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Valve Stem Seals (Pk/4). Use these with Our New #05-0025 XS Performance Cam (Also Web Cams) and matching XS Performance Valve Spring Sets. Seals are 0.85mm shorter than our #01-0114 stem seals and this provides additional seal to valve cap clearance needed when using higher lift cams. Fits: All 650's 1970-84 Part #01-0115 $14.64 pk./4 -
Used Advance/Breaker Housing. 2 Used on each Engine. Fits: All 650's 1970-84. Part # 01-9011 $8.00 Ea. -
Out of stock
Camshaft Seals (Pk./2). Made in Japan. Fits 1970 thru 1984 Yamaha XS650. The dimensions of the seal are SDD 25-40-7. Triple Lip Fits: XS1/XS2 70-72, TX650/A 73-74, XS650 75-78, XS650 Special 78-84 Part #01-9016 $14.95 Ea. -
Valve Guide - Intake - Standard Size for 1970-84 XS/TX650's. Part #01-9087 $10.90 Ea. -
Valve Guide - Exhaust - Standard size for 1970-84 TX/XS650's Part #01-9088 $10.90 Ea. -
Sale!
Valve Collets (Keepers), (Pk./2) for Intake or Exhaust Valve, OEM # 341-12118-00. Fits: XS1/XS1B/XS2/TX650/XS650 1970-83. Part #01-9093 $5.00 Ea. -
Sale!
Tappet adjuster Screw and nut - 2pc.Set. Hex Socket type for easier adjustments . 4 sets used per engine. Fits: 1970-74 Part #01-9095 $4.60 Ea. -
Sale!
Camshaft Bearing - B16005 (Special C4 Clearance). 4 used per engine. Fits: All XS/TX650's 1970-84. Made in Japan by original supplier. Part #05-0007 $12.50 Ea. -
Out of stock
New XS Performance Street Cam - 447 Type - Can only be used with Pamco ignition with electronic advance as cam has no finished advance rod hole. Should be used with performance Valve springs and new rocker arms are recommended. Part #05-0025 $99.00 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, 1970-73 650 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 #05-0026 $249.00 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!
Shim for Valve Spring Seat - Original part used on cylinder head under the valve spring. Steel shim must be in place on head (often missing!) 1pc. fits below each valve spring assembly. Four required per engine. Fits 70-84. Part #05-0028 $3.80 Ea. -
Sale!
Performance Valve Spring Set (8 pc) with steel caps (4 pc). Special Valve caps provide maximum Cap to stem seal clearance. For use with the XS Performance #05-0025 Cam or Web cams or to replace original stock spring & cap sets. Fits: XS/TX650's 1970-84 Part #05-0029 $72.40 Ea. -
Sale!
Camshaft Internal Metal Bush for Advance Rod. 2 Used per camshaft on 1970-79 models (Points Ignitions) and also required if using Boyer ignitions. Fits inside cam in center (one each side). Note: These Bushings are usually missing from 1980-84's. Part #05-0032 $3.80 Ea. -
Out of stock
Camshaft Internal Metal Labrinth Seal (Bushing) for Advance Rod. 2 used per camshaft on 1970-79 models (Points ignitions) and also required if using Boyer Ignitions. Fits inside of camshaft and flush with ends (one each side).Note: These are usually missing from 1980-84's. Interchangeable with part #05-0034 Needle Bearing. . OEM Ref.# 256-11155-00. Part #05-0033 $4.90 Ea. -
Out of stock
Camshaft Internal Cam Needle Bearing - (Upgrade/replacement for #05-0033). Mounts flush with cam ends. Fits: All 650's 1970-84 Part #05-0034 $7.95 Ea. -
Out of stock
XS Performance Rocker Arm Set (4) with stock type valve Adjusters - Each assembly weighs only 5 oz. Fits: All 1970-84 650's. Note: Rocker Arms do Not have the decompressor lip as used on 1972- 73 Models. Sold in Sets of 4 Only. Warning!!! These rocker arms are for use with stock camshafts or our XS Performance cams and with stock diameter valve stems. High lift cams can cause the adjuster foot to exceed its range. Part #05-0037 $71.33 Ea. -
Out of stock
Cam Sprocket - 36 Tooth Replacement Sprocket for our 447 Type XS Performance Cam #05-0025 Note: This sprocket does Not fit any other camshaft. Part #05-0038 $29.00Ea. -
Out of stock
Cam Sprocket Bolts - Pk./2 for XS Performance Cam # 05-0025 Special 7mm. Bolts hold 05-0038 sprocket to Cam Part #05-0043 $5.55 Ea. -
Sale!
Rocker Arm Shaft. Sold per Pack/2. 4 pc. used Per Engine. Fits: 1970-84 Replaces OEM 256-12156-01-00 Part #05-0062 $12.00 Set of 2 -
Sale!
Polished Stainless Steel Intake Valve. Replaces OEM #341-12111-02. Fits: All 650's 1970-84. Collets Sold Separate. Part #05-0065 $22.35 Ea. -
Sale!
Polished Stainless Steel Exhaust Valve. Replaces OEM #341-12121-01 Fits: All 650's 1970-84. Collets Sold Separate. Part #05-0067 $22.35 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
New Shell #1 Grind Cam - 447 Type - by Web Cam Fits: 74-84 650's. ( Includes a $50.00 refundable core charge ). Part #05-0078 $249.00 Ea. -
Out of stock
New XS Performance Street Cam - 447 Type - But with 1970 XS1 Grind by Web Cam ( Includes a $50.00 refundable core charge ). Part #05-0079 $249.00 Ea. -
Sale!
Stainless Steel Rocker Shaft Plug & O-Ring Set. Set includes 4 Plugs and 4 O-Rings - Allen Socket Head Type. Fits: All XS/TX 650's 1970-84. Part #05-0080 $20.95 Ea. -
Out of stock
Aluminum Rocker Shaft Plug & O-Ring Set. Set includes 4 Plugs and 4 O-Rings. Allen Socket Head Type. Fits: All XS/TX 650's 1970-84. Part #05-0081 $20.95 Ea. -
Tappet Cover O-Ring - Made in Japan by original supplier (Ars). Sold Each. Fibre gaskets can be used on all 650's, these O-Rings can be used only on engines with the O-ring groove in the tappet cover cap. Part #18-0671 $ 9.95/Pk./4 -
Tappet Cover Gasket (4 Hole) - One piece used on each engine. OEM Ref.#306-11198-00. Fits: All model XS650's from 1972-84 Note: Gasket can be used in place of O-Rings used on later models. Part #18-0672 $2.95 -
Tappet Cover Gasket (3 Hole), OEM Ref.# 256-11196-01. Three pieces used on each 1972-84 engine or 4 pieces on all 1970-71 engines. Note: Gasket can be used in place of O-Rings used on later models. Part #18-0673 $2.95 -
Sale!
Used stock 650 Cylinder Head - 447 type - Takeoff - sold as is - 45 in stock at this time in 20/20. Decent shape for rebuilding - 72-84 type. No Cam, Cam bearings Tappet Covers or Cam end caps included. Usually has Rocker Arms, Rocker Shafts, Valves and Valve Springs. Components Untested. Number matched top and bottom castings. Part #18-0753 $99.00 -
Rear of Advance or Breaker Housing Gasket. 2 used on each engine. OEM Ref.# 256-11146-00. Fits: All 650's 1970-84 Part #18-0863 $2.95