I run a 1997 Evinrude 90 SPL, (E90TSLEUA), on a 19ft center console boat. The motor runs absolutely flawless at all speeds. Compression is 120, + or