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Sale!
Piston 1st. Oversize ( 0.25mm.) 05-0017 + piston pin & clips - Fits: 650's 1974-84 OEM Ref.# 447-11635-01. Piston Ring Set ( 05-0018) - 1st. Oversize - 0.25mm. ( for 1 piston ) Fits: TX/XS650's 74-84 (447 & 533 type engines - 1974-84). OEM Ref.# 447-11636-01. Note: 447 type rings interchange with European 533 rings but pistons do not. 447 rings do not interchange with original 256 rings used on 1970-73 models. Kit includes: 2 Pistons 1st. Oversize ( 0.25mm.) 05-0017 + 2 pins + clips + Rings (2 set 05-0018 ) -
Sale!
Stock 22 Tooth 5th. Main Gear (located on final output shaft). Replacement for original gear - OEM Ref. # 256-17251-04. 5th. gear commonly wears out and the engagement dogs causing the transmission to slip out of 5th. gear. Replace this gear if you have this problem (cases must be split to install). Fits: XS650's 1978-1984 Only! Note: Yamaha changed the shape of transmission gear teeth from 78 on and this is indicated by lines cut into the crest of each tooth. Part #05-0857 $46.95 Ea. -
6 Bolt Cam Chain Tensioner Case Gasket. (Can use for 4 bolt type). OEM Ref.# 306-12213-01. Fits: 1970-84 650's. Part #18-0860 $2.95 Ea. -
Out of stock
Cam Chain Tensioner Pivot Arm + mounting fasteners. OEM# Ref. 447-12220-00. Fits: XS/TX 650's 1974-84. Part #05-0004 $48.00 Ea. -
Used 447 stock cam - 74-84 type. Can be used in engine or as a core for regrinding. Part #05-0077 $60.00 Ea. -
Out of stock
- Grind 59a - Increased Torque thru entire RPM range. Easy bolt on power for the XS. Web Cam Grind 59a - Valve Lift .395 Duration 290 Degree, 1974-84 650 Yamaha. Use Cam with a performance Valve Spring Kit. Available for immediate delivery @ 199.00 Each Return a good Cam core and we refund you $50.00 - Why Wait ! ( Includes a $50.00 refundable core Charge ). Part #05-0027 $249.00 Ea. -
Sale!
Chromed Square Polished Valve Cover, 4 Hole Type. Part #24-2774 $15.95 -
Out of stock
Big Bore Cylinder Head Gasket (750cc. - 82mm.). Fits: Our XS Performance #05-0750 Big Bore Kits for 1974-84 447 type engines. Part# 18-0750 $32.95 -
Sale!
Big Bore (81mm.) 1st. Oversize Piston Kit - for 750 Engine Kit for Yamaha XS650's. One Forged Piston, 1 Ring set, 1 piston Pin, 1 set of rings for one piston. Features: Valve pockets cut for large valves, 2. Mos2 treated piston skirts. 3. Oil chanel for enhanced pin oiling. 3. 20mm.piston pins that are internally tapered for lighter weight. Piston weight approx 455 Grams. One Big Bore needs two Kits of Piston . Part #05-0753 $83.95 /Kit -
Sale!
Crank Main Bearing - Drive End - RH (Ball Type) - B6306C3 - Special. 1 Pc. used per engine. OEM Ref.# 93306-30604-00-00. Fits: 1970-84 650's Replaces the Discontinued and long unavailable Koyo brand original Bearing. Part #05-0008 $46.90 Ea. -
Clutch Pushrod (Short Outer Rod). Stock part for 1976-84 650's but will also work with 1970-75 parts. Part #39-6510 $6.95 -
Professional Adjustable Vise Grip Style Clutch Basket and Sprocket Holder Tool. Part #35-9052 $14.95 Ea. -
Sale!
Piston Ring Set-2nd. Oversize-0.50mm. (for 1 Piston). OEM Ref.#447-11610-20. Fits: TX/XS650's 74-84 (447&533 type engines) Note: 447 type rings interchange with European 533 rings but pistons do not. 447 rings do not interchange with original 256 rings used on 1970-73 models. Part #05-0020 $25.20 Ea. -
Sale!
Piston 2nd. Oversize (0.50mm.) + Piston & Clips. OEM ref.#447-11636-02 Fits: 650's 1974-84 Note: Piston rings are not included in kit Part #05-0019 $45.46 Ea. -
Sale!
Piston 1st. Oversize (0.25mm.) +Piston Pin & Clips. OEM Ref.#447-11635-01. Fits: 650's 1974-84 Note: Piston rings are not included in kit Part #05-0017 $ 45.45 Ea.
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Out of stock
Clutch Friction Plate Fit: All 650's 1970-84 - Sold Each - Order number of pieces required. 1980-84 models - use 6pc. 1974-79 models - use 7pc.. 1970-73 model clutch friction plates are No longer available but these later types can replace the originals! (6 friction and 5 steel drive plates were originally used). To use these late type friction plates remove the old clutch plate separator O-Rings (discard), and add 1 additional steel drive plate and replace all 6 old type thick friction plates with 7pc. of this new type friction plate. Part #39-1133 $6.29 Ea.