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Piston - Stock/Standard Size + piston pin & clips ( Kit Contains : 2 Cast pistons , 2 piston pins & clips 05-0013 + 2 sets of Piston Ring 05-0016) Piston Ring Set - Stock/Standard Size (for 1 piston) Fits: TX/XS650's 74-84 ( 447 & 533 type engines - 1974-84 ). OEM Ref.# 447-11610-00-00 Fits: 650's 1974-84 OEM Ref.# 447-11635-01-96 If you want to replace or go back to the stock 650cc piston, this is what you need. # 05-0013 Set -
Out of stock
Piston Pin - (20mm Dia.), OEM Ref.# 447-11633-00 Fits: 1974-84 XS/TX 650's Part #05-0014 $8.40 Ea. -
Out of stock
Piston Pin Clips (Pk./2) for 447 Pistons, ( 20mm. Piston Pin ) OEM Ref.# 93450-22027 Fits: 1974-84 XS/TX 650's Part #05-0015 $3.05 Ea. -
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Piston Ring Set - Stock/Standard Size (for 1 piston). OEM Ref.# 447-11610-00-00. 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. If you want to go back to a stock 650cc piston, this is the ring set you will need. If you want to replace rings on an original stock size piston this is what you need. Part #05-0016 $25.20 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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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!
Piston Ring Set-1st. oversize-0.25mm. (for 1 Piston) OEM Ref.#447-11636-01. 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 #05-0018 $25.25 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.
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Piston 2nd. Oversize ( 0.50mm.) + piston pin & clips - Fits: 650's 1974-84 OEM Ref.# 447-11636-01. Piston Ring Set - 2nd. Oversize - 0.50mm. ( for 1 piston ) Fits: TX/XS650's 74-84 ( 447 & 533 type engines - 1974-84 ). OEM Ref.# 447-11610-20. 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 ( 2nd over size pistons 05-0019) + 2 pins + Clips + 2 Rings set ( 05-0020) -
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.
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Out of stock
Piston 3rd. Oversize (0.75mm.) + Piston Pin & Clips. OEM Ref.# 447-11637-01. Fits: 650's 1974-84 Note: Piston rings are not included in the kit Part #05-0021 $25.46 Ea. -
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Piston Ring Set - 3rd. Oversize - 0.75mm. (for 1 Piston). OEM Ref.# 447-11610-30. 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 the original 256 rings used on 1970-73 models. Part #05-0022 $20.20 Ea. -
Out of stock
Piston 4th. Oversize (1.00mm.) + Piston Pin & Clips. OEM Ref.# 447-11638-01. Fits: 650's 1974-84 Note: Piston rings are not included in kit Part #05-0023 $45.46 Ea. -
Sale!
Piston Ring Set - 4th. Oversize - 1.00mm. (for 1 Piston). OEM Ref.# 447-11610-40. 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 #05-0024 $25.20 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. -
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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. -
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Chrome engine oil delivery pipe - Oem Ref.# 256-13161-01 Fits: All 1970-84 650's. Part #05-0030 $59.95 Ea. -
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Shift Shaft Assembly. OEM Ref.# 256-18101-03. The clip no longer included. Fits: All 650's 1970-84. Part #05-0031 $47.95 Ea. -
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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. -
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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. -
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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. -
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Shift Shaft Spring - Upper to Shift Selector Drum Arm. OEM Ref.# 90506-08007. Fits: All 650's 1970-84. Part #05-0039 $3.00 Ea. -
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Spring - Shift Selector Drum Detent Arm. OEM Ref.# 90506-10022. Fits: All 650's 1970-84. Part #05-0040 $3.00 Ea. -
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Damper Washer - Cam Chain Tensioner Rod to Spring Fits: XS1/1B (1970-72 ) 6.5mm. x 15 x 2.0mm. # 05-0041 $ 3.95 Ea -
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Shift Shaft Circlip, Installs on shift shaft groove on left hand side of bike next to shift shaft oil seal. Fits: All 1970-84 XS650's Part #05-0042 $0.95 Ea. -
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. -
Out of stock
High Performance Oil Pump - Double the oil volume pumped by the stock unit! Easy direct bolt in kit. Ideal for performance engines or those operating in hot climates. Fits: 1972-84 650's. Part #05-0044 $149.95/Kit