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I N S T R U C T I O N M A N U A L FOR XB2C '25 E DITION...
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XRAY USA We have made every effort to make these instructions as easy to understand as possible. However, if you have any difficulties, problems, or questions, please DO NOT hesitate to contact the XRAY support team at info@ K Vystavisku 6992 RC America, 2030 Century Center Blvd #15 Irving, teamxray.com.
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Please support your local hobby shop. We at XRAY Model Racing Cars support all local hobby • For the best performance, it is very important that great care is taken to ensure the free dealers. Therefore we ask you, if at all possible, to purchase XRAY products at your hobby dealer movement of all parts.
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NOT INCLUDED XRAY offers wide range of optional tuning parts which are listed in a table like this. Please refer to the exploded view of each main section to verify which part is SAMPLE OF OPTIONAL PARTS included in the kit while all other parts are available only as an optional part and must be purchased separately.
BALL DIFFERENTIAL LCG - NARROW - SET 971050 324955 964031 324963 335030 964050 #325101 XRAY XB2 ACTIVE 304980 DIFF - NARROW - SET The ball differential is suggested for all types of dirt tracks and for bumpy 335030 Astro tracks.
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1. GEAR DIFFERENTIAL 964031 S 3.5x10x0.2 USE PROPER AMOUNT OF OIL IN THE DIFF 50.000cSt Silicone oil Fill just above the diff pin. Use a digital scale to measure the exact amount of oil in the diff. Remember that during operation the diff gets hotter and the heat may allow the oil to expand.
323029 902314 902305 # 323029-G #320905 GRAPHITE 3G GEAR BOX FOR XB2 5G GEAR BOX CONVERSION SET CHASSIS BRACE - SET For assembly instructions see page 46. 902305 HEX SCREW SH M3x5 (10) 323029 COMPOSITE 3G GEAR BOX FOR CHASSIS BRACE - SET...
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2. REAR TRANSMISSION #980320-T TITANIUM PIN 3x20 (2) Super lightweight ultra-precision hand ground titanium pins for high durability and long life. More than 40% 930308 BB 3x8x4 lighter than steel. 3x8x4mm BLUE rubber covers 6x12x4mm 940612 BB 6x12x4 3x20mm 3x8x4mm GEAR BOXES #323029 3 GEARS...
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2. REAR TRANSMISSION DIFFERENTIAL HEIGHT ADJUSTMENT Gear Diff HIGHEST HIGHER MIDDLE 1 DOT 2 DOTS 3 DOTS 1 DOT 3 DOTS 2 DOTS 1 DOT MIDDLE LOWER LOWEST NOTE ORIENTATION INITIAL SETTING NOTE ORIENTATION 1 DOT Dots must have same orientation NOTE ORIENTATION on each side (dots up or down).
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2. REAR TRANSMISSION 903308 SFH M3x8 3x8mm 3G Motor plate (-1mm) 1 Dot SPUR GEARS #365872 72T OPTION #365875 75T OPTION #365878 78T INCLUDED Outside Inside #365881 81T OPTION #324103 SLIPPER ELIMINATOR - SET NOTE ORIENTATION 72T INCLUDED Recommended for stock motor classes. Reduces rotating mass, reduces vehicle weight, and maximizes power throughput by eliminating the slipper clutch.
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The 1° Rear Lower Suspension holder increases rotation of the car. The XRAY rear alu lower suspension holders provide great range of adjustments 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.
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3. REAR SUSPENSION 902310 SH M3x10 902316 SH M3x16 INITIAL SETTING DOWN 902310 SH M3x10 903308 SFH M3x8 3x10mm 903310 SFH M3x10 3x8mm 3x10mm...
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#323492 1.2mm OPTION #323493 1.3mm OPTION 362650 #323494 1.4mm INCLUDED #323496 1.6mm OPTION 302663 XB2 REAR ANTI-ROLL BAR SET 362650 BALL END 4.9mm WITH THREAD 6mm (2) 302663 COMPOSITE BALL JOINT 4.9mm - OPEN - V2 (8) 03. 1 303455 COMPOSITE ANTI-ROLL BAR BALL JOINT 4.9mm (4)
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Front - less steering UPPER position We recommend for these types of surfaces and traction: • DIRT low & high traction • Wet ASTRO XRAY BALL-BEARINGS LOWER position #940512 5x12x4 OIL OPTION We recommend for these types of surfaces and traction:...
