2013 Skidoo Summit SP 800 e-tec, 154x2.5 track, T-motion, 2146 miles, can, DJ all elevation clutch kit set for 8000-10000ft, have other weights to adjust for 0-12,000ft of elevation, really easy to do, quick clickers on primary, installed bearing buddy on crank and isoflexed both outside crank bearings at around 1500 miles, new dual spring ice scratchers last year.