benbeta23 Posted June 28, 2009 Report Share Posted June 28, 2009 Hi, Does anyone know what the standard size of the main jet is on a 300 pro Gasgas Cheers, Ben. Quote Link to comment Share on other sites More sharing options...
motomerlin Posted June 29, 2009 Report Share Posted June 29, 2009 118 in a Dellorto... Quote Link to comment Share on other sites More sharing options...
brokeback Posted June 29, 2009 Report Share Posted June 29, 2009 What about in a 280 with a kelin carb? Quote Link to comment Share on other sites More sharing options...
motomerlin Posted June 29, 2009 Report Share Posted June 29, 2009 122 for a Keihin Quote Link to comment Share on other sites More sharing options...
benbeta23 Posted June 29, 2009 Author Report Share Posted June 29, 2009 Sorry I meant in a Keihin on a 300 Quote Link to comment Share on other sites More sharing options...
peterb Posted June 30, 2009 Report Share Posted June 30, 2009 Hi there, Std main jet on a Keihin on a 300 is too lean at 122, better with a 128. Bye, PeterB. Quote Link to comment Share on other sites More sharing options...
benbeta23 Posted June 30, 2009 Author Report Share Posted June 30, 2009 Hi there,Std main jet on a Keihin on a 300 is too lean at 122, better with a 128. Bye, PeterB. Thanks PeterB, No Wonder my bike isn't running right. Cheers. Quote Link to comment Share on other sites More sharing options...
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