1993 Ski Doo Rotax 580 Twin Snowmobile Engine Motor Formula Mach 1 Grand Touring. It has 131 lbs of compression on one side, and 134 on the other. Comes as pictured, missing the recoil, but includes everything behind it. This is not a 583, it is a 580cc. The item "1989 Ski Doo Rotax 580 Twin Snowmobile Engine Motor Formula Mach 1 Grand Touring" is in sale since Friday, October 30, 2020.This item is in the category "eBay Motors\Parts & Accessories\Snowmobile Parts\Other Parts". The seller is "dukers115" and is located in Vassar, Michigan. This item can be shipped to United States.