Re: yahmaha 9.9 four stroke, hp upgrade?

Posted by Spike (24.58.80.23) on October 28, 2003 at 16:25:11:

In Reply to: yahmaha 9.9 four stroke, hp upgrade? posted by John Hicks on October 28, 2003 at 07:44:01:

Does Yahmaha use the same block for their next size motor?If so you can probably modify the 9.9.
But it will be more than just a carb.I wonder if
you could get a 15? and put a 9.9 cover on it.