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Recent content by boatbuilder57

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    "Old" HP vs. "New" HP

    I've heard it said that "older engines" had their HP rated at the engine whereas "modern engines" rate HP at the prop. Is that true? ...and if it is true, how do you compare? For example, my boat has a 1969 25HP Evinrude, and it is just a wee bit under powered. An older 40HP would be...
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    '71 Evinrude 40HP 40153G -- restoration questions...

    Hey everyone, I got a fixer-upper '71 Ski-Twin 40153G and I'm eager to get it running again. I've restored smaller & older engines before, but this one has some features with which I'm not too familiar. Let's begin with the charging generator. The seller told me that he always...
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