70hp Force 18’ pontoon

[Flattrack7]

Tach doesn’t work. What would suggested prop pitch be?

 

[Scott Danforth]

Tach doesn’t work. What would suggested prop pitch be?

The one that gets you to the upper part of the WOT RPM.

You will need to have a working and accurate tach

 

[roscoe]

Just a guess, but start with a 10p or 11p, and then check the rpm with the tach you are going to buy, something like a TinyTach, cheap, portable, easy to use.