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RPM info

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fixitman

Regular Contributor
"If my Tack is correct what ki

"If my Tack is correct what kind of RPMs should I get on this AQ120B ? My last boat was a 4 banger Chevy and if I remember right , seems like I only got about 3800 ."
 
I have an AQ125B and it gets a

I have an AQ125B and it gets about 4100 or 4200.
 
"Gents, your engines' maxi

"Gents, your engines' maximum RPM should be 4400-4800. If much lower, either the boat is overpropped or something else is not quite right."
 
Well how can i find out what s

Well how can i find out what size prop was originally on there cause when i rev it up in neutral it revs up to 6000 but when it is in gear about 4100 or 4200 is all its getting?
 
"What size of prop are you usi

"What size of prop are you using? Propeller selection is usually by trial and error. In any case, going down 2" in pitch from your current prop should give your engine about 400 more RPM."
 
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