A high-quality, 1/12-pan car intended for persons aged 16 years and older with previous experience building and operating rc model racing cars (28 pages)
Phone: (800) 519-7221 * (214) 744-2400 many other goodies. We pride ourselves on taking excellent care of our customers. Fax: +421-32-7401109 Fax: (214) 744-2401 You can join thousands of XRAY fans and enthusiasts in our online community at: Email: info@teamxray.com Email: xray@rcamerica.com www.teamxray.com Failure to follow these instructions will be considered as abuse and/or neglect.
• Make sure that chassis screws do not protrude from the chassis. Please support your local hobby shop. We at XRAY Model Racing Cars support all local • For the best performance, it is very important that great care is taken to ensure the hobby dealers.
SYMBOLS USED Part bags used Assemble in the Assemble left and Assemble front Pay attention Assemble as Apply instant Apply oil Apply grease Apply specified order right sides the and rear the same here many times glue threadlock same way as specified (here twice) ➊...
Page 5
XT9 TECH TIPS FRONT & REAR DIFF GEAR MESH ADJUSTMENT Before filling 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.
Page 6
1. FRONT & REAR DIFFERENTIALS 355061 940816 964030 355020 971060 355090 355030 980212 971060 355080 903312 964060 940816 355043 OPTIONAL 355061 • High-performance adjustable front Active Differential for improved speed & handling • Fully adjustable on- and off-power performance using different internal segments and gears ACTIVE FRONT DIFF •...
Page 7
FRONT & REAR DIFFERENTIALS ➌ ➋ Graphite Grease 940816 BB 8x16x5 (HUDY #106210) STEP DETAIL ➎ ➊ ➍ Use HUDY Ball-Bearing 964060 Graphite Grease Grease for servicing: S 6x18x0.2 (HUDY #106210) #106220 - Standard ➏ #106221 - Extra #106222 - Premium ➎...
(short or 980314 long) and attach it to the show tower at P 3x14 the proper height. If an original XRAY XT8 Cut on both front body is used, use the SHORT body post. SHORT LONG...
Page 13
Outer position = 1mm or 1° from center The new XRAY rear alu lower suspension holders provide even greater range of adjustment for the rear suspension. Using different combinations of eccentric bushings, you can achieve fine adjustment of rear anti-squat, rear toe-in and rear roll center.. For more information about the influence of rear anti-squat, rear toe-in and rear roll center on car handling, please refer to HUDY Off-Road Set-up Book (#209099).
Page 14
REAR SUSPENSION 1.5mm 901312 SB M3x12 Follow the TECH TIP on page 5 to install the pivot balls 901303 SB M3x3 STEP DETAIL ➍ 901305 SB M3x5 ➍ 902318 SH M3x18 ➋ 903308 ➌ SFH M3x8 3x18 ➊ DETAIL DETAIL Step ➊...
Page 16
REAR SUSPENSION Follow the TECH TIP on page 5 Follow the TECH TIP on page 5 to install the pivot balls to install the pivot balls cAMBER RIGHT LEFT THREAD THREAD LEFT THREAD RIGHT THREAD DETAIL Use tools to tighten as shown Special Tool for all turnbuckles, nuts (HUDY #108090)
Outer position = 1mm or 1° from center The new XRAY alu front lower suspension holders provide even greater range of adjustment for the front suspension. Using different combinations of eccentric bushings, you can obtain fine adjustment of front kick-up and roll center.
Page 19
FRONT SUSPENSION 1.5mm 901312 SB M3x12 Follow the TECH TIP on page 5 to install the pivot balls 901303 SB M3x3 STEP DETAIL ➍ 901305 SB M3x5 ➍ 902318 SH M3x18 ➋ ➌ 903308 3x18 SFH M3x8 ➊ DETAIL Step ➊...
Page 21
FRONT SUSPENSION LEFT ASSEMBLY RIGHT ASSEMBLY 902305 SH M3x5 ➋ ASSEMBLY ➊ ➊ DISASSEMBLY Press pivot ball into arm until it snaps into place STEP DETAIL ➎ ➌ ➎ EccENTRIc BUSHINGS ➍ #352170 0° - STEEl (OpTION) Remove 3x5 screw holding composite #352171 1°...
Page 25
STEERING step step 3x10 902308 3x10 SH M3x8 3x14 902310 SH M3x10 902314 SH M3x14 903312 903410 SFH M3x12 SFH M4x10 960030 Optional XT9 alu reinforcement N M3 stand #356192, screw #902330 M3x30 not included. 4x10 3x12 Follow the TECH TIP on page 5 Follow the TECH TIP on page 5 to install the pivot balls to install the pivot balls...
