prop size

[57 special]

Just bought a 1997 Wellcraft 240 Coastal with a 225 Johnson I'm asumming its a 1997 Also the motor has no prop. Just looking for average use Lake erie walleye fishing. Can I get suggestions on what size to buy thanks in advance for your help

 

[Chris1956]

There are online prop pitch calculators to help you choose. Try the major manufacturers web sites. Pick a boat similar to yours and a similar motor and see what it says. You will need hull weight and gear ratio of the motor.