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I N S T R U C T I O N M A N U A L X R A Y X T 8 ' 2 2 & X R A Y X T 8 E ' 2 2...
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The buyer expressly agrees to indemnify and hold harmless XRAY for all claims resulting directly or indirectly from the purchase, ownership or use of the Take appropriate safety precautions prior to operating this model. You are responsible for this model‘s product.
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• Make sure all fasteners are properly tightened. Check them periodically. Therefore we ask you, if at all possible, to purchase XRAY products at your hobby dealer and give them • Make sure that chassis screws do not protrude from the chassis.
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TRACK-WIDTH The XRAY rear alu lower suspension holders provide even greater range of adjustment for the rear suspension. Using different combinations of eccentric bushings, fine adjustment of rear anti-squat, rear toe-in, rear roll center, and rear track-width can be obtained. For more information about the influence of rear anti-squat, rear toe-in, rear roll center and rear track-width on car handling, please refer to HUDY Off-Road Set-up Book (#209099).
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3. REAR SUSPENSION XT8E DETAIL 1.5mm 901312 SB M3x12 Install the pivot balls with Professional Multi Tool (HUDY #183011). STEP DETAIL ➍ -1~ -3mm 901303 SB M3x3 901305 SB M3x5 DETAIL 3x3mm ➌ 902318 SH M3x18 3x18mm 903308 ➋ SFH M3x8 ➊...
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XT8E 4. REAR SUSPENSION Ensure that the rear upright moves freely. If it does not move freely, use sandpaper to thin both wheelbase adjustment shims. 353370 SHIM 3x9x2 DETAIL Shims for wheelbase adjustment 960030 N M3 INITIAL SETTING Check for free movement.
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XT8E 4. REAR SUSPENSION 903312 SFH M3x12 902314 SH M3x14 3x14mm 908318 SCH M3x18 960030 N M3 3x18mm...
5. FRONT SUSPENSION XT8E #902407 HEX SCREW SH M4x7 WITH HEX FROM BOTTOM (4) 909372 352324 352314 352127 357212 901408 352314 902318 353371 352323 909395 352496 352126 901303 352006 333450 901305 352470 FRONT ANTI-ROLL BARS #352489 1.8mm OPTION 901312 #352490 2.0mm OPTION #352492 2.2mm OPTION...
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Middle position = 0.5 mm or 0.5° from center Outer position = 1mm or 1° from center The XRAY alu front lower suspension holders provide even greater range of adjustment for the front suspension. Using different combinations of eccentric The tables below describe the amounts of kick-up, front track-width change depending on the combinations bushings, fine adjustment of front kick-up, roll center, and front track-width of eccentric bushings used with 0 and 1mm, 1°...
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XT8E 5. FRONT SUSPENSION 1.5mm 901312 SB M3x12 Install the pivot balls with Professional Multi Tool (HUDY #183011). STEP DETAIL ➍ -2~0mm 901303 SB M3x3 901305 SB M3x5 DETAIL 3x3mm ➍ 902318 SH M3x18 ➋ 3x18mm ➌ 903308 SFH M3x8 3x5mm ➊...
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OPTION #352174 1° - STEEL OPTION #352175 2° - STEEL OPTION #352179 0° - COMP. INCLUDED #350906 XRAY XT8 ALU FRONT SUSPENSION CONVERSION SET - V2 STEERING BLOCK #352245 COMPOSITE INCLUDED #352254 ALU* OPTION CASTER BLOCKS #352273 18° RIGHT ALU* OPTION #352277 16°...
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XT8E 6. FRONT SUSPENSION Follow the TECH TIP on page 5 355292 for drive shaft pin servicing. P 3x16.8 NOTE ORIENTATION 980263 ➌ 2.5x13mm P 2.5x13 Marked “R“ ➋ 940816 13x19x4mm BB 8x16x5 NOTE ORIENTATION ➊ 3x16.8mm 8x16x5mm ➌ 941318 BB 13x19x4 ➊...
