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  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  become  loose.  And  if  so,  reconnect 

them securely. Never use R/C models with damaged wires. A damaged wire 

is extremely dangerous, and can cause short-circuits resulting in fire. Please 

have wires repaired at your local hobby shop.

•  Low battery power will result in loss of control. Loss of control can occur due to 

a weak battery in either the transmitter or the receiver. Weak running battery 

may also result in an out of control car if your car‘s receiver power is supplied 

by the running battery. Stop operation immediately if the car starts to slow 

down.

•  When not using RC model, always disconnect and remove battery. 

•  Do not disassemble battery or cut battery cables. If the running battery short-

circuits, approximately 300W of electricity can be discharged, leading to fire 

or burns. Never disassemble battery or cut battery cables.

•  Use  a  recommended  charger  for  the  receiver  and  transmitter  batteries 

and  follow  the  instructions  correctly.  Over-charging,  incorrect  charging,  or 

using inferior chargers can cause the batteries to become dangerously hot. 

Recharge battery when necessary. Continual recharging may damage battery 

and, in the worst case, could build up heat leading to fire. If battery becomes 

extremely hot during recharging, please ask your local hobby shop for check 

and/or repair and/or replacement.

•  Regularly  check  the  charger  for  potential  hazards  such  as  damage  to  the 

cable,  plug,  casing  or  other  defects.  Ensure  that  any  damage  is  rectified 

before using the charger again. Modifying the charger may cause short-circuit 

or overcharging leading to a serious accident. Therefore do not modify the 

charger.

•  Always unplug charger when recharging is finished.

•  Do not recharge battery while battery is still warm. After use, battery retains 

heat. Wait until it cools down before charging. 

•  Do  not  allow  any  metal  part  to  short  circuit  the  receiver  batteries  or  other 

electrical/electronic device on the model.

•  Immediately stop running if your RC model gets wet as may cause short circuit. 

•  Please dispose of batteries responsibly. Never put batteries into fire.

WARRANTY

XRAY guarantees this model kit to be free from defects in both material and 

workmanship  within  30  days  of  purchase.  The  total  monetary  value  under 

warranty  will  in  no  case  exceed  the  cost  of  the  original  kit  purchased.  This 

warranty does not cover any components damaged by use or modification or 

as a result of wear. Part or parts missing from this kit must be reported within 

30 days of purchase. No part or parts will be sent under warranty without proof 

of  purchase.  Should  you  find  a  defective  or  missing  part,  contact  the  local 

distributor. Service and customer support will be provided through local hobby 

store where you have purchased the kit, therefore make sure to purchase any 

XRAY products at your local hobby store. This model racing car is considered 

to be a high-performance racing vehicle. As such this vehicle will be used in 

an extreme range of conditions and situations, all which may cause premature 

wear or failure of any component. XRAY has no control over usage of vehicles 

once they leave the dealer, therefore XRAY can only offer warranty against all 

manufacturer‘s  defects  in  materials,  workmanship,  and  assembly  at  point  of 

sale and before use. No warranties are expressed or implied that cover damage 

caused  by  what  is  considered  normal  use,  or  cover  or  imply  how  long  any 

model  cars‘  components  or  electronic  components  will  last  before  requiring 

replacement.

Due to the high performance level of this model car you will need to periodically 

maintain and replace consumable components. Any and all warranty coverage 

will  not  cover  replacement  of  any  part  or  component  damaged  by  neglect, 

abuse,  or  improper  or  unreasonable  use.  This  includes  but  is  not  limited  to 

damage  from  crashing,  chemical  and/or  water  damage,  excessive  moisture, 

improper  or  no  maintenance,  or  user  modifications  which  compromise  the 

integrity of components. Warranty will not cover components that are considered 

consumable  on  RC  vehicles.  XRAY  does  not  pay  nor  refund  shipping  on  any 

component sent to XRAY or its distributors for warranty. XRAY reserves the right 

to make the final determination of the warranty status of any component or part.

Limitations of Liability

XRAY makes no other warranties expressed or implied. XRAY shall not be liable 

for any loss, injury or damages, whether direct, indirect, special, incidental, or 

consequential, arising from the use, misuse, or abuse of this product and/or any 

product or accessory required to operate this product. In no case shall XRAY‘s 

liability excess the monetary value of this product.

Take adequate safety precautions prior to operating this model. You 

are responsible for this model’s assembly and safe operation.

Disregard  of  the  any  of  the  above  cautions  may  lead  to  accidents, 

personal  injury,  or  property  damage.  XRAY  MODEL  RACING  CARS 

assumes  no  responsibility  for  any  injury,  damage,  or  misuse  of  this 

product  during  assembly  or  operation,  nor  any  addictions  that  may 

arise from the use of this product.

