I have the same motor '05 Johnson 115HP Carb
I'm using a S/S Viper type prop 13.375 X 17 on my 18' Skiff. A lot of power. Fuel consumption will be different on your SeaCraft Hull. No major problems.
__________________
  
1978 23' Superfish/Potter Bracket 250HP --------
as "Americans" you have the right to ......
"LIFE, LIBERTY and the PURSUIT of a Classic SeaCraft" -capt_chuck
|