m3x20 902310 sh m3x10 353380 shim 4x7.5x1 353381 shim 4x7.5x2 roll center follow the tech tip on page 5 to install the pivot balls detail use tools to tighten as shown special tool f...
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17 5. Front suspension 33 3450 anti-roll bar ball joint 5.8 mm (2) 35 2005 diff bulkhead block set front/rear 35 2117 xb8 composite front lower suspension arm 35 2323 alu front lower susp. Holder - front - square adj. Roll-center - v2 35 2324 alu front lower susp. Holder - rear - square adj. Roll-ce...
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18 front suspension kick up roll center downstop wheelbase track width 901408 sb m4x8 909395 ss 3.5x45 909372 ss 3.5x22 all possible mounting alternatives of eccentric bushings composite eccentric bushings initial setting 1 1 0.5 0.5 0 composite eccentric bushings initial position 1 1 0.5 0.5 0 3533...
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19 front suspension anti-roll bar 901303 sb m3x3 901305 sb m3x5 901312 sb m3x12 902318 sh m3x18 903308 sfh m3x8 3x3 3x5 3x8 -2~0mm 3x18 l=r 2x step check for free movement ➊ detail detail loosen the 3x5 setscrew if the anti-roll bar does not turn freely step ➊ ➊ ➋ ➌ ➍ l=r step detail ➍ 1.5mm 6mm fol...
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20 941319 bb 13x19x4 901504 sb m5x4 940814 bb 8x14x4 ➊ ➋ l=r 980317 p 3x17 980263 p 2.5x13 903416 sfh m4x16 use hudy ball-bearing grease or oil for servicing: #106220 - standard #106221 - extra #106222 - premium #106230 - bearing oil 6. Front suspension 35 2132 xb8 front upper arm right 35 2142 xb8 ...
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21 camber roll center l=r 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 freely. Important check that the pivot balls move freely after every run especially in dusty cond...
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22 903412 sfh m4x12 front & rear assembly 35 1109 xb8e alu chassis - swiss 7075 t6 (3mm) - hard coated 35 1200 front & rear bumper - v2 35 3088 composite rear brace - v2 (option) 35 3089 composite rear brace - long 90 2316 hex screw sh m3x16 (10) 90 3312 hex screw sfh m3x12 (10) 90 3412 hex screw sf...
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23 903312 sfh m3x12 902316 sh m3x16 903412 sfh m4x12 960030 n m3 front & rear assembly front & rear assembly 3x16 initial setting add for extra stiffness (use from last aid bag) 3x12 detail screw from the last aid bag can be used for extra stiffeness adjustment option #358088 short rear brace rear b...
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24 7. Steering 30 3122 alu shim 3x6x1.0mm (10) 30 3123 alu shim 3x6x2.0mm (10) 35 1301 body posts 35 1347 xb8 graphite upper plate 35 2088 composite front brace 35 2096 xb8 graphite front shock tower - cnc machined 4 mm 35 2314 composite square adj. Roll-center bushings - v2 (2) 35 2333 xb8 alu fron...
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25 roll center servo saver 902308 sh m3x8 940610 bb 6x10x3 902314 sh m3x14 903312 sfh m3x12 903410 sfh m4x10 902310 sh m3x10 903310 sfh m3x10 960030 n m3 903306 sfh m3x6 970121 o 12.1x1.6 3x10 3.0mm hudy tool allen 3.0mm for servicing use bearing oil (hudy #106230) note orientation step 1 step 2 ste...
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26 roll center caster ackermann bump steer toe-in 960030 n m3 903320 sfh m3x20 303122 shim 3x6x1 303123 shim 3x6x2 902312 sh m3x12 caster upper clip (behind arm) lower shim (behind arm) 2mm 0 4mm 24º 21º 3mm 25.5º 22.5º 2mm 27º 24º 1mm 28.5º 25.5º 0 30º 27º steering l=r 2x initial position note orie...
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27 908312 sch m3x12 8. Center diff & motor bag 35 1158 xb8 chassis side guards l+r w/out rib 35 2290 composite bushing for alu steering block (4) 35 4011 center diff mounting plate set - higher 35 4053 xb9e graphite center diff mounting plate 35 5712~17 xb808e 12~17t pinion gear (option) 35 8783 xb9...
