Joeschwab Posted April 6, 2016 Report Share Posted April 6, 2016 Rebuilt motor completely it is bored .2 over it has decent sized porting running 300 main and not sure polite size 16cc cool head dome vforce reeds. Was riding at the track Sunday and all of a sudden left cylinder stopped rinning so when I got home I check compression I got 150 psi and I'm in colorado so that's about right cleaned carbs and it Semmes to be running again then I took it out it ran good for a couple pulls and now again same issue not sure what the problem is Quote Link to comment Share on other sites More sharing options...
thomas h. Posted April 10, 2016 Report Share Posted April 10, 2016 Eletrical issue I bet. Check harness Quote Link to comment Share on other sites More sharing options...
Larry's Shee Posted April 10, 2016 Report Share Posted April 10, 2016 Check that the filter on petcock is good. Might not hurt to clean inside of tank. Also check fuel cap vent. Quote Link to comment Share on other sites More sharing options...
Seanzaay Posted April 17, 2016 Report Share Posted April 17, 2016 Check your plugs I remember I didnt tighten my plug all the way once and the left cylinder stopped firing. Quote Link to comment Share on other sites More sharing options...
trickedcarbine Posted April 17, 2016 Report Share Posted April 17, 2016 Those dumb ass twist on tops for NGK plugs... Quote Link to comment Share on other sites More sharing options...
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