All rights reserved.

QUALITY CERTIFICATE

XRAY MODEL RACING CARS uses only the highest quality materials,  the best 

compounds for molded parts and the most sophisticated manufacturing processes 

of  TQM  (Total  Quality  Management).  We  guarantee  that  all  parts  of  a  newly-

purchased kit are manufactured with the highest regard to quality. However, due 

to the many factors inherent in model racecar competition, we cannot guarantee 

any  parts  once  you  start  racing  the  car.  Products  which  have  been  worn  out, 

abused, neglected or improperly operated will not be covered under warranty. 

We wish you enjoyment of this high-quality and high-performance RC car and 

wish you best success on the track!

In line with our policy of continuous product development, the exact specifications of the kit may 

vary. In the unlikely event of any problems with your new kit, you should contact the model shop 

where you purchased it, quoting the part number.

We do reserve all rights to change any specification without prior notice. All rights reserved.

R/C & BUILDING TIPS

• Make sure all fasteners are properly tightened. Check them periodically.

• Make sure that chassis screws do not protrude from the chassis.

• For the best performance, it is very important that great care is taken to ensure 

the free movement of all parts.

• Clean all ball-bearings so they move very easily and freely.

• Tap or pre-thread the plastic parts when threading screws.

• Self-tapping screws cut threads into the parts when being tightened. Do not use 

excessive force when tightening the self-tapping screws because you may strip 

out  the  thread  in  the  plastic.  We  recommended  you  stop  tightening  a  screw 

when you feel some resistance.

• Ask your local hobby shop for any advice.

Please support your local hobby shop. We at XRAY Model Racing Cars support 

all  local  hobby  dealers.  Therefore  we  ask  you,  if  at  all  possible,  to  purchase 

XRAY products at your hobby dealer and give them your support like we do. If 

you have difficulty finding XRAY products, please check out www.teamxray.com 

to get advice, or contact us via email at info@teamxray.com, or contact the XRAY 

distributor in your country.

Summary of Contents for XB8 2017

Page 1: ......

Page 2: ...for all claims resulting directly or indirectly from the purchase ownership or use of the product By the act of assembling or operating this product the user accepts all resulting liability If the bu...

Page 3: ...al use or cover or imply how long any model cars components or electronic components will last before requiring replacement Due to the high performance level of this model car you will need to periodi...

Page 4: ...356 550cSt 100ml HUDY 106371 700cSt 100ml Silicone Diff Oil HUDY 106431 3000cSt 100ml HUDY 106451 5000cSt 100ml HUDY 106471 7000cSt 100ml Special Tool for all turnbuckles nuts HUDY 181090 Turnbuckle W...

Page 5: ...962131 S 13 x 16 x 0 1 mm 10 WASHER SUSPENSION DRIVETRAIN MAINTENANCE Check suspension for free movement during building and operation and especially after running and if you have crashed the car If t...

Page 6: ...ONE O RING 6x1 5 10 98 0261 PIN 2 5x11 5 10 BAG 940816 903312 355046 964060 355031 355031 971060 355022 940816 355091 964030 980261 971060 355084 355064 FRONT REAR FRONT 355064 FRONT 355065 REAR 35506...

Page 7: ...06221 BLUE 106222 RED IMPORTANT Use the same diff outdrives on both ends of a diff OIL OIL Fill the differentials with oil just above the satellite gears IMPORTANT VERY IMPORTANT OIL INCORRECT CORRECT...

Page 8: ...L BEARING 8x16x5 BLUE COVERED 2 96 4030 WASHER S 3 5x12x0 2 10 96 4060 WASHER S 6x18x0 2 10 97 1060 SILICONE O RING 6x1 5 10 98 0261 PIN 2 5x11 5 10 940816 BB 8x16x5 971060 O 6x1 5 964060 S 6x18x0 2 G...

Page 9: ...er diff 7 000cSt BOOK SET UP Fill the differentials with oil just above the satellite gears IMPORTANT VERY IMPORTANT OIL INCORRECT CORRECT Do not overfill the differential If there is too much oil in...

Page 10: ...DRIVE SHAFT COUPLING HUDY SPRING STEEL 35 5416 CENTRAL CVD SHAFT UNIVERSAL JOINT HUDY SPRING STEEL 35 5427 FRONT CENTRAL CVD DRIVE SHAFT HUDY SPRING STEEL 35 5471 DRIVE SHAFT LOCKING RING 2 35 5472 DR...