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28 902330 sh m3x30 903308 sfh m3x8 903412 sfh m4x12 center diff & motor note orientation note orientation note orientation.
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29 903310 sfh m3x10 903310 sfh m3x10 903314 sfh m3x14 903314 sfh m3x14 960030 n m3 960030 n m3 908314 sch m3x14 961032 s 3.2 center diff & motor gear mesh adjustment adjust gear mesh so there is minimal play between the gears. Too tight gear mesh will put excessive strain on all parts and damage the...
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30 902312 sh m3x12 10. Radio case bag 30 2610 adj. Turnbuckle l/r 40 mm - hudy spring steel (2) 30 6310 antenna tube (2) 33 6000 composite receiver case - v2 33 6060 receiver switch - set (option) 35 2460 pivot ball 5.8 (10) 35 2670 servo ball joint 5.8mm (4) 35 6118 xb9e graphite receiver case top ...
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31 902312 sh m3x12 902308 sh m3x8 902308 sh m3x8 907206 2x6 radio case if the receiver box has 2 different-size openings for cable entry (narrow and wider), cut away the tab for the appropriate opening to allow the cables to fit properly. Receiver (not included) antenna servo screw (not included).
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32 902314 sh m3x14 903410 sfh m4x10 903410 sfh m4x10 903416 sfh m4x16 960030 n m3 960040 n m4 cut the foam as needed to fill in space between the batteries and holder. Double-sided tape (not included) battery (not included) tie strap (not included) speed controller (not included) velcro battery stra...
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33 shock damping shock pistons 971034 o 3.4x2 960026 n m2.5 358040 s 2.5x6x0.5 970100 o 10x1.5 incorrect incorrect correct cutaway view bags 11.1 35 2460 pivot ball 5.8 - v3 (10) 35 8019 composite set of shims for shocks - v2 (2) 35 8020 composite shock parts 35 8032 shock piston set 8-hole (1.2; 1....
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34 shock oil 970180 o 18x1.8 incorrect incorrect correct incorrect correct front shocks rear shocks 1 mm gently push the shock shaft completely into the shock body. Excess oil will flow through the hole in the shock cap. Keep the shock shaft pushed in the shock body and tighten the shock cap complet...
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35 spring rate shock preload ride height fill the shock body with shock oil up to the top. Make sure to use same viscosity shock oil as is in the shock. ➋ orient the filled shock vertically for several minutes with the shock shaft fully extended. The remaining air bubbles will release. Gently place ...
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36 shock absorbers 902319 sh m3x18 left thread 960030 n m3 902318 sh m3x18 12. Final assembly 12 bag 35 2030 xb8 front shock tower protector 35 3511-k xb8 rear wing - black 35 3511 xb8 rear wing - white (option) 35 3511-y xb8 rear wing - yellow (option) 35 3565 composite rear wing shim - black (2) 3...
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37 shock absorbers 960030 n m3 902319 sh m3x18 left thread 902318 m3x18 903312 sfh m3x12 960030 n m3 body reamer (hudy #107600) detail final assembly rear shocks (long) l=r initial setting initial setting on the rear left arm use the silver m3x18 screw - this screw has left thread use standard m3x18...
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38 problem cause solution car is hard to control • weak transmitter and/or receiver batteries • low reception from radio antennas • servo linkages not adjusted properly • recharge or replace batteries • fully extend transmitter and receiver antennas • move servo to neutral then re-adjust linkage(s) ...
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39 • for club racing, it is recommended to check the shocks for air inside before each race and only re-fill and bleed them if necessary. Before each race day, make sure you take the spring off of each shock, hold it up to your ear, and quickly compress the shock rod fully into the body while listen...
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ÜÜÜ°v>vil°vÉÌi>ÝÀ>ÞÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÜÜÜ°ÌÜÌÌiÀ°vÉÌi>ÝÀ>ÞÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÜÜÜ°ÞÕÌÕli°vÉÝÀ>ÞÀ>v} rc america, 2030 century center blvd #15, irving, tx 75062, usa phone: 214-744-2400, fax: 214-744-2401, xray@rcamerica.Com.