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3. REAR DRIVETRAIN LEFT = RIGHT LEFT = RIGHT INITIAL SETTING ORIENTATION OPEN Eccentric bushings SIDE CENTER CORNER orientation orientation orientation Open bushings must have same orientation on each side. LEFT = RIGHT INITIAL SETTING Alternative orientation ORIENTATION 902312 SH M3x12 3x12mm LEFT = RIGHT 03.
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3. REAR DRIVETRAIN Set the collar into the CENTER of rear anti-roll bar. 3x2.5mm Setscrew is already 901302 threaded in collar. SB M3x2.5 901304 SB M3x4 4 Strips 3x4mm Set the collar into the 3x4mm CENTER NOTE ORIENTATION REAR ANTI-ROLL BARS of Set screw #323490 1.0mm OPTION #323491 1.1mm OPTION...
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3. REAR DRIVETRAIN LEFT = RIGHT 306219 SHIM 3x6x3 902254 SH M2.5x4 ASSEMBLED VIEW 2.5x4mm TIGHTEN GENTLY 2.5x4mm LEFT = RIGHT THREAD SIDE THREAD SIDE SLOT ORIENTATION THREAD Ball ø5.4mm Thread 8mm Install with HUDY Multi Tool. THREAD Ball ø5.4mm Thread 8mm 30.4mm 30.4mm...
4. FRONT ASSEMBLY #322575 ALU STEERING PLATE FOR 1-PIECE CHASSIS - SET 940509 #322516 BAG 00.9 902306 ALU STEERING ARM FOR 1-PIECE CHASSIS - SWISS 7075 T6 (2) 930306 0.5mm BAG 00.9 322591 322574 962034 322515 940509 BAG 00.9 322552 902312 930306 BAG 00.9...
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4. FRONT ASSEMBLY 903308 SFH M3x8 ASSEMBLED VIEW #321255-G COMPOSITE ELEVATED SIDE BRACES L+R - LONG - GRAPHITE 3x8mm The graphite side braces makes car more stable and predictable. Suggested especially for high-traction conditions. 3x6x2.5mm STEERING PLATES 962034 S 3x4.7x1 #322574 HARD INCLUDED #322575 ALU OPTION...
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4. FRONT ASSEMBLY 3x6mm 902306 SH M3x6 5x9x3mm 940509 BB 5x9x3 5x9x3mm Hold alu servo pivot shafts with HUDY Multi Tool. FRONT LOWER ARM MOUNTS #322316 ALU 0º OPTION 902308 #322315 COMPOSITE 0° INCLUDED SH M3x8 #322312 BRASS 0º OPTION #322317 ALU +3°/-3°...
902254 903316 362658 303122 362625 362656 322660 BAG 03 #320904 ASSEMBLED VIEW XB2 ALU STEERING BLOCKS & C-HUBS - SET 903308 For assembly instructions see page 48. 902312 902312 903308 902254 322212 322284 - 1 SLOT (INCLUDED) 302293 322285 - 2 SLOTS (INCLUDED)
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5. FRONT SUSPENSION LEFT = RIGHT 902254 SPECIFIC ORDER STEPS SH M2.5x4 FRONT LSM SUSPENSION ARMS - LONG #322113-M RIGHT MEDIUM OPTION #322123-M LEFT MEDIUM OPTION #322113-H RIGHT HARD OPTION ASSEMBLED #322123-H LEFT HARD OPTION VIEW FRONT LSM SUSPENSION ARMS - SHORT #322117-M RIGHT MEDIUM OPTION...
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- More steering on low traction. NOTE ORIENTATION HARD - More free in corner on high traction. GRAPHITE - Less stopping in corner on high traction. XRAY BALL-BEARINGS INSIDE OUTSIDE OUTSIDE #940510 5x10x4 OIL OPTION #359050 5x10x4 GREASE INCLUDED LEFT = RIGHT 2x10mm ➊...
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5. FRONT SUSPENSION INITIAL SETTING 306219 2.5º SHIM 3x6x2 ASSEMBLED VIEW 902254 SH M2.5x4 Chassis Steering block Total KICK-UP 22º CASTER 2.5º CASTER 24.5º 2.5x4mm CASTER ADJUSTMENT LESS CASTER = increased steering off-power MORE CASTER = less steering off-power CASTER ECCENTRIC BUSHINGS 0º...
