Jump to content

yfz 450 carb problems/tuning

Recommended Posts

i yave a 05 yfz 450 quad it has a boyesen fuel pump quick shot 1 180 main jet 45 pilot jet, its got a ajustable mixture screw in float bowl, needle non ajustable i belive its a gytr jet kit, not starting when hot flames popin out the exhaust, backfireing as well, dyna fs ecu tryed mixture screw at 2 turns exhaust glowed fead 2 leen i belived! 2.5 turns runs better but still has issues! please help me cheers:bonk:

Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Reply with:

  • Create New...