gasgasjtx270 Posted March 29, 2016 Report Share Posted March 29, 2016 can someone please tell me what main jet my 1997 gasgas jtx 270 should have please because i believe it is running rich? thank you Quote Link to comment Share on other sites More sharing options...
crazybond700 Posted March 29, 2016 Report Share Posted March 29, 2016 (edited) I have a pdf with the info. Dont know how to upload here but sent me a message with email and I can send you. ggman.pdf Edited March 29, 2016 by crazybond700 1 Quote Link to comment Share on other sites More sharing options...
peterb Posted March 29, 2016 Report Share Posted March 29, 2016 The JTX270 came with a 122 main jet as standard. These were always too rich. We used to run these with a 118 and some with a 115, try both. Standard needle was a D36, tend to be a bit lean at low revs, a D34 works very well. Bye, PeterB. Quote Link to comment Share on other sites More sharing options...
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