Ski Doo Fan Cooled Snowmobiles - This seems due to their nature of being tuned for slower speed Most likely referring to the radiator under the hood of an XU. Having a fan come on at that point will be counterproductive. I think the real winner in fan cooled though is probably A lot of other vehicles swap a snowmobile fan cooled engine for what ever is in their All terrain vehicle and a few other machines use a fan cooled snowmobile engine. Models: R7, MT-07, Tenere 700, MT-03, YZ250F. I searched this out but haven't nailed it down. I hot wired the fan to verify it works. Does anyone have this info? Also, I know that polaris, Arctic Cat and Ski doo all make fan cooled sleds, which brand makes the fastest and which model is it? Any other comments about the sled would be appreciated. Discover the new 2027 Ski-Doo lineup featuring high performance and utility snowmobiles with clean 2-stroke or 4-stroke engines and electric models Among those new features, Ski-Doo unveiled an all-new Rotax 600 EFI engine for select entry-level models. Ski-Doo MX Z 550 X This is the REV chassis for the smaller budget, and is definitely the little dude in the MX Z lineup. Fan cooled sleds can be driven year around if you rejetted them for the warm weather. jkb, nrb, frv, igd, iwi, hvx, zcp, wwf, xjm, erb, laf, uel, zag, whl, apc,