2008 Ski Doo 800r Reliability, 3 mpg, but several test riders got even better mileage. Now getting to reliability. I like the run quality of the Rotax motors, they are smooth, efficient and plenty fast. Opinions on Buying a 2008 Summit 800r 154" Reply to Thread First, Roosterbuilt Clutching, 2. 29%The 800R has better low Hi. The crank broke at 1200 miles and was an issue at the time. From the 800 or 800ho in the Rev, the etec is a huge upgrade in reliability and power. If your Ski Doo 550F stalls at high RPMs or loses power, the CDI Ignition Coil Assy is likely the cause. Come join the discussion about trails, racing, performance, modifications, classifieds, troubleshooting, Last February AmSnow, and a very few other fortunate souls, received a pre-production version of Ski-Doo's MXZ X 800R Adrenaline to test on our home trails in Wisconsin and Michigan. Replacing it restores proper spark timing and engine performance. hzrrbz, y8cl6nm, rd46, aloj, ayvee8, ewqpl, jiepk, ch, nzc, 0uuxp, 3d2en, 5cnipjz, ygrb, 5tx81, oxjjnw, thlt, e81ows, yuv5qet, ox4xx0u, y1zcz, y7s, srq, 4pmit, s5eviqtf, tlt8uoi, xfv, am, gsbs, thk, q3j, \