This is a race motor out of an 05 skidoo 800 mod race sled, motor has less than 1000 miles on it, and about 100 since fresh top end, I turned sled into trail sled and put a stock 800 into it is the reason I'm selling it, motor was built  professionally by dyna-tek racing and had 180+ HP when coupled with Crankshop twin pipes (pipes are not included in this listing, and pipes are already sold). Motor has ported cases, cases drilled for oil lubed crank bearings (isoflex delete), lightweight balanced & pinned race crank, race ported cylinders, 15.4 - 1 race gas head with swappable domes, dual ring MCB pistons, comes with stator, pickups, flywheel, and starter cup, also comes with MPEM, wire harness, and voltage regulator.