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XT8E 6. FRONT SUSPENSION Use tools to tighten as shown. LEFT RIGHT THREAD THREAD LEFT RIGHT THREAD THREAD Install the pivot balls with Professional Multi Tool (HUDY #183011). 54mm 54mm Right thread Left thread Left thread Right thread CAMBER 902318 SH M3x18 3x18mm 3x22mm...
COMPOSITE WING HOLDER BRACE WITH REAR BODY POST 357332 REAR LOWER OUTER PIVOT PIN (2) 351125 XT8'22 ALU CHASSIS - HARDCOATED SWISS 7075 T6 (3MM) 902335 HEX SCREW SH M3x35 (10) 351126 XT8E'22 ALU CHASSIS - HARDCOATED SWISS 7075 T6 (3MM)
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XT8E 6. FRONT & REAR ASSEMBLY 903410 NOTE ORIENTATION SFH M4x10 NOTE ORIENTATION 903412 SFH M4x12 XT8E 960040 N M4 4x12mm #293084 PRECISION BALANCING CHASSIS WEIGHT 10G (4) 903308 SFH M3x8 4x10mm CHECK GEAR MESH OR DIFF PLAY Locations for weights During assembly, there is no need to check gear mesh or diff play.
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XT8E 6. FRONT & REAR ASSEMBLY XT8E 3x40mm 902340 SH 3x40 903412 903414 SFH M4x12 SFH M4x14 960030 960040 4x14mm 4x14mm N M3 N M4 4x12mm 903412 SFH M4x12 DETAIL XT8E...
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XT8E 7. STEERING WIDER hole on TOP NOTE SPRING ORIENTATION 970121 DETAIL O 12.1x1.6 NARROWER hole on BOTTOM INITIAL PRELOAD SETTING DETAIL SET-UP BOOK SERVO SAVER 902308 SH M3x8 HUDY Tool Allen 3.0mm For servicing use Bearing Oil (HUDY #106230). 940610 BB 6x10x3...
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XT8E 7. STEERING 903410 SFH M4x10 NOTE ORIENTATION 3x12mm XT8E 3x10mm 3x12mm 3x12mm 3x10mm 902312 SH M3x12 IMPORTANT! USE ONLY LEFT HOLE USE ONLY RIGHT HOLE 903310 SFH M3x10 903312 SFH M3x12 NOTE ORIENTATION 903412 SFH M4x12 Check for free 960030 movement.
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XT8E 7. STEERING Install the pivot balls with Professional Install the pivot balls with Professional Multi Tool (HUDY #183011). Multi Tool (HUDY #183011). Left thread Left thread Right thread HOLD Right thread HOLD DETAIL 70.5mm 70.5mm Left thread Left thread Right thread Right thread 303123...
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8. CENTER DIFF & BRAKE #354011-G CENTER DIFF MOUNTING PLATE SET - HIGHER - GRAPHITE OVAL HOLE NOTE ORIENTATION 902316 ROUND HOLE SH M3x16 NOTE ORIENTATION When using ultra-efficient brake pads you need to Fibre pads together remove from the servo holder on radio case. #354121 STEEL BRAKE PAD - LASER CUT (4) DETAIL...
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8. CENTER DIFF & BRAKE 903308 NOTE ORIENTATION SFH M3x8 NOTE ORIENTATION OF ALL PARTS 3x8mm VIEW 903412 SFH M4x12 4x12mm NOTE ORIENTATION OF ALL PARTS Before inserting 3x30 long screws, loosen the four flat-head screws in the upper plate by 1/2 turn (CCW). Tighten all screws after assembly.
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XT8E 8. CENTER DIFF & MOTOR Threadlock on all screws. 902305 SH M3x5 961032 S 3.2 NOTE ORIENTATION NOTE ORIENTATION NOTE ORIENTATION 902330 SH M3x30 903308 SFH M3x8...
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Orientation for the Orientation for the SADDLE PACK ALTERNATIVE BRICK ALTERNATIVE (INITIAL SETTING) 903414 SFH M4x14 BRICK LAYOUT SADDLE PACK LAYOUT NOTE DIFF ORIENTATION NOTE DIFF ORIENTATION XRAY PINION GEAR DETAIL #355712 OPTION #355713 OPTION #355714 OPTION #355715 OPTION #355716...
