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Compression Question

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  • Compression Question

    alright, I have had a misfire for awhile. so i did a compression test but I am not sure what is the lowest good psi for for these bikes i have a 2003 750 and my results were c-1-125/c-2-140/c-3-125/c-4-130. now they held these numbers w/o leaking down so idk if i need to make valve adjustents or if its just time to rebuild

  • #2
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    • #3
      cool thanks. once i get things going ill post the issue i had.
      also i got these reading on a cold engine. i guess if the test is meant to be done on a warm engine then my readings would have been higher when warm so this gives me a bit more confidence.
      Last edited by BlackKat25; 02-24-2017, 01:15 AM.