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All Categories > Motorcycle Valvetrain Components > Honda® Motorcycle Valvetrain Components > Honda® XR™ 250L
1991 to 1996
 
 

Honda® XR™ 250L
1991 to 1996

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303120_HON_XR400RFVC_Guide02_99_LRB

Valve Guides for Honda® XR™ 250L 1991-1996

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We choose to use the copper based C63000 nickel-aluminum bronze as a material to make valve guides because of its ideal characteristics for the application. The 4-5 percent nickel content provides superior resistance to wear, and the approximately 80 percent copper content delivers outstanding heat conductivity. KPMI guide profiles are designed to have minimal effect on the airstream while maintaining critical cross sectional thickness in high temperature areas, promoting high performance and endurance. The top portion of the guides are shortened when cam lift information available at the time of design shows that additional retainer to seal clearance is required.

700100018_Seals style4_LRB

Valve Guide Seals for Honda® XR™ 250L 1991-1996

KPMI Red 100% Viton® valve stem seals are designed to have optimum fitment, allow for maximum lift, and to give maximum life. KPMI Red valve stem seals are resistant to high temperatures, petroleum products and the corrosive gasses that are the by-products of combustion. These seals retain their ability to seal in situations where other materials could harden and allow oil to enter the combustion chamber causing detonation, carbon build up and a loss of power. The Red Ones are truly the racer’s choice.

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