Engine

10mm Stainless Flat Washer - Pack/10

$3.42

Stainless Steel Flat Washers - 10mm - Pack/10Part Number: 49-0734

10mm. Chrome Crown Nuts - Pack/10 (49-0755)

$20.82

Polished Chrome Crown Nuts (pk./10) Short type - 10mm. x M1.25 thread x 16mm. high (17mm. hex)Part Number: 49-0755

10mm. Chrome Crown Nuts - Pack/10 (49-0756)

$20.82

Chrome Crown Nuts (pk./10) Long type - 10mm. x M1.25 thread x 21mm. high (17mm. hex) Note: Not for use as Head Nuts.Part Number:...

New

382pc O-Rings Kit with Plastic Case

$28.94

382pc O-Rings Kit with Plastic Case. 30 different sizes included in mm's. QTY---Width----Inside Dia.---------QTY---Width-----Inside Dia. 20X---1.78mm--2.90mm------------13X---2.62mm--9.19mm 20X---1.78mm--3.69mm------------13X---2.62mm--10.77mm 20X---1.78mm--4.47mm------------13X---2.62mm--12.37mm 20X---1.78mm--5.29mm------------13X---2.62mm--13.95mm 20X---1.78mm--6.07mm------------13X---2.62mm--15.54mm 20X---1.78mm--7.65mm------------13X---2.62mm--17.12mm 20X---1.78mm--9.25mm------------13X---2.62mm--18.72mm 10X---3.53mm--18.64mm----------10X---3.53mm--31.34mm 10X---3.53mm--20.22mm----------10X---3.53mm--32.92mm...

419pc O-Rings Kit with Plastic Case

$34.74

419pc O-Rings Kit with Plastic Case. 32 different sizes included metric sizes. QTY---Width----Inside Dia.---------QTY---Width-----Inside Dia. 20X---1.50mm--3.00mm------------13X---2.50mm--11.00mm 23X---1.50mm--7.00mm------------14X---2.50mm--13.00mm 23X---1.50mm--10.0mm------------13X---2.50mm--14.00mm 23X---1.50mm--13.0mm------------14X---2.50mm--16.00mm 20X---2.00mm--4.40mm------------14X---2.50mm--18.00mm 18X---2.00mm--5.00mm------------13X---2.50mm--19.00mm 14X---2.50mm--10.0mm------------14X---2.50mm--21.00mm 13X---2.50mm--22.00mm----------10X---3.50mm--31.00mm 10X---3.50mm--18.00mm----------10X---3.50mm--33.00mm...

Sold out

5th Gear

$92.74

Stock 22 Tooth 5th. Main Gear (located on final output shaft). Replacement for original gear - OEM Ref. # 256-17251-04. 5th gear commonly wears...

5th Overdrive Gear - .979mm

$92.74

5th. Overdrive Gear for Yamaha XS650 (1973-84), Fits Main shaft 0.979 mm ONLY. 0.984 inches or 25 mm (Hole diameter). 24 Tooth 5th. Pinion...

Sold out

650cc Replacement Cylinder and Piston Kit

$810.84

Big Fin Cylinder Block Fitted to Standard Size 650cc. Original type pistons. Includes Cylinder Block, fitted Stock type cast pistons, piston pins, clips, Head...

6mm Stainless Steel Flat Washer - Pack/10

$2.90

Stainless Steel Flat Washers - 6mm - Pack/10Part Number: 49-0732

6mm. Crown Nut for Tappet Cover

$3.42

6mm Acorn Nut for Tappet Cover (Crown Nut). OEM.Ref#95380-06800-00.Part Number: 49-0707

6mm. Washer for Tappet Cover

$1.74

6mm. Chrome Washer for Tappet Cover. Sold individually. D1 = 6.5mm D2 = 11.9mm S = 1.4mmPart Number: 49-0708

8mm Stainless Steel Flat Washer - Pack/10

$2.90

Stainless Steel Flat Washers - 8mm - Pack/10Part Number: 49-0733

8mm. Chrome Crown Nuts - Pack/10

$11.54

Polished Chrome Crown Nuts (pk./10) - 8mm. x M1.25 thread.Part Number: 49-0754

8mm. Chrome Washer

$1.74

8mm Chrome Washer, OEM.Ref# 95303-08800-00.Part Number: 49-0706

8mm. Tappet Cover Crown Nut

$2.90

8mm Tappet Cover Acorn Nut (Crown Nut). OEM.Ref# 95303-08800-00.Part Number: 49-0705

Sold out

Alloy Engine Advance/Points Cover Set (24-2771)

$86.94

Polished Chrome Aluminum Cam End Cover Set (2) - with XS Performance Logo. One cover for the advance side, one cover for the points...

