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Hello SnoWest friends! I have been running a 2013 Summit 800 e-tec XM 154 for the past three years. Pretty much 2 years (broke my knee in 2013) it has about 7,000 miles on it now. It runs great starts everytime low too mid range RPMs are awesome. On the top end, starting last year, about 7,500-8,000rpms it hits a spot where is will cut out bad. It sounds like it has a cold and there is some "STUFF" in it's throat. Almost like it hits the rev-limiter but, not high enough RPMs. The only "mod" I have done is put a Bikeman Muffler on it (which makes the cutting out sound a whole lot worse).
I am wondering if anyone else has had the same problem? We also have a 2014 Summit 800 e-tec XM that will do the same thing from time to time. It also has a Bikeman Muffler.
I haven't done any messing around with the exhaust, checked compression, and so on. I understand 7,000 miles is a lot for a 2-stroke sled but, as far as I can tell everything is running fine. We have had rentals with more miles that run great. Any help or advise would be greatly appreciated!
I am wondering if anyone else has had the same problem? We also have a 2014 Summit 800 e-tec XM that will do the same thing from time to time. It also has a Bikeman Muffler.
I haven't done any messing around with the exhaust, checked compression, and so on. I understand 7,000 miles is a lot for a 2-stroke sled but, as far as I can tell everything is running fine. We have had rentals with more miles that run great. Any help or advise would be greatly appreciated!