palanchou Posted August 30, 2011 Share Posted August 30, 2011 hi, had a rebore oversize new piston and rings, new gaskets, can not start her. compression still down. has any one ran new rings in by driving the crank with a drill.....yamaha dt 50 cc. thanks again, bill j. Link to comment Share on other sites More sharing options...
Moderator Cynic Posted August 30, 2011 Moderator Share Posted August 30, 2011 And the point of that would be? It still won't run, and compresion on a 2 stroke is a very mobile figure. Have you checked the other options such as ignition (which DT's are incredibly sensitive to) or fuel? Link to comment Share on other sites More sharing options...
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