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Boat House
Which prop for 40 hp Mariner? Updated: Pitch and Dia ?
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<blockquote data-quote="Zum" data-source="post: 146406" data-attributes="member: 349"><p>I expected your speed to be higher(thought youd be flying) as well but not knowing the weight or type hull you have it might be all you'll get.</p><p>Rpm's are the key thing to buying or getting the right prop.</p><p>The sell them tiny tachs down there pretty reasonable priced.</p><p>I had a 40hp suzuki with a 10 3/4 by 13 pitch on a 1652 boat,I could have gone to a 14 easily maybe even a 15pitch but didn't bother...even with the 13 was getting 33 gps.</p><p>Unless your outboard has some type of governor I don't know why your rpm's would drop when you go full throttle.</p><p>Have you done a carb cleaning?</p></blockquote><p></p>
[QUOTE="Zum, post: 146406, member: 349"] I expected your speed to be higher(thought youd be flying) as well but not knowing the weight or type hull you have it might be all you'll get. Rpm's are the key thing to buying or getting the right prop. The sell them tiny tachs down there pretty reasonable priced. I had a 40hp suzuki with a 10 3/4 by 13 pitch on a 1652 boat,I could have gone to a 14 easily maybe even a 15pitch but didn't bother...even with the 13 was getting 33 gps. Unless your outboard has some type of governor I don't know why your rpm's would drop when you go full throttle. Have you done a carb cleaning? [/QUOTE]
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Boat House
Which prop for 40 hp Mariner? Updated: Pitch and Dia ?
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