Re: Repowering 1972 23 CC
just read an article comparing the new big bore yamahas to their older 4 strokes. the numbers are ridiculous, (250 hp on 22 sea hunt w/ 3 adults): 3.3 liter motor: 3000 rpm, 21.1 mph, 4.49 mpg.....4.2 liter motor, 28.3 mph, 4.42 mpg. i know they are a heavy motor but cant be much worse than a 300 zuke.
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