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  #1  
Unread 07-07-2010, 09:49 AM
eaj eaj is offline
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Default what prop
v20 with 90 yamaha what prop 17 or 19 also need to get a full cover thanks eaj.
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  #2  
Unread 07-07-2010, 10:25 AM
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Default Don't take this the wrong way, but a
15p may put it on plane. I have a 17p Mirage on a 200 Merc that turns the proper RPM. IMO, no way will a 90 hp Yamaha turn a 17 let alone a 19. I know you will have more responses.
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Unread 07-07-2010, 11:07 AM
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Go out on flat days and just tool around, cause I don't think you ever getting on plane with that set up!
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Unread 07-07-2010, 01:04 PM
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Sorry to be the bearer of bad news, but you have too much boat for that engine, no matter what prop you have on it.

I had a V20 I/O with a 95hp engine.. on a good day with a tail wind and flat water I still couldn't get it up on plane, no matter what the trim of the boat. I came close a few times, but close doesn't make it. You need at least a 125 (IMHO).
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Unread 07-07-2010, 02:24 PM
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you may need a 13p or maybe a 15p but more towards a 13 with that small a motor.
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  #6  
Unread 07-07-2010, 03:18 PM
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Quote:
Originally Posted by Skools Out View Post
you may need a 13p or maybe a 15p but more towards a 13 with that small a motor.
X2 wit the 13P. Doel Fin, Trim Tabs and lighten her up as much as possible. I really like the 90 Yamaha but the boat would do better with two of them. My good friend had a 17' Chrysler Tri-hull with a 50 Johnson. It was a slug out of the hole and everywhere else but it worked. I hope the 90 will put it on plane. The hulls are efficient but I have the same doubts as Destroyer and MJ.
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  #7  
Unread 07-07-2010, 07:45 PM
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add another 90 Yamaha. That would be a cool set up
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