Alloy Engine Advance/Points Cover Set (24-2772)

$86.94

Polished Chrome Aluminum Cam End Cover Set (2) - Plain, No logo. One cover for the advance side, one cover for the points side....

Alternator Cover Polished Aluminum (24-2653)

$63.74

Polished Billet Aluminum Alternator Cover with XS Performance Logo CNC cut into cover face. Fits: 1970-84 650'sPart Number: 24-2653

Aluminum Rocker Shaft Plug (Set/4)

$23.14

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 1970-84Part Number:...

Athena Premium Overhaul Gasket Set

$185.54

Overhaul Gasket Set - Made in Italy by Athena (A European original equipment supplier to Yamaha, Honda, Kawasaki, Suzuki and all major Italian bike...

Athesil - RTV Silicone Sealant

$19.66

Athesil, the brand new RTV (Room-Temperature-Vulcanizing Silicone) is the sealant developed by Athena, the world's leading brand of Aftermarket gaskets and sealing products, meets...

Sold out

Big Bore Base Gasket

$23.14

Base Gasket for Big Bore (860cc) Cylinders (91mm OD sleeve size). No dowel pins are used on these special large cylinders. 10mm stud holes....

Big Bore Cylinder and Piston Kit (750cc)

$958.10

ALL NEW PARTS! The ultimate complete bolt on Big Bore 750cc Cylinder and piston kit made for the XS650 Yamaha. Kit Fits: 1974-84 447...

Big Bore Cylinder Base Gasket

$21.98

Premium Base Gasket for Big Bore 750cc Cylinders (85mm OD sleeve size). Stock type stud holes (dowel pins are used). Chemically treated gasket material...

Big Bore Cylinder Head Gasket

$57.94

Big Bore Cylinder Head Gasket (750cc. - 82mm). Superior Quality by Athena. Fits: Our XS Performance #05-0750 Big Bore Kits for 1974-84 447 type...

Big Bore Gasket Set

$127.54

Big Bore Gasket Set (750cc) Includes valve stem seals, o-rings and head pipe gasket.Part Number: 18-0752

Big Bore Head Gasket

$69.54

Big Bore (87mm) Cylinder Head Gasket for extra large cylinders (approx. 860cc). No dowel pins are used on these special large cylinders. 1972-84 type...

Big Bore Oversize Piston Ring Set - 6th. Oversize (1.5mm)

$40.54

Big Bore Oversize Piston Ring Set - 6th. Oversize - 1.50mm. (for 1 Piston). For use with Big Bore 6th. over piston. Quality Made...

Bottom End Copper Sealing Washer Kit

$10.38

Bottom End Copper Sealing Washer Kit - 13 pc. Kit Contains: 6pc.of # 90430-08143-00 ( @ Crankcase Bottom - Nut washers), 2 pc.of #90430-06014...

Brass Cylinder Head Washer

$4.06

Brass Cylinder Head Washer Can be used as a substitute for stock cylinder head sealing washers (#01-0650). Used on four outer cylinder head studs....

Breaker/Advance Housing Screw Set

$8.06

Advance/Breaker Housing Screw & Washer Set (6pc. Set). Includes: 3 countersunk flat-head type screws and 3 matching starlock washers. 2 sets required to do...

Cam Chain

$75.34

Endless One Piece Cam Chain - Daido 219FTss x 106 - Pitch .3061" (7.774mm). Fits: (36 tooth cam) The latest high strength cam chain...

Sold out

Cam Chain - Tsubaki BF05M x 106

$69.54

Cam Chain Endless - 219FTSS x 106. Pitch .3061" (7.774mm.) Fits: TX/XS650's 1974-84 (36 tooth cam). Made in Japan.Also fits: SR500 E/F/G/H 78-81, XT500...

Sold out

Cam Chain - Tsubaki BF05t x 102

$63.74

Cam Chain - Tsubaki BF05T x 102 with Rivet Link. Pitch .315" (8.0mm). Made in Japan. Fits: XS1/XS1B/XS2/TX650 1970-73 (34 tooth cam). NOTE: Link...

Cam Chain Adjuster Cap

$9.22

Cam Chain Adjuster Cap as used on XS650C/D/E/F/G/H/SE/SF/2F/SG/SH 1976-81 Will also replace 82-84 type. OEM Ref. # 90176-18021-00Part Number: 05-0050

Cam Chain Adjuster Cover Gasket

$4.58

Cam Chain Adjuster Cover (Early) Gasket. OEM Ref.# 256-12214-00. Fits: Type A & B Tensioners as used on XS1/XS1b/XS2/TX650 (1970-73) 650'sPart Number: 18-0677