lexkyboater
Petty Officer 2nd Class
- Joined
- Apr 9, 2007
- Messages
- 191
Hi, researched this and couldn't really find any information on how to check size. I have a 93 Yamaha 115 with an aluminum prop that measures 6 3/4 inches from the outside of one blade to the center of the shaft hole, so that means it's a 13.5 inch prop, but don't know the pitch. I measured from the front of one blade to the back of it, at the base, and it's 3 1/2 inches. Took the prop off, no stampings, part numbers, etc. except a cursive C in the middle of it between the blades. I'd guess it's around a 19 inch pitch. The motor turns 5800 rpm at WOT on an 1984 15 1/2 foot Cheetah bass boat, if that helps. TIA, Steve