mlf Posted January 2, 2014 Report Share Posted January 2, 2014 Hi can any one help, I have fitted a 26mm Dellorto to my TY 250 twinshock but it will not rev out at the top end, It has a 120 main jet and a 44 pilot. does any one know what the correct jets are for this to work? Quote Link to comment Share on other sites More sharing options...
jse Posted January 2, 2014 Report Share Posted January 2, 2014 Hi can any one help, I have fitted a 26mm Dellorto to my TY 250 twinshock but it will not rev out at the top end, It has a 120 main jet and a 44 pilot. does any one know what the correct jets are for this to work? What condition is the plug in after a top end run and did this condition exist before the carb swap? Jon Quote Link to comment Share on other sites More sharing options...
lineaway Posted January 2, 2014 Report Share Posted January 2, 2014 44 is a huge size pilot. Also which carb are you using and what elevation/location. Quote Link to comment Share on other sites More sharing options...
mlf Posted January 2, 2014 Author Report Share Posted January 2, 2014 The plug was a little wet but not much. The carb is a PHBL26B Quote Link to comment Share on other sites More sharing options...
mlf Posted January 2, 2014 Author Report Share Posted January 2, 2014 Hi guys sorry no I didn't have the problem before and I am based just out side of London in the UK so not high up. Thanks for your help Quote Link to comment Share on other sites More sharing options...
lineaway Posted January 2, 2014 Report Share Posted January 2, 2014 I would try a 35 or 36 pilot and go from there. Check out this post. http://www.trialscentral.com/forums/topic/33609-gas-gas-pro-txt-04-250-main-jet/ Quote Link to comment Share on other sites More sharing options...
mlf Posted January 2, 2014 Author Report Share Posted January 2, 2014 Ok I will try a smaller jet Thanks Quote Link to comment Share on other sites More sharing options...
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