Top Gear Replacement bushing … more durable than oem , .071 longer for less rocking movement and greater surface area spreading shock load. No oil holes as they have shown to be weak points in bushing .. recommend using Lucas M8 or a high quality synthetic Non oem Yamaha/ Cat gear lube and fill chaincase to top of sight glass for greater capacity and cooling.. press out old bushing and press new bushing in carefully without damaging gear .
Does not include gear , bushing only with installation required !