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  1. polaris66

    2010 polaris 800 engine piston scoring

    Thanks for the info. The failure was on the mag side, piston scoring at the exhaust port. Compression on mag cyl was 98psi 105psi on pto side, had a bad acceleration stumble in mid range. I have also read about turning the oil pump up 2 to 4 turns.
  2. polaris66

    txl 340 or centurion 500

    I have a 340TXL all stock 500 or 600 mls. on it. not sure what it is worth?
  3. polaris66

    2010 polaris 800 engine piston scoring

    Has anyone found the cause and a cure for the 2010 800 CFI4 melt downs? Is it a to lean issue with the mapping or a cold shot and lack of warm up as i have been told by polaris?
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