CRF450EXRACER Posted October 26, 2004 Report Share Posted October 26, 2004 I just bought some PTR midrange pipes and need help on jetting it. Mains, pilots, needle.I also have a Pro Flow w/ Pro Design filter. Any help would be appreciated. Quote Link to comment Share on other sites More sharing options...
sredish Posted October 26, 2004 Report Share Posted October 26, 2004 without airbox lid? what elevation? which filter, uni or k&n? expect 290 to 310, stock needle in 4th clip and a 27.5 pilot at sea level. Quote Link to comment Share on other sites More sharing options...
slowpokebanshee Posted October 28, 2004 Report Share Posted October 28, 2004 I am running 27.5 pilots, stock needle, and 280 MJ's, sea-level, with clamp on filters...hope it helps Quote Link to comment Share on other sites More sharing options...
Banchetta Posted November 2, 2004 Report Share Posted November 2, 2004 300 mains, needle 5th clip from blunt end, stock pilots, sea level. Quote Link to comment Share on other sites More sharing options...
tonsster Posted November 2, 2004 Report Share Posted November 2, 2004 Im running a 300 main, 27.5 pilot and have not touched the neelde,,,,,,,,,plug is a golden brown at sea level..................mother G Quote Link to comment Share on other sites More sharing options...
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