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power valve

  1. Off-Road / Enduro
    Hi I had problem with my KTM. My power valve was stopped working then I buy new piston with rings cleaned the cylinder put it back on the bike but it still doesn't have that power curve in high rpm. The power valve is working perfectly but still no power, like I'm riding a scooter. Cleaned carb...
  2. Off-Road / Enduro
    Hi all, I recently bought a KTM 200 and discovered a problem with it. The bike had been running perfectly at the bottom end but felt really choked at the top. I figured it was just running rich in the cold weather or possibly a gunked up power valve. I decided to take the bike apart over the...