This premium, power valve friendly, synthetic lubricant has been providing racers and enthusiasts with the best protection available for over three decades. The smoke-free formula and great smell will ensure that the riders behind you will enjoy the quality of Klotz® as much as you're enjoying the performance benefits. Exceeds NMMA TC-W3®, JASO FD, ISO-EGD and API TC low ash specifications for certified warranty compliance in Ski Doo, Polaris, Yamaha, and Arctic Cat Snowmobiles. Not alcohol compatible.