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#1
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conversion from then to now
I red the flyier on the site of the V20 1983 and it said to put a engine of 150 to 200 Hp outborad; That was in 1983.
Now, if i want to put a brand new one, does it mean to have the same Hp in 2009 ? I mean technologie changed since 83. Does it mean we can upgrade for a higher Hp ? What do you think of Yamaha ? What's is your choice ? How many Hp ? Thank .
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V20 1984, 150 Hp Mariner, 15 Hp Mercury. Canada, Quebec 
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#2
06-20-2009, 09:36 AM
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Weight is very important, if you are re-powering a standard notched transom you can do a 200 two stroke, but in a four stroke I would stay with a 150 or 140. If they have a four stroke 200 that is close in weight to those you could do it, I don't know them well enough to say.
They used to measure HP at the crank on the outboards but have been measuring it at the prop for a long time now. A solid transom will handle 200 hp no problem, I think some were rated to 225. Think weight more than just hp unless you are trying to grab two adults up skiing or something and need the extra low end torque anything above 150 is diminishing returns on these hulls in my opinion.
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Willy 1986 V20 Old School 1992 V20 1992 150 Yamaha 1997 HydraSport 2250 Vector 2009 17' G3 Outfitter "G Spot" http://www.youtube.com/watch?v=TDebw...eature=related "I won't be wronged, I won't be insulted and I won't be laid on a hand on. I don't do these things to others and I require the same from them" JW
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#3
06-20-2009, 09:41 AM
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Oh and Yamaha is the best IMHO, especially in the four stroke realm with Zuki right on their heels.
In two strokes obviously the newer ETEC's are the way to go, power to weight ratio is superb. In older engines, two strokes, it is often viewed by many as a toss up between the major manufactures. I have had great engines from Yamaha, Evinrude, Johnson, and even an old Mariner that was a tough SOB. I think if I had to pick from a rack of used two strokes in the same condition and price it would be a Yamaha for me followed by Johnson/Evinrude. A lot has to do with what you are used to and knowledgable about.
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Willy 1986 V20 Old School 1992 V20 1992 150 Yamaha 1997 HydraSport 2250 Vector 2009 17' G3 Outfitter "G Spot" http://www.youtube.com/watch?v=TDebw...eature=related "I won't be wronged, I won't be insulted and I won't be laid on a hand on. I don't do these things to others and I require the same from them" JW
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#4
06-20-2009, 10:06 PM
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I've had a Honda 150 on mine since 04...flawless performance and real fuel-sipper from day one...
The 150-200 HP Etecs were not out when I had to repower...several of the guys here have used 'em and I believe it's a match made in heaven and would go w/the 200 inna heartbeat...perfect combo of weight and power for these hulls... 
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'74 V-20/ BF 150 '95 V-21/ BF 150 '84 V-20/ 200 2.4 Merc '87 V-20/'18 F150 Yamaha 
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