Cylinder Sleeve - XS650
Stock 650cc Cylinder Sleeve. Replaces damaged or worn out original sleeve so engine can go back to stock piston size (approx. 74.94MM. or 2.95" ) or any of it's oversizes. ID, OD, length and thickness dimensions are the same as original.Fits: All 1970-84 stock cylinder blocks.Note: After installation of sleeve into your cylinder, sleeve must be sized(bored/honed) to accept the pistons you are using. This operation should be performed by a competent professional machine shop.