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Are today's 4-strokes more powerful than the old 2-strokes?
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<blockquote data-quote="Gotem" data-source="post: 379551" data-attributes="member: 9901"><p>Someone told me at a marina a 9.9 is a 9.9. It sounds simple enough, but don't they measure today's 9.9 at the prop or crankshaft compared to how they use to measure them back in the 70's and early 80's. My question is since there is a difference in how they measure the horsepower today, does that make modern outboards more powerful? Also if it is true, by how much or is the difference negligible?</p></blockquote><p></p>
[QUOTE="Gotem, post: 379551, member: 9901"] Someone told me at a marina a 9.9 is a 9.9. It sounds simple enough, but don't they measure today's 9.9 at the prop or crankshaft compared to how they use to measure them back in the 70's and early 80's. My question is since there is a difference in how they measure the horsepower today, does that make modern outboards more powerful? Also if it is true, by how much or is the difference negligible? [/QUOTE]
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Are today's 4-strokes more powerful than the old 2-strokes?
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