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About bulletproofcycle

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  1. bulletproofcycle

    Loud knocking

    What does it mean when the bike knocks when running? Is it piston slap. It is pretty loud.
  2. bulletproofcycle

    YZ125 HELP! Pilot knob adjustment!

  3. bulletproofcycle

    YZ125 HELP! Pilot knob adjustment!

    Once again this is regards to my 1979 yz125 and I believe my problems are due to a mis-adjusted pilot screw knob. It was set at 3 and 1/2, what is the proper setting?
  4. bulletproofcycle

    How do you remove gas from crankcase?

    I have a 1979 yz125 and in a previous post I mentioned how it would barely rev up. I know that the floats were stuck and possibly allowed oil/gas to fill up in the crankcase. How do I get the gas out?
  5. bulletproofcycle

    Need Help!! 1979 Yz125!!!

    I just bought a YZ125 and here are the probs: It start in two kicks and idles great As soon as you give it more than 1/8th throttle it coughs and won't rev higher at all. - I took apart the carb and cleaned everything and replaced the air filter and spark plug. The plug was wet fouling like crazy before I got it started. Thanks