This Ski Doo T'NT 440 F/A Rotax Type 436 engine has some pitting in the cylinders and the previous owner told me that the crank needs work, but it seems pretty smooth to me. One piston is missing and the engine is just sitting together loose. The item "Vintage Ski Doo TNT 440 F/A Snowmobile Engine Motor Rotax Type 436" is in sale since Monday, May 4, 2020. This item is in the category "eBay Motors\Parts & Accessories\Snowmobile Parts\Other Parts". The seller is "drichardson2" and is located in Clarksville, Michigan.This item can be shipped to United States.