Premium, power valve friendly, synthetic lubricant. The smoke-free formula and great smell will ensure that the riders behind you will enjoy the quality of Klotz as much as you are enjoying the performance benefits. Exceeds NMMA TC-W3, JASO FD(#236), ISO-EGD and API TC low ash specifications for certified warranty compliance in Ski Doo, Polaris, Yamaha, and Arctic Cat snowmobiles. Not alcohol compatible. One quart (32 fl. oz.).