stefan magnus jonsson Posted September 19, 2017 Share Posted September 19, 2017 hi me name is Stefan and i´m in Iceland. i have yamaha tzr50 4YV AM6 it had low compression, 30psi. and i change cylinder, piston, rings, head, all gaskets, and bearings and still have low compression, any ideas Link to comment Share on other sites More sharing options...
finnerz89 Posted September 19, 2017 Share Posted September 19, 2017 Have you checked the reeds? Link to comment Share on other sites More sharing options...
stefan magnus jonsson Posted September 20, 2017 Author Share Posted September 20, 2017 no i havn´t, did use start spray in carburetor, spray is blown away from carburetor Link to comment Share on other sites More sharing options...
wild foamy Posted September 21, 2017 Share Posted September 21, 2017 Likely to be reeds I'd have thought. Link to comment Share on other sites More sharing options...
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