Page 26
8. CENTER DIFF & BRAKE 902330 354040 901304 903308 354054 902316 354080 354040 354010 354121 354130 354110 902316 OPTIONAL GLUED BRAKE PADS SET - ULTRA EFFICIENT(4) #354131 CENTER DIFF 354011 903308 For less wear of brake pads, optional brake pads with springs can be used.
Page 27
CENTER DIFF & BRAKE 901304 SB M3x4 903308 SFH M3x8 NOTE ORIENTATION OF ALL PARTS 903308 SFH M3x8 Before inserting 3x30 long screws, loosen the four flat-head screws in the upper plate by 1/2 turn. Tighten all screws after assembly. DETAIL 902330 SH M3x30...
Page 29
7x10x0.2 / 0.3 / 0.5 964075 Use appropriate shims to achieve proper S 7x10x0.5 clutchbell endplay Use the cone included with your engine, or use optional XRAY cone #358540 964074 S 7x10x0.3 964073 NOTE ORIENTATION S 7x10x0.2 Tighten the clutch nut using...
Page 30
FUEL TANK & ENGINE 3x16 3x16 902308 DETAIL SH M3x8 902316 SH M3x16 903310 SFH M3x10 3x10 3x10 DETAIL Bend the exhaust wire as appropriate to fit the muffler. 903410 SFH M4x10 901405 SB M4x5 Not included...
Page 32
RADIO CASE Servo screw step 3x12 3x14 Plug the connectors into 902312 the receiver in Step 2 SH M3x12 NOTE ORIENTATION 902314 SH M3x14 step 3x10 Use foam to cushion the inside of the radio case so 3x12 the receiver and battery cannot vibrate or move.
ALU SHOCK BODY ADJ. NUT (2) 35 8019 XB9 COMPOSITE SET OF SHIMS FOR SHOCKS (2) 35 8188 XRAY XB808 FRONT SPRING SET C=0.98 - PURPLE (2) 35 8020 XB9 COMPOSITE SHOCK PARTS 35 8223 XB9 ALU REAR SHOCK BODY - HARD COATED (2)
Page 34
SHOCK ABSORBERS EXTREMELY IMPORTANT FRONT SHOCKS SHORT SHOCK ROD SHORT SHOCK BODY 970180 O 18x1.8 REAR SHOCKS LONG SHOCK ROD INCORRECT CORRECT LONG SHOCK BODY Do not push the shock rod straight Twist the shock rod through the through the lower shock body lower shock body assembly.
Page 35
SHOCK ABSORBERS FRONT SHOCK PRELOAD FRONT SHOCKS REAR SHOCKS SHORT FRONT SHOCKS LONG REAR SHOCKS REAR SHOCK PRELOAD SHORT SPRING LONG SPRING IMPORTANT! IMPORTANT! SpRING RATE IMPORTANT! SElEcTION Both front shocks Both rear shocks SHOck pRElOAD must be the same must be the same RIDE HEIGHT FRONT &...
Page 37
FINAL ASSEMBLY 902318 (SHORTER) (LONGER) M3x18 INITIAL POSITION NOTE ORIENTATION 3x25 902319 SH M3x18 LEFT thread INITIAL POSITION 960030 STANDARD N M3 M3x18 screw REAR SHOCKS (LONG) SHOck ABSORBERS On the rear left arm use the SILVER M3x18 screw - this screw has LEFT THREAD 3x18 Thread brake rods into plastic...
Page 38
FINAL ASSEMBLY DETAIL NOTE ORIENTATION 903312 SFH M3x12 960030 N M3 To tighten the setscrew you can also use the HUDY 17mm Wheel Nut Tool #107570 Apply air filter oil and follow the engine instructions to service the air filter. 902308 SH M3x8 #358832...
THROTTLE LINKAGE ADJUSTMENT NEUTRAl (IDlE) ADJUST INDIVIDUAL LINKAGES SEPARATELY TO AVOID INTERFERING WITH THE OPERATION OF THE OTHERS ~1mm ENGINE IDLING 0.5mm IDLING ADJUSTMENT SCREW. Use to adjust the idle setting of the carburetor. Do not allow carburetor to • Turn on the transmitter and receiver and set the engine control servo trim to the neutral position. close to less than 1mm.
Page 41
MAINTENANCE ENGINE OpERATION pREpARING TO OpERATE THE ENGINE • Never modify the engine or muffler. • For proper engine break-in, please refer to the manual that came with the engine. • Confirm the position of needle and idling before running. Be sure to run a new engine smoothly. •...
clUTcH BEARINGS To prolong the lifespan of the clutch bearings, they must be regularly cleaned and lubricated (preferably after each run) using a high-quality grease such as HUDY Bearing Grease. However, after some time the clutch bearings must be replaced with new ones. HUDY #106230 REcOMMENDED pRODUcTS •...
Need help?
Do you have a question about the 1/8 Luxury racing truggy and is the answer not in the manual?
Questions and answers