the bull Posted December 13, 2012 Share Posted December 13, 2012 (edited) Hi all, has anyone heard of a main needle becoming really lose? Mine vibrates and moves meaning it is impossible to run, does this meen I need to replace the main tuning needle or the whole carb? (The main needle I'm on about is the hsn tuning screw) I say that cos I can only find reference to it being called "the main needle" thanks all Edited December 13, 2012 by the bull Quote Link to comment Share on other sites More sharing options...
pym Posted December 13, 2012 Share Posted December 13, 2012 Common problem on them.dunno how to fix it. Quote Link to comment Share on other sites More sharing options...
chrisknights Posted December 13, 2012 Share Posted December 13, 2012 (edited) it could be the rubber seal is gone and needs replacing http://www.modelspor...-products/27550 double check yours to see if its the same , for a quick fit you can put PTFE plumbers tape round it Edited December 14, 2012 by chrisknights Quote Link to comment Share on other sites More sharing options...
R46 Posted December 14, 2012 Share Posted December 14, 2012 (edited) thats sign the O ring worn on needle, fix is too replace it. http://www.wheelspin....co.uk/i/20579/ Edited December 14, 2012 by R46 Quote Link to comment Share on other sites More sharing options...
the bull Posted December 14, 2012 Author Share Posted December 14, 2012 Thanks all much appreciated I it's been doing my head in for bloody weeks and only just discovered what the problem is new needle ordered hopefully that will do it. Just in case is the carb on the .28 the same as the .21? cos I can't find a .28 one. Quote Link to comment Share on other sites More sharing options...
nighstalker Posted December 14, 2012 Share Posted December 14, 2012 there the same carb mate, 1 Quote Link to comment Share on other sites More sharing options...
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