hi all,,havent bin on here for a while so hi to everyone,,was out doing an enduro last wk bike was going great,,been siting for a few day so took it out for a run,,it was bacfiring and banging like hell,header glowing red which it has nevr done before,,and flames out the can,,spent the last few days checking everything,,leaks in exhaust,,changed jets,,checked hotstart ,carb boots,,and it still the same,,i have fmf powercore 4 standard header.,,and all the free mods done,,im at sea level,,main jet is 165,pilot is 45,and clip 4rth from bottom
tried various size of jets and nothing making any differnce,,im totaly stumped anybody any ideas?? oh and the revs hang hi for about 10secs before they drop to idel to,,
woould the valves couse this as its the only thing i havent checked yet,,,
hope somone can help,,thanks guys
Edited by topp38, November 03, 2013 - 04:06 AM.