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#1
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I have an older 7.5 EVINRUDE , but it runs crappy so I want to get another one . I have a friend with a 20 EVINRUDE 1992 with controls I can have it for $800 it runs sweet and has low freshwater hrs. has any one put a 20 on the back ? or is it to much weight ??
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#2
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I would think if you mounted it correctly it would be ok. Heavy bolts and maybe some type of large mounting pad and backing plate to distribute the weight. I can't imagine a 20 weighing a whole lot more than a 15, but depends on the model for sure.
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1985 Wellcraft V-20, Evinrude ETEC 150: SOLD 1979 Marine Trader 44, twin Ford Lehman 120s 2006 Panga 14, Tohatsu 20 |
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#3
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Well, a couple questions and a few comments.
Is it a 2 or 4 stroke? (Different weights). Where are you going to use it? What kind of water conditions? A comment. Since the engine is not enough to get your boat up on plane, then the larger you go, (hp) the more resistance you will encounter. In effect, your hull will act like a displacement hull, and your bow wave (and resistance) will increase with ever knot of speed you try to increase. So a larger engine will reach a point where the resistance of the bow wave is the same as the extra hp from the engine. In other words you'll see no or very little increase in speed. A bigger engine is not necessarily the proper choice. That's why I asked about what kind of water conditions you'll be using it in. Still water like a lake is much different than a swift current in a river or wave action in the ocean. In the last two, a larger engine will help out because of the increased external pressures placed upon your boat by the waves, wind, current, etc. Personally, I use a 9.9 hp engine. It's perfect for moving the boat thru the water for trolling, and it's still large enough to use as a get home engine should the main crap out.
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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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#4
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Thanks Destroyer she will be in long island sound , block island sound and the mouths of rivers, most of the time not more than 25 miles from my slip, OH yea its a 2 stroke
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#5
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keep in mind that 4 mph with a 20 will use quite a bit more fuel than 4 mph with a smaller kicker.
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#6
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Very good point SMOKE . concidering I will have to carry a pre mix fuel tank , and find a place to mount it , I think I would be better to find a 9.9 4 stroke YAMAHA to draw of my 60 gallon belly tank which uses the same fuel line conector. But with a easy steer it would work I guess
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