Recent content by thebvkid

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    Mcm140 running rough. No power. Two black plugs two lean plugs

    I've been searching on this site and on the net since I got the boat( about 3 months ago) and have found several posts similar to mine but always lacking in answers I have an 86 mach 1 Eclipse with an mcm 140 engine. I can't get it past 2000 rpm's without it missing, backfiring and lose...
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    merc 500 lower w/p base how to install?

    Hello, I have an older merc 500 thunderbolt and have been trying to replace the waterpump for some time now. I replaced the impeller and within seconds the new impeller melted ruining the impellr and housing. I had the hose hooked up to it so it should have been getting water. If anyone has...
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