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Subject: TWL: Re: "Upgrading" outboards
From: Steven Dubnoff (sdubnoff@XXX.XXX)
Date: Fri Aug 02 2002 - 15:46:40 EDT
At 02:13 PM 8/2/2002 -0400, you wrote:
>snip
>For years Evinrude 9.9 amd 15 hp motors were exactly the same except for a
>throttle
>restriction screw on the lesser powered engine. Fifteen minutes with a
>screwdriver and you could get a 50% boost in horsepower
>snip
>snip
I think this may be an urban legend. This sounded too good to be true, so
I did a search on the outboard-intensive newsgroup, rec.boats, on "change
9.9 to 15" in order to find out precisely how to do it:
The consensus seems to be that, although these are built on the same block,
many parts (cams, carb jets, lower unit and so on) may differ between the
models.
Best,
Steve
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