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1987 Yamaha YZ250
Adaptor replaces OEM cigarette lighter on 1992 and up models
That kit requires these tapered ends to be used on a DRR spindle which requires tapered fitment
Recommended for compression ratios up to 12:1
INTAKE VALVE GUIDE (BRONZE) 2023 Gas-Gas EC 250 1987 Yamaha YZ250We choose to use C630 nickel bronze as a material to make valve guides because of its ideal characteristics for the application. The 5 percent nickel content provides superior resistance to wear, and the 80 percent copper content delivers outstanding heat conductivity. 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