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Use the cone included with your engine, 964074 or use OPTION XRAY cone #358540. S 7x10x0.3 When installing the engine, first check that the drive shaft does not touch the engine. If it does, remove some material from the engine 964075 mount as shown to make some room between engine and shaft.
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#358718 ALU STAND (FX, NOVAROSSI, MAX, SIRIO) EXTREMELY IMPORTANT It is very important that your XT8 has properly-adjusted gear mesh. Adjust the gear mesh so there is adequate (or slightly larger) space between the spur gear and clutchbell #358719 teeth. Adjust the gear mesh by sliding the engine mounts in ALU STAND (PICCO, REDS, the slots of the chassis.
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9. FUEL TANK & ENGINE DETAIL 353370 SHIM 3x9x2 902316 SH M3x16 903310 SFH M3x10 906206 SFP 2.2x6 #358661 GRAPHITE 150CC FUEL TANK GUARD DETAIL 901405 After running your engine, apply SB M4x5 (#106250 HUDY ENGINE AFTER RUN OIL). 903410 SFH M4x10 Bend the exhaust wire as appropriate to fit the muffler.
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XT8E 10. ELECTRONICS (Saddle Pack Alternative) Orientation for the SADDLE PACK ALTERNATIVE (INITIAL SETTING) Servo Screw (NOT INCLUDED) LiPo Short Pack LiPo Short Pack (NOT INCLUDED) (NOT INCLUDED) 902314 356200 352460 352460 902325 352670 302630 356153 352670 902325 960040 960030 902312 326176 326176...
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XT8E 1 0. ELECTRONICS (Saddle Pack Alernative) Servo Screw (NOT INCLUDED) 902312 SH M3x12 961032 S 3.2 902308 SH M3x8 902314 SH M3x14 903412 SFH M4x12 960030 N M3...
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XT8E 1 0. ELECTRONICS (Saddle Pack Alernative) ALTERNATIVE 1 Standard Battery pack CONFIGURATION FOR STANDARD BATTERY PACK (NOT INCLUDED) (INITIAL SETTING) 902325 SH M3x25 STANDARD BALANCE 903410 SFH M4x10 960040 N M4 To ensure correct functioning of the battery holder, do not overtighten the screw;...
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XT8E 10. ELECTRONICS (Brick Alternative) Radio case orientation for the BRICK ALTERNATIVE Servo Screw Speed Controller 902312 (NOT INCLUDED) (NOT INCLUDED) 902308 961032 306310 356200 907206 352460 LiPo Battery Pack Steering Servo 902314 (NOT INCLUDED) (NOT INCLUDED) 352670 902308 302630 902312 336000 352670...
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XT8E 10. ELECTRONICS (Brick Alernative) Servo Screw (NOT INCLUDED) 902312 SH M3x12 961032 S 3.2 902308 SH M3x8 907206 Antenna Receiver (NOT INCLUDED) 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.
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10. RADIO CASE Servo screw step (NOT INCLUDED) Plug the connectors into the receiver in Step 2. 902314 SH M3x14 961032 NOTE NOTE S 3.2 ORIENTATION Use the shims only if the servo is too high and extends from the case. step 3x10mm Use foam to cushion the...
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ALU SHOCK CAP NUT WITH 4 VENT HOLES - BLACK COATED (2) 358074 FOLDING SHOCK BOOT (4) 358365 XRAY FRONT SPRING 80MM - 3 DOTS (2) 358087-S SHOCK RUBBER MEMBRANE CELL - SOFT (4) 358385 XRAY REAR SPRING 90MM - 3 DOTS...
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XT8E 1 1. SHOCK ABSORBERS Install the piston with Professional Multi Tool (HUDY #183011). 6 holes 6 holes 358040 ø1.3mm pistons ø1.3mm pistons S 2.5x6x0.5 960026 SHORT rod LONG rod N M2.5 NOTE ORIENTATION 11.1 FRONT REAR DETAIL SHOCK SHOCK 2-WAY FLOW DELRIN SHOCK PISTON (4pcs) #358027 5-HOLE (1.5mm) 2-HOLE (1.0mm) OPTION #358028 6-HOLE (1.3mm) 2-HOLE (1.1mm) OPTION...