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5. FRONT SUSPENSION ROLL CENTER LINKS ASSEMBLED VIEW LEFT = RIGHT 303122 SHIM 3x6x1 Thread 8mm Thread 6mm INITIAL SETTING STEERING LINKS THREAD SIDE THREAD SIDE LEFT = RIGHT SLOT ORIENTATION Ball ø5.4mm Thread 8mm THREAD THREAD Ball ø5.4mm Install with HUDY Multi Tool. Thread 8mm 26.9mm 26.9mm...
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6. SHOCK ABSORBERS PISTONS ALTERNATIVE 1 #368033 PRECISION GROUND SHOCK PISTON We recommend for these types of 2.5mm 2.5mm BLANKS 2.5MM - BIG BORE (4) surfaces and traction levels: • CARPET INITIAL PISTON SETTING 2.5mm #368034 PRECISION GROUND SHOCK ø1.8mm ø1.6mm PISTON BLANKS 2.0MM - BIG BORE (4) Big Bore piston blanks 2.0mm or 2.5mm thick...
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6. SHOCK ABSORBERS EXTREMELY IMPORTANT SHORT LONG SHOCK SHAFT SHOCK SHAFT CORRECT INCORRECT DO NOT PUSH the shock SHORT SHOCK BODY LONG SHOCK BODY rod straight through the lower shock body assembly; X-ring damage may result. 970150 O 15x1.5 Install the pivot balls with #183011 HUDY Multi Tool 20mm IMPORTANT...
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6. SHOCK ABSORBERS INITIAL SHOCK REBOUND SETTING 0% REBOUND Follow the steps below to set the shock rebound to the default setting of 0%. INITIAL SETTING TIGHTEN FULLY 902205 SH M2x5 SHORT 300cSt LONG 300cSt 3~5x UP & DOWN ➊ ➋...
901304 322440 902312 307455 303455 322492 303454 XB2 FRONT ANTI-ROLL BAR SET 322492 ANTI-ROLL BAR FRONT FOR BRIDGE UPPER DECK - 1.2mm 303454 COMPOSITE BALL JOINT 4.9mm - OPEN (4) 362651 BALL ENDS 4.9mm WITH THREAD 8mm (2) 03. 1 303455 COMPOSITE ANTI-ROLL BAR BALL JOINT 4.9mm (4)
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7. FINAL ASSEMBLY Ball ø4.9mm 901308 Adjust the servo links length SB M3x8 3x8mm Thread 10mm according to the type of servo. Ball ø4.9mm Thread 8mm 90° 90° 1.5mm #293421 ALU CLAMP STEER. SERVO HORN EXTENDED 8mm - 23T 902306 SH M3x6 3x6mm #293422...
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7. FINAL ASSEMBLY ASSEMBLED VIEW 902312 SH M3x12 3x12mm Setscrew is already Set the collar into the threaded in collar CENTER FRONT ANTI-ROLL BARS 3x2.5mm #322489 0.8mm OPTION 901302 SB M3x2.5 #322490 1.0mm OPTION #322491 1.1mm OPTION #322492 1.2mm INCLUDED #322493 1.3mm OPTION ASSEMBLED VIEW 901304...
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7. FINAL ASSEMBLY 903312 SFH M3x12 3x12mm NOTE ORIENTATION 3x12mm LEFT = RIGHT ASSEMBLED VIEW 303122 SHIM 3x6x1 3x22mm 902322 SH M3x22 NOTE BALL SHORT SHOCK ORIENTATION 960030 NUT M3 INITIAL SETTING 3x22mm NOTE ECCENTRIC BALL ORIENTATION INITIAL SETTING...
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7. FINAL ASSEMBLY TIGHTEN GENTLY 902256 2.5x6mm SH M2.5x6 LEFT = RIGHT SHOCK POSITION ALTERNATIVES 901308 SB M3x8 OUTSIDE ASSEMBLED VIEW 903308 SFH M3x8 INWARD Shock position INITIAL SETTING OUTSIDE OUTWARD Shock position INSIDE 3x8mm NOTE 3x8mm ORIENTATION INWARD Shock position INSIDE OUTWARD Shock position...
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GRAPHITE PLATE FOR ELECTRONICS FOR 1-PIECE CHASSIS - SET 961025 322051 326152 913203 902256 XB2 FINAL ASSEMBLY SET 07. 1 322051 COMPOSITE FRONT SHOCK TOWER INSERT (2) 902256 HEX SCREW SH M2.5x6 (10) 323519 LEXAN FRONT WING - WIDE - RIBBED 913203 HEX SCREW 110°...
