Piston Rings STD FIT Models: Motorcycle TT-R230 TTR 230 2005-2015 Motorcycle OFF-ROAD TT225S TT225T TT225L TT225LC 1986-1987 1999 Motorcycle TTR225 TT-R225 TT225RN 1999-2004 Motorcycle Serow XT225 1999 – 2007 Tri-Moto 225 YTM225 1983-1986 Moto-4 YFM225 1986-1991