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. Full-synthetic engine oil. Formulated for superior performance and durability. Designed to provide excellent thermal stability and enhanced fuel efficiency. Enhanced engine performance and protection for any on or off-road application. Modern balanced formulation designed to maximize the durability of today's advanced high-performance engine parts.