The MotoSport.com FilGuard Yamaha Full Synthetic Oil Change Kit includes TWO quarts of Yamalube Full Synthetic Oil With Ester and ONE FilGuard Premium Oil Filter with the following features: Yamalube Full Synthetic Oil With Ester: When it comes to Yamaha, it's all about the engine. And when it comes to the engine, it's all about performance. So whether you prefer the track, trail, highway, water or snow, choose oil and care products specifically formulated to enhance the performance of your Yamaha engine - Yamalube. This is Yamalube's best performance full-synthetic oil for use on the road or in the dirt. Fortified with ester, exceeds JASO MA certification, provides smooth shifting, no clutch slippage, gear protection, and quick revving.