I have a 2019 Suzuki DF20ATL2. Original prop is an aluminum 3 blade 9.25in 9 pitch and it works well on my 16ft 1979 Bass Tracker. I purchased a Solas stainless steel 9.25in 9 pitch as a replacement. The stainless steel doesn't work properly. RPMs seem to max out/over rev but doesn't push...