voyagerv20
New member
I have a 1997 90hp Force on a
I have a 1997 90hp Force on a 20' Pontoon at wot it has about 5500 rpm at 21mph I wanted to lower the rpm a little and get a few more mph. The prop on it (original) is stamped with 13p so I replaced it with a 15p. My rpm went up to like 5800 and mph went down to like 17. Could it be stamped wrong.
I have a 1997 90hp Force on a 20' Pontoon at wot it has about 5500 rpm at 21mph I wanted to lower the rpm a little and get a few more mph. The prop on it (original) is stamped with 13p so I replaced it with a 15p. My rpm went up to like 5800 and mph went down to like 17. Could it be stamped wrong.