Hey guys I am new to props and out boards but I bought a sweet 2004 Yamaha 15hp two stroke for my gheenoe high sider. Everything is great on the motor but it came with a four blade stainless prop. I have heard from multiple people and forums that a 4 blade prop will be much slower than a 3 blade especially when the boat is over powered already. Should I keep the four blade or should I buy a three blade and if I should get the three blade what pitch would be ideal. Im new to this and I don't want to buy something until I get some solid input from people that have experience with props and pitch.