Yamaha - Gear assy, starting motor - 69W-81807-00-00Yamaha Starting Motor Gear Assembly Starter Drive System 69W 81807 00 00 Overview When you hit the key, this is one of the parts making that initial crank happen. If everythings working right, the engine turns over smooth and fires up without hesitation. But when this gear starts wearing out, youll hear itgrinding, slipping, or just not catching like it should. Its one of those components you dont see, but you definitely notice when its not doing its