Recent content by Highmaster499

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    1983 50 HP Thunderbolt Merc.

    While I've got a shop manual on order, (back ordered) I was just wondering if any of you good folks could pin-point the location of my 50 hp - 4 Cyl. Merc's. fuel pump....also do you need any special tools to do the pump diaphram R & R.......<br /><br />Thanks and Happy New Year to all....<br...
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    Frozen Prop Removal

    Seems if there is little info on removing a frozen prop......here's how we did it. <br /> <br />For those Mercury OB owners who may have to tackle that job some where down the path, here's what we did. Time required 4 hours.<br /> <br />Using a side cutting wheel grinder we made a circular cut...
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    Need some help

    I just recieved a 1988 Starcraft Center Console that has a 1988 50 hp Mercury.<br /><br />It starts great and runs fine for about 15 minutes and then the engine slows to an idle speed. After a few minutes, it throtles up to full RPM again. I personally believe the boat is under-powered and...
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