15 merc modification help

[six four]

can anyone lead me in the right direction to get some more hp out of my 1990 mercury 15hp. I use it on a seaflee i build for playing and i have gained some weight. i was told drystacking would help, can anyone explain the easy way to do that process?

thanks,
SHandon

[bill van steenwyk]

courtesy of a long ago razorback

http.//www.hydroracer.net/forums/sho...er+outlet+Merc or there is also information and a link on BRF that leads you to it. You can also use the search function here and put in "plug water outlet on Merc 15" or something similar.

[ZUL8TR]

merc 15 cooling plug

can anyone lead me in the right direction to get some more hp out of my 1990 mercury 15hp. I use it on a seaflee i build for playing and i have gained some weight. i was told drystacking would help, can anyone explain the easy way to do that process?

thanks,
SHandon

Here is the link bill refers to

http://www.hydroracer.net/forums/sho...c+water+outlet