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04 4 stroke 25 hp

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  • 04 4 stroke 25 hp

    hello all, having some issues with spark or fuel? starts hard, runs on one cyl, then it will run fine then back to one cyl. cleaned carb,changed fuel filters,looked @ plugs nice & clean. any advice on this matter?
    Last edited by yahmaman; 07-31-2012, 12:01 PM.

  • #2
    Use a spark tester or a timing light to see if is loosing spark

    Have you tested compression ?
    and check fuel pump for leaking

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