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86 merc 20hp........not getting any speed

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  • 86 merc 20hp........not getting any speed

    hello there
    My outboard is not making my 12.6 fyran plane?Think it sounds alright.(first outboard ive owned)
    at full rev im moving at about slow jog pace.
    cleand carb,new plugs,stil lost.it has worked proper once,then it died.it did not sound well when it worked proper?on idle it would make a funny sound ever 5 or more seconds,but when i gave it full rev it plained and sounded sweet.thats when it died,couldnt start it,so paddled to shore,next day found tear in fuel line,fixed that and it started,but stil no speed,not even when i put it back in the situation with the tear?its like it is in low gear?????????????//
    kind regards,Mark

  • #2
    Compression and spark?

    Here is how to test

    http://www.themarinedoctor.com/cgi-b...num=1114482356

    TMD

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