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won't start

  1. General Discussion
    hi guys, i have a 2008 450r and i recently had the top end refreshened with new rings. the bike was running fine before but was burning oil. after i got the motor back in it wouldn't start. i checked and double checked everything i could think of but still no success. the starter is turning the...
  2. General Discussion
    Hey guys I'm new to this group. So sorry if it's in wrong place but I recently bought a 08 kfx 450 that was rebuilt with 12hr on it. I rode it for mabe about 20 min then it shut off now I can't get it running. It has spark fuel and good compression
  3. Engine/EFI/Drivetrain
    Help. I'm not a mechanic at all. I inherited a 2009 KFX 450r from a family member that hadn't used it in over 3 years. It still has the original tires with barely worn knobbies. In other words... It's pretty much like new. And it ran perfect before it was garaged up a few years ago. So of...
  4. Important Information
    Ok so my little brother left the key on the other day after riding my quad real quick so when I went to ride the battery was dead. I had someone waiting for me so I decided to take out the 75 amp or watt( not sure what it's called) charger for quick starts. The red piece fell off the battery...
  5. Engine/EFI/Drivetrain
    I was riding today and was just about to park it and it died right before I was about to shut it off. I still needed to pull it forward some, so I went to start it back up, but nothing happened. None of the lights come on, the FI doesn't cycle, nothing. It literally has a brand new battery...
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