Search had great info, but just not exactly my setup or no resolution.
I've got a Grady White Escape 209 with a 96 Yamaha 150 SW2. I've lost about 600rpm off my top end. It's used to put out 5300-5400rpm and now tops out at 4700/36mph. Starts, idles, and runs strong right up to 4700 then stays...