15hp to 20hp 4 stroke conversion

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DeadShot

Cadet
Joined
Feb 16, 2010
Messages
7
Got a 07 15hp 4 stroke that I am trying to get more hp out of if possible. Everything is identical between the 15 and 20hp motors. Is there some way to convert my 15 to a 20?
 
D

DeadShot

Cadet
Joined
Feb 16, 2010
Messages
7
Re: 15hp to 20hp 4 stroke conversion

Is that all there is to it? I heard that something with the computer or something had to be changed too:confused:
 
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