How Many KM's before rebuild?

[rylester331]

How much to replace the top end , might do mine , got 3400,
Km and the compresion is at 145 on both cylinders!

 

[meatbag]

Replacing the top end depends on lots of things. For starters, what kind of riding was done with the sled? Mountain sleds are full throttle most of the time. Trails and ditch banging you'll likely get more km's out of it. If you ride it hard everywhere then your going to have to fix things sooner.