Page 11: ...5114 BEVEL DRIVE GEAR 14T 35 5236 CVD DRIVE SHAFT COUPLING HUDY SPRING STEEL 35 5416 CENTRAL CVD SHAFT UNIVERSAL JOINT HUDY SPRING STEEL 35 5625 REAR CENTRAL CVD DRIVE SHAFT HUDY SPRING STEEL LONG Gr...

Page 12: ...8 90 1303 HEX SCREW SB M3x3 10 90 1305 HEX SCREW SB M3x5 10 90 1312 HEX SCREW SB M3x12 10 90 1408 HEX SCREW SB M4x8 10 90 2318 HEX SCREW SH M3x18 10 90 3308 HEX SCREW SFH M3x8 10 90 9372 SCREW PHILLIP...

Page 13: ...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...

Page 14: ...ION 353424 2 4mm OPTION 353425 2 5mm OPTION 353426 2 6mm OPTION 353428 2 8mm INCLUDED 353430 3 0mm OPTION 1 5mm 6mm DETAIL 2 0mm L R STEP DETAIL DETAIL Loosen the 3x5 setscrew if the anti roll bar doe...

Page 15: ...08 REAR LOWER OUTER PIVOT PIN SCREW 3MM 2 90 1504 HEX SCREW SB M5x4 10 90 2310 HEX SCREW SH M3x10 10 90 2314 HEX SCREW SH M3x14 10 90 2318 HEX SCREW SH M3x18 10 90 2320 HEX SCREW SH M3x20 10 90 2330 H...

Page 16: ...freely use a HUDY Arm Reamer to resize the hole ARM REAMER 1 1mm INITIAL SETTING HUDY 107633 2x L R Check for free movement DETAIL DETAIL 2x 2x L R L R RIGHT THREAD LEFT THREAD OIL OIL Follow the TECH...

Page 17: ...2314 SH M3x14 903312 SFH M3x12 960030 N M3 902318 SH M3x18 902320 SH M3x20 902310 SH M3x10 3x18mm 3x18mm 3x20mm 3x10mm For stiffer wing mounting use 353550 ALU WING MOUNT BRACE BOOK SET UP DETAIL INIT...

Page 18: ...NT LOWER SUSP HOLDER FRONT SQUARE ADJ ROLL CENTER V2 35 2324 ALU FRONT LOWER SUSP HOLDER REAR SQUARE ADJ ROLL CENTER V2 35 2314 COMPOSITE SQUARE ADJ ROLL CENTER BUSHINGS V2 2 35 2460 PIVOT BALL 5 8 10...

Page 19: ...ombinations of eccentric bushings fine adjustment of front kick up roll center and front track width can be obtained For more information about the influence of kick up front track width and roll cent...

Page 20: ...ement Loosen the 3x5 setscrew if the anti roll bar does not turn freely Step L R STEP DETAIL 1 5mm 6mm Follow the TECH TIP on page 5 to install the pivot balls DETAIL DETAIL DETAIL BOOK SET UP FRONT A...

Page 21: ...52 940814 903312 35 7254 COMPOSITE BALL CUP 13 9 MM 2 35 7256 ALU SHIM 6x13x1 2 90 1504 HEX SCREW SB M5x4 10 90 3312 HEX SCREW SFH M3x12 10 94 0814 HIGH SPEED BALL BEARING 8x14x4 BLUE COVERED 2 94 081...

Page 22: ...til the pivot ball starts to bind then loosen slightly Verify that the pivot balls move freely ALU pivot ball BLACK color STEEL pivot ball SILVER color 2x 2x DETAIL Tighten hex nuts using HUDY tool 10...

Page 23: ...R BUMPER V2 35 3084 XB8 16 COMPOSITE REAR BRACE MEDIUM BAG 960040 960030 902325 353084 903412 903412 351200 351111 351200 90 2325 HEX SCREW SH M3x25 10 90 3412 HEX SCREW SFH M4x12 10 96 0030 NUT M3 10...

Page 24: ...24 6 FRONT REAR ASSEMBLY 902325 SH M3x25 903412 SFH M4x12 960030 N M3 960040 N M4 353280 GRAPHITE INSERT SET for extra stiffness adjustment DETAIL 903412 SFH M4x12 M3 M4 NOTE ORIENTATION...

Page 25: ...OINT 6 8MM 2 BAG 352576 352514 902308 303123 357222 357222 960030 352653 352666 352666 352659 960030 902310 960040 352611 351301 903310 903312 903308 940610 352505 352514 352579 902310 303123 960030 3...

