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. A high-performance 2-stroke blend developed to stand up to the high temperatures, rigorous demands and stresses of competition engines. Used exclusively by the two-stroke Yamaha Factory Race Team riders. Special base stocks protect against wear and breakdown, low carbon deposits on pistons, rings and exhaust ports, reduces friction that allows for maximum horsepower. Yamalube P/N: LUB-2STRK-R1-24.