Yamaha XS650 XS650S 650cc Ignition Points Housing Cover 1970-83 256-11157-03-00

Product Description

This authentic factory Yamaha left and right cylinder head side housing set is commonly known as the points housing and advance mechanism housing. Made from cast aluminum, both housings mount over the camshaft ends to seal engine oil and support the original ignition system. Key Features Camshaft Seal Support: Internal machined channels hold the camshaft oil seals and help prevent oil from entering the ignition chambers. Factory Fitment: Precision bolt holes provide secure alignment with the cylinder head. Ignition Mounting: Threaded points support ignition plates, advance components, and outer chrome covers. Compatible Models 1970–1971 Yamaha XS1 / XS1B 1972 Yamaha XS2 1973–1974 Yamaha TX650 / TX650A 1975–1976 Yamaha XS650 / XS650B / XS650C 1977–1979 Yamaha XS650D / XS650E / XS650F 1978–1983 Yamaha XS650 Special 1982–1983 Yamaha XS650 Heritage Special Later 1980–1983 TCI models retained these side housings to close the camshaft openings.