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#1
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Anyone runnin a 150 4stroke???
Just curious if anyone else on here had a Yamaha F150 and what they get from it????? Just got mine on and seems to push the 20 like a champ......
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#2
03-08-2011, 01:41 PM
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This is what I am currently getting from mine with a 14.25 x 17SS and no tab
Sorry for weird format, just refuses to cooperate with me!!!!!! RPM MPH GPH MPG 1000 4 ------ ------- 1500 7 1.6-1.1 4.7-5 2000 8 2.3 4 2500 9 3.4 2.6 3000 11 5.1 2.2 3500 16 5.5 3 4000 28 7.2 3.9 4500 32 9 4 5000 34 10 3.3 5500 38 15 2.8 5800 41 16 2.6 6000 42 17 2.4 Last edited by ssiredfish; 03-08-2011 at 01:55 PM.
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#3
03-08-2011, 04:12 PM
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I've got no real comparison for you (being I'm a 2 smoker) but this what I get with mine with a 14x19ss prop. Yours is much better.
Idle 800rpm - 4mph - 3.38mpg 3900rpm - 30mph - 2.71mpg 4200rpm - 37mph - 2.63mpg WOT 5100rpm - 44mph - 2.32mpg I really need to put the other prop I've got on it to bring the rpm's up. Just too lazy.
__________________
 '75 Cuddy with '00 Johnson Ocean Pro 150 horse Benny
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#4
03-08-2011, 05:18 PM
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Ive got a 14.5x17 off my Johnson if your other doesn't work. Good price, short drive.......
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#6
03-08-2011, 09:48 PM
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that looks familiar!!!!!
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#8
03-09-2011, 07:19 AM
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Yamaha 150 4 stroke
Took ours out for first time on Saturday. I agree it does push it great. We got 46 mph (gps) without stretching the rpms out. I will play around with it a bit more this weekend.
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#9
03-09-2011, 08:40 AM
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Quote:
tsu gets 44 MPH @ 5100 RPM using 2.32 MPG ssir gets 42 MPH @ 6000 RPM using 2.4 MPG So Tsubaki is going 2 mph faster while using less gas and less rpm (wear and tear) on his engine. Ssiredfish, if it were me I'd put a 19P on your engine and give it another shot. I think you would definately benefit from the added pitch. 
__________________
1987 V20 w/1987 150HP Yamaha on a Shoreland'r Trailer 1978 16.5 Airslot w/1996 120HP Force on a Four Winns trailer 1996 V21 w/1993 200HP Mercury on a Shoreline Trailer All towed by a 5.7L Hemi Durango. If God didn't have a purpose for us we wouldn't be here, so Live simply, Love generously, Care deeply, Speak kindly. (Leave the rest to God)  Silence, in the face of evil, is itself evil. Not to speak is to speak, not to act is to act. God will not hold us guiltless.
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#10
03-09-2011, 09:20 AM
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It would be a better comparison if tsub were running the 17 pitch prop but looks to me like ssir is getting around 4 mpg at cruise while tsub is getting around about 2.7 mpg.
__________________
 1994 Wellcraft V21
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