technowaldo Posted August 4, 2009 Report Share Posted August 4, 2009 hi having a bit of bother with my sons 07 125 rev 3 .its developed a really gutless flat spot just above tickover but when its reved above this its fine also wont tickover .ive cleaned the carb ,airfilter and new plug but cant think of anything else .anybody any ideas Quote Link to comment Share on other sites More sharing options...
nzralphy Posted August 4, 2009 Report Share Posted August 4, 2009 the needle could be loose or the carb manifold could have a leak?????? Quote Link to comment Share on other sites More sharing options...
ronm Posted August 5, 2009 Report Share Posted August 5, 2009 I couldn't say for sure about the 125, but the bigger Betas are sensitive to the exhaust system condition. I would clean the mid muffler and repack the silencer. It makes a huge difference on my 270. I would guess than the smaller bike is even more sensitive. Quote Link to comment Share on other sites More sharing options...
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