'09 Crf450r issues when running hot
  • chuckmccabe
    Posts: 1
    Joined: Wed Jun 20, 2018 4:01 pm

    '09 Crf450r issues when running hot

    by chuckmccabe » Wed Jun 20, 2018 4:09 pm

    Picked the bike up a few weeks ago for a great price and started to have some trouble. It starts like a typical 450 that might need the valves adjusted, idles fine and runs great when the motor is cool/warming up but it seems like once the bike gets to temperature it starts to cut out. I replaced the air filter, tried new gas (always 91-93), tested fuel pump, new fuel filter, fresh oil and oil filter and new spark plug. The old plug did seem a little dirty/wet. Im not sure where to go from here. Raise the idle? Temp sensor? TPS? Ignition coil? Injector? Stator? I don't wanna dump money where it doesn't need to go. Anyone had this problem or have an idea?
  • Leardriver
    Posts: 462
    Joined: Wed May 05, 2010 10:33 am

    Re: '09 Crf450r issues when running hot

    by Leardriver » Wed Jun 20, 2018 5:59 pm

    It is so hard to guess, but here goes...fuel injector.

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