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7. FINAL ASSEMBLY 902306 Final Drive Ratio 78 : X x 2.65 = SH M3x6 (Spur) (Pinion) (IGR) NOTE ORIENTATION Pinion & Set screw (NOT INCLUDED) Motor (NOT INCLUDED) 3x6mm RECOMMENDED INITIAL GEAR MESH COMBINATIONS Adjust the motor so the pinion meshes Motor + Spur + Pinion = Ratio with the spur gear properly.
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7. FINAL ASSEMBLY To ensure correct functioning of the battery holder, DO NOT overtighten the screw; the holder must be able to move. 902308 SH M3x8 NOTE ORIENTATION NOTE ORIENTATION STANDARD BATTERY PACK LOW BATTERY PACK DO NOT overtighten the screw to avoid side guard damage.
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7. FINAL ASSEMBLY BATTERY WEIGHT BALANCE ADJUSTMENT NOTE DOT ORIENTATION MAXIMUM REAR POSITION MAXIMUM FRONT POSITION NOTE DOT NOTE DOT ORIENTATION ORIENTATION INCORRECT NOTE DOT ORIENTATION CORRECT MAXIMUM REARWARD POSITION NOTE DOT ORIENTATION MIDDLE POSITION MAXIMUM FRONTWARD POSITION...
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7. FINAL ASSEMBLY ALTERNATIVE 1 FAN (NOT INCLUDED) FAN ASSEMBLY BETWEEN BATTERY & MOTOR 902316 SH M3x16 #293101 #293112 HUDY ALU RC FAN 30MM HUDY BRUSHLESS RC FAN 30MM 3x16mm SIDE MOUNT 2 HOLE WITH INTERNAL SOLDERING TABS #293110 HUDY BRUSHLESS RC FAN 30MM WITH EXTERNAL SOLDERING TABS 903308 SFH M3x8...
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7. FINAL ASSEMBLY 903308 SFH M3x8 3x8mm XRAY LEXAN REAR WINGS #323510 THIN OPTION #323511 THICK OPTION #323513 THIN RANK OPTION #323517 THIN TEC INCLUDED #323522 THIN LUSH INCLUDED #323523 THICK LUSH OPTION 902256 SH M2.5x6 961025 S 2.5 2.5x6mm 2.5mm...
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Carefully cut out the body using appropriate scissors or cutting tools. ➐ Mask all windows. ➌ When you have finished cutting, peel off the external protective films. ➑ XRAY LEXAN BODY #329719 THIN EPSILON 2DL OPTION #329718 THICK PSILON 2D OPTION #329720 THICK EPSILON 2C...
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#365727 #365738 (NOT INCLUDED) TIRES (NOT INCLUDED) REAR WIDE AERODISK WHEEL (INCLUDED) FRONT SLIM AERODISK WHEEL (INCLUDED) XRAY FRONT AERODISK WHEELS XRAY FRONT AERODISK WHEELS #329900-M MEDIUM WHITE 10pcs OPTION #329910-M MEDIUM WHITE 2pcs OPTION #329900-H HARD WHITE 10pcs OPTION...
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OPTION PARTS (NOT INCLUDED) After assembly, check for free rotation of all drivetrain parts. ➋ Correct teeth play will be achieved after the final chassis assembly. ➊ 902312 3x12mm SH M3x12 ➊ MOUNTING HOLES ➊ 902314 3x14mm SH M3x14 Next follow the 5G Gear Box assembly instructions following these pages and steps: Page 11 / step 1 + step 2 Page 12 / step 1 + step 2 + step 3 Page 14 / step 1...
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OPTION PARTS (NOT INCLUDED) #325101 XRAY XB2 ACTIVE DIFF - NARROW - SET ACTIVE DIFF ON - AND OFF-POWER ACTION ACTION EFFECT The Active Diff behaves the same as a OFF-POWER standard gear differential. Adjustments are made using different viscosities of silicone oils;...
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OPTION PARTS (NOT INCLUDED) 3x12mm 3x8mm 303123-K 902254 SHIM 3x6x2 SH M2.5x4 2.5x4mm ASSEMBLED VIEW INITIAL SETTING 2 Dots 5x9x3mm 902312 SH M3x12 It is NOT possible to combine aluminum 903308 SH M3x6 blocks & c-hubs with composite ones. 5x10x4mm 3x12mm 940509 BB 5x9x3...
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