thumps Posted April 28, 2006 Report Share Posted April 28, 2006 What pilot jet does everyone use on a keihn carb,its on a 2002 290 sherco and its got a 42 in it and its too rich,so i was wondering what everyone else uses because it had a 48 in it before and ive changed it and its still not right. Thanks Quote Link to comment Share on other sites More sharing options...
gasgasssser Posted April 28, 2006 Report Share Posted April 28, 2006 (edited) std jet for a 290 is 33 with a delorto. PS,what problems are you having?? Steve Edited April 28, 2006 by gasgasssser Quote Link to comment Share on other sites More sharing options...
motomax Posted April 29, 2006 Report Share Posted April 29, 2006 I run a 45 on a 250 Gasser and it's perfect. Are you sure that a 42 is too rich, for a 290 it should be waaaay too lean. I used a 50 on my 300 Pro last year. I ride between 500 - 1500 ft above sea level. You may have something else going on that makes it feel too rich. Quote Link to comment Share on other sites More sharing options...
robin m. s/c Posted May 2, 2006 Report Share Posted May 2, 2006 I run a 45 in mine and it seems perfect. Quote Link to comment Share on other sites More sharing options...
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