Genuine Yamaha oil strainers for all years of the TW200. This is the small filter cup that is installed under the cap on the bottom left side of the engine and catches oil impurities after the oil pump. We sell this part with the O-ring that goes under the retaining cap for this part. The two Yamaha parts included with this kit are 51Y-13411-00-00 and 93210-347A1-00.