Ski-Doo Snowmobiles Forum banner
1970
1-4 of 4 Results
  1. Vintage Ski Doo's
    I have a mint condition 1970 TNT 400(399) that someone gave me to get her ready for the winter, My only problem so far is the track turns when it idles to the point that if I apply brake she will stale. Put a new Belt that is for this sled, loosen the belt between pulleys. Still have the...
  2. Vintage Classifieds
    I am looking for a pair of cylinders that are still within STD piston spec. The Cyl's I have are just a little too worn out to use with my brand new STD pistons. Trying to keep it a TNT engine instead of using alpine parts. If this doesn't pan out, then I am interested in oversized pistons to...
  3. Vintage Ski Doo's
    I'm doing a restoration on an oly 12/3 and need to replace piston rings as there is a bit of play in the cylinder. I figure I may as well replace the piston at this point as well. Bearings and cylinder walls all appear to be in great shape. I'm just having a hard time finding a piston and ring...
  4. Vintage Ski Doo's
    I have a Nordic, and we rebuilt the carb, and she started up one day, idled and ran fine, then the next day she starts really rough, and smokes like a chimney. It is dumping gas out of the carb, and seems to be loading up. Then we remove carb, took a look and all seems good, put back on, starts...
1-4 of 4 Results
Top