This 92mm piston cylinder kit is a complete standard-sized replacement for the Scrambler 500 models from 1996 to 2010.It is compatible with part numbers 3087221, 3087224, 3089966, 3085075, 3085371, and 3085655.The kit includes a cylinder, piston, piston rings, wristpin, two circlips, head gasket, base gasket, head cover gasket, chain tensioner gasket, exhaust gasket, and cam cover gasket.The cylinder bore and stroke measure 92 mm x 75 mm.This kit is designed to restore function and fit for specified models.