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  1. REV Chassis - Performance and Trail Models
    Purchased a tricked out Trygstad motor, new reeds, boots, and a clutch kit from I backshift. Performance was great, until the pto snapped at about 130 miles. E- mailed them on the same email chain I purchased the motor with, attached pictures where you can see the oxidization from the...
  2. MXZ / Legend / Summit / Grand Touring / Formula
    1999 Ski Doo MXZ 600 roughly 3,500 miles (I have another matching sled to this one so I can swap parts) I need help friends! I've tried about everything I can think of and I'm going crazy. I'm fairly mechanically inclined but I'm really new to snowmobiles. Please help. SOS 12-31-2019 First...
  3. Sledding - General Discussion
    Ok. Here's a way to do this witout special tools. It works well on the left side jackshaft (QRS) and driveshaft (Brake) bearings that are difficult to remove. First, grind off the old bearing with a hand disc grinder. BE CAREFUL NOT TO KNICK THE JACKSHAFT when you are getting to the bottom...
  4. REV Chassis - Performance and Trail Models
    With the help from a few posts on this forum and a few other topics on other forums I was able to replace my PTO seal without pulling the whole motor and splitting the cases. In some of the posts I read I felt that some information was missing so I thought I would make my own post to help out...
  5. Vintage Ski Doo's
    So I finally got ahold of a compression tester, and my 447 tested 121 PSI Mag, 28PSI PTO on average for both. I did 3 tests each. What are the acceptable compression levels for this motor? I am hoping to get away with rebuilding just the one side, assuming the other is ok, but I think 121 is way...
  6. REV Chassis - Performance and Trail Models
    Ive got an 04 800 renegade that i took out of storage for the first time this year. When i tried to start the sled, it would not pull over. Removed the plugs and pulled it over again, and oil came out of the pto side cylinder. Pulled the motor today, and removed the top end, and from what can...
  7. REV Chassis - Performance and Trail Models
    So I help my freind yesterday remove and clean his clutches on his 2004 500SS. The sled has about 1500 mi. When I pulled the primary clutch there was a lot of grease behind it on the PTO seal. It looked like dirty isoflex. I wiped it up and the seal looks great. Any ideas why the grease is...
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