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All Categories > Motorcycle Valvetrain Components > Yamaha® Motorcycle Valvetrain Components > Yamaha® TX™/XS™ 650 1974 to 1983 
 

Yamaha® TX™/XS™ 650 1974 to 1983

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Valve Spring Kits - Item # 80-80340

Lightweight Racing Valve Spring Kits for Yamaha® TX™/XS™ 650 1974-1983

Valves - Item # 80-80380

Black Diamond® Valves for Yamaha® TX™/XS™ 650 1974-1983

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All KPMI Black Diamond Stainless Steel Valves are impregnated by a special German process to .002" deep with a .0002" surface build-up to improve wear properties and reduce friction. This process provides resistance to corrosion and wear that is superior to that developed by hard chromium and electrolysis nickel plating. These valves are light and the profiles provide excellent flow characteristics.

Valve Guides - Item # 80-80370

Valve Guides for Yamaha® TX™/XS™ 650 1974-1983

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We choose to use C63000 nickel bronze as a material to make valve guides because of its ideal characteristics for the application. The 4-5 percent nickel content produces superior resistance to wear, and the approximately 80 percent copper content delivers outstanding heat conductivity.

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