Page 26: ...RING 902308 SH M3x8 940610 BB 6x10x3 903410 SFH M4x10 970121 O 12 1x1 6 For servicing use Bearing Oil HUDY 106230 4 5mm INITIAL PRELOAD SETTING DETAIL DETAIL 3 0mm HUDY Tool Allen 3 0mm BOOK SET UP NO...

Page 27: ...of eccentric bushings RIGHT THREAD RIGHT THREAD LEFT THREAD LEFT THREAD 30 15 mm 30 15 mm LEFT THREAD LEFT THREAD RIGHT THREAD RIGHT THREAD NOTE ORIENTATION NOTE ORIENTATION NOTE ORIENTATION NOTE ORI...

Page 28: ...N Adjustment block towards outside 2 0mm Check for free movement Check for free movement INITIAL POSITION 902312 SH M3x12 902310 SH M3x10 NOTE ORIENTATION Adjustment block towards outside 0 5 1 INITIA...

Page 29: ...UNTING PLATE 35 5712 17 XRAY 12 17T PINION GEAR OPTION 35 8783 XB9E ALU MOTOR MOUNT PLATE V2 35 8784 XB8E ALU MOTOR MOUNT V2 90 2305 HEX SCREW SH M3x5 10 90 2330 HEX SCREW SH M3x30 10 90 3308 HEX SCRE...

Page 30: ...30 902330 SH M3x30 903308 SFH M3x8 NOTE ORIENTATION NOTE ORIENTATION NOTE ORIENTATION 8 CENTER DIFF BRAKE 902305 SH M3x5 961032 S 3 2...

Page 31: ...minimal play between the gears TOO TIGHT gear mesh will put excessive strain on all parts and damage the parts TOO LOOSE gear mesh may result in stripped gears DETAIL 8 CENTER DIFF BRAKE NOTE ORIENTA...

Page 32: ...x12 10 90 7206 SCREW PHILLIPS 2x6 10 96 0030 NUT M3 10 96 0040 NUT M4 10 NOTE ORIENTATION LEFT THREAD RIGHT THREAD Use appropriate servo arm K 23T H 24T F 25T 356200 356120 356194 903412 Receiver NOT...

Page 33: ...8 902308 SH M3x8 907206 2x6 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...

Page 34: ...ouble Sided Tape NOT INCLUDED Cut Battery Plate View Tie Strap NOT INCLUDED ALETRNATIVE 1 ALETRNATIVE 2 INITIAL SETTING Speed Controller NOT INCLUDED Cut the foam as needed to fill in space between th...

Page 35: ...COATED 2 358041 358263 352460 358162 358042 358042 358084 960026 358040 358225 358124 970100 971034 970180 358074 358019 358142 358150 358335 358315 358053 358032 358033 358020 10 holes 1 1mm 6 holes...

Page 36: ...ect the free movement of the piston in the shock body FRONT SHOCKS REAR SHOCKS 2x SHORT shock body SHORT shock rod 2x LONG shock body LONG shock rod EXTREMELY IMPORTANT Do not push the shock rod strai...

Page 37: ...long use 550cSt oil Move the shock shaft up and down a few times to release the air bubbles trapped beneath the piston Orient the filled shock vertically for several minutes with the shock shaft fully...

Page 38: ...ively you may set the shock rebound setting to 50 or 100 as described below Remove the shock springs before performing shock rebound adjustment Fill the shock body with shock oil up to the top Make su...

Page 39: ...12 10 96 0030 NUT M3 10 353511 K 353565 902318 902319 358047 Tires NOT INCLUDED 358206 358047 355261 960030 960030 960030 358105 960030 960030 Front Shock Rear Shock 903312 359400 355261 Inserts NOT I...

Page 40: ...EAD Use STANDARD M3x18 screw 3x18mm L R 2x 902319 SH M3x18 LEFT thread 960030 N M3 902318 SH M3x18 REAR SHOCKS LONG On the rear left arm use the SILVER M3x18 screw this screw has LEFT THREAD Use STAND...

Page 41: ...utouts Before painting wash the inside of the body with mild detergent and then rinse and dry thoroughly Mask all windows Apply paint masks as appropriate Paint the body using paints formulated for po...

Page 42: ...rubber from the edges of their lips Curved body scissors work the best Regularly inspect the amount of dirt on the felt protector in the shocks if present and regularly replace with a new one During...

Page 43: ...cks are not working properly Suspension is binding Improper tires Rebuild the shocks and replace worn or broken parts Make sure suspension moves freely Replace worn or broken parts Use different tires...

Page 44: ...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...

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