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#1
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Motor Proformane 1982 fish cc
Hi guys i have been a long time watcher of this forum. I was wondering what i should do for a new motor on my boat. I have redone alot on it and i need a motor that gets more than one gallon a mile. Thanks
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1982 Wellcraft V20 Fisherman 140HP Evinrude VRO 
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#2
07-24-2008, 07:04 AM
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A 150 is a perfect match to these boats! But there are more then a few that run less if speed is not your game, their are a few that run 115's propped right that say they get great numbers, and someone else with a John/suzy 140 that gets 3 mpg.
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1986 V20  Old Fishermen never die, we just SMELL that way!!
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#3
07-25-2008, 02:58 PM
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Actually its 5 mpg there MJ.
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*************************************** Stay Safe!  Sold - 1984 V-20 Cuddy with a 2003 Johnson 140 hp gas sippin 4-stroke. 1995 Ranger 250C with a 2015 Suzuki 300 hp 4-stroke.
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#4
07-28-2008, 09:24 AM
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What engine do you have now? I see you have 140 VRO listed, but that could be an 84 1/2 140 cross-flow gas hog. An 85+ 140 looper will actually get decent milage if it is in good tune and health. A 140 OMC looper should use roughly 8-10 GPH at a 4000 RPM cruise, and from others have posted should get you around 22-25 MPH. That would be close to 2.5-3 MPG for an old school 2 stroker.
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2011 SUNDANCE B20CCR SKIFF, 2011 YAMAHA 90HP 4 STROKE, 2011 KARAVAN SINGLE AXLE ALUMINUM TRAILER, LOWRANCE ELITE-7 HDI, MINN KOTA RIPTIDE TROLLING MOTOR 2000CC HYDRA-SPORT 225+HP EVINRUDE SOLD  AND THE PINK JEEP!!!! R.I.P. http://www.wellcraftv20.com/communit...ad.php?t=11664 
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#5
07-28-2008, 07:26 PM
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I have the same questions about the Mileage on the 150 four strokes. I am planning on repowering and I am leaning towards the Yamaha. Does anyone out there have an f-150 and if so what is the miles per gallon and the miles per hour? I pieced my 1975 V-20 together and used a 1996 Johnson 225 Loop. Just as everyone has mentioned, it is too much power and I am getting on average of 2.0 mpg.
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#6
07-29-2008, 07:48 AM
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I don't recall anyone saying they are running a Yammi 150-4, but you can go on the Yamaha web site and look at their "Performance Bulletins". Just find a boat with a similar hull and weight and you should get a pretty good idea of what it will do on a V.
http://www.yamaha-motor.com/outboard.../perfbull.aspx By the way, my Johnson 140 4-stroke gets 5 mpg and gives a top speed of 40 mph, I would think that the yammi 150 would do a little better on speed and maybe close on mpg.
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*************************************** Stay Safe! Sold - 1984 V-20 Cuddy with a 2003 Johnson 140 hp gas sippin 4-stroke. 1995 Ranger 250C with a 2015 Suzuki 300 hp 4-stroke.
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#7
07-29-2008, 07:50 AM
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Oh, and welcome to the site.....I lived on Pawley's for about 6 months in the early 70's.
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*************************************** Stay Safe! Sold - 1984 V-20 Cuddy with a 2003 Johnson 140 hp gas sippin 4-stroke. 1995 Ranger 250C with a 2015 Suzuki 300 hp 4-stroke.
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#8
07-29-2008, 12:24 PM
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The 150 YAMMI should do nicely on a V-20/21 I would think. They say they dyno close to 175HP consistently with them at the prop.
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2011 SUNDANCE B20CCR SKIFF, 2011 YAMAHA 90HP 4 STROKE, 2011 KARAVAN SINGLE AXLE ALUMINUM TRAILER, LOWRANCE ELITE-7 HDI, MINN KOTA RIPTIDE TROLLING MOTOR 2000CC HYDRA-SPORT 225+HP EVINRUDE SOLD AND THE PINK JEEP!!!! R.I.P. http://www.wellcraftv20.com/communit...ad.php?t=11664
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