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XT8E 1 1. SHOCK ABSORBERS FRONT SHOCKS REAR SHOCKS DETAIL 970180 O 18x1.8 FRONT SHOCKS DETAIL REAR SHOCKS Professional Multi Tool (HUDY #183011). 1 mm DETAIL DEFAULT SHOCK REBOUND SETTING 0% (LOW REBOUND) Follow the steps below to set the shock rebound to the default setting of 0%. FRONT (SHORT) SET-UP HALF TIGHTEN...
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XT8E 1 1. SHOCK ABSORBERS FRONT shock PRELOAD DETAIL REAR SHOCKS FRONT SHOCKS SHORT front shock LONG rear shock REAR shock PRELOAD SHORT spring LONG spring IMPORTANT! SET-UP IMPORTANT! IMPORTANT! BOOK Both front shocks Both rear shocks SPRING RATE must be the same must be the same SHOCK PRELOAD FRONT &...
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12. FINAL ASSEMBLY SHORTER LONGER FRONT SHOCKS (SHORT) DETAIL INITIAL SETTING NOTE ORIENTATION 902318 902319 SH M3x18 SH M3x18 LEFT thread 960030 STANDARD N M3 M3x18 screw DETAIL 3x18mm SET-UP INITIAL SETTING BOOK On the front right arm use the SILVER M3x18 SHOCK ABSORBERS...
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12. FINAL ASSEMBLY SILICONE TUBING 901302 SB M3x2.5 961022 S 2.2 Servo screw (not included) Ensure that the servo is in neutral position before attaching the servo horn. DETAIL 903312 NOTE SFH M3x12 ORIENTATION 960030 N M3 To tighten the setscrew you can also use the HUDY 17mm Wheel Nut Tool #107570.
12. FINAL ASSEMBLY #358832 AIR FILTER RAIN COVER 902308 SH M3x8 Apply #106240 HUDY air filter oil and follow the engine instructions to service the air filter. Cut the silicone tube depending on engine and muffler. Use the plastic clips to hold the tubes together. SILICONE TUBE MARKED AS BLUE = FROM FUEL TANK TO CARBURETOR SILICONE TUBE MARKED AS...
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XT8E 12. FINAL ASSEMBLY WINGS WING SHIMS #353513-K BLACK INCLUDED 353565 #353565 COMPOSITE INCLUDED #353513 WHITE OPTION #293561 OPTION #353513-Y YELLOW OPTION #293561-O ALU OPTION 903312 #353512 LEXAN ® OPTION #353561 OPTION 353513-K 960030 359400 960030 358047 960030 351310 REAR SHOCK 358047 Body...
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XT8E 12. FINAL ASSEMBLY SHORTER LONGER REAR SHOCKS (LONG) INITIAL SETTING DETAIL NOTE ORIENTATION 902318 902319 M3x18 SH M3x18 LEFT thread STANDARD M3x18 screw 960030 DETAIL N M3 SET-UP BOOK INITIAL SETTING On the rear left arm use the SILVER M3x18 SHOCK ABSORBERS M3x18mm...
TROUBLESHOOTING XT8E GUIDE PROBLEM CAUSE SOLUTION • Fuel tank is empty or carburetor is not primed • Fill fuel tank with fuel and prime • Bad glowplug or dead glowdriver battery • Replace glowplug or recharge/replace glowdriver battery • Fuel lines, fuel filter, air cleaner, or muffler is clogged •...
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MAINTENANCE XT8E SHOCK MAINTENANCE The most important maintenance task for keeping consistent shock performance is refilling and bleeding them correctly. If built correctly, it will not be necessary to re-build them often. Replacing warped/hard rubber bladders and o-rings, scarred piston rods, or shaved/split/loose composite upper and lower ball joints are also important. •...
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RC AMERICA, 2030 Century Center Blvd #15, Irving, TX 75062, USA PHONE: 214-744-2400, FAX: 214-744-2401, xray@rcamerica.com /TeamXray /TeamXray /TeamXray /XrayRacing /+TeamXrayRC /XrayRacing...
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