Recent content by Yurri

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    1967 Merc 500 Thunderbolt running issue

    Hey guys I have recently developed a problem. I have a 1967 Mercury 500 thunderbolt. I took my boat out joy riding and after about an 14 mile ride, I suddenly lost power. It will run but only with the throttle about midway to WOT. I managed to limp it back and load it up to bring it home...
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    Prop for 77' Merc 500

    I have been entertaining the thought of changing props out on my 77' Mercury 500. My current prop is aluminum and is stamped 48 73132 A40 10P. It is operational but has seen better days. I don't know much about props and how do I know if I'm running the correct prop for my boat to buy a new...
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    1977 Merc 500 Thunderbolt cranking issue

    Hi guys, need some help please. I have a 77' Merc 500 Thunderbolt that I've owned for 1 year now. I ran it all of last summer and it cranked, started, and ran fine all season. I took it out of the garage, where it has been sitting for 4 months, this morning to test crank before heading to the...
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