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  1. Engine/EFI/Drivetrain
    I’m working on my buddy’s 2009 kfx450r, and it didn’t run when it came in. I replaced the starter clutch, and the head gasket(coolant leaking into cylinder). It has spark, compression, and fuel, but I’m not sure why it won’t start. It doesn’t start with ether either. It might fire once or twice...
  2. Important Information
    Alrite my 08 Kfx 450r runs great when it runs but it's the second time I've replaced the battery in the last two years and the latest ones dead now too! I replace the battery and it starts and runs fine but after it sits for more that a day or so it will be completely dead. I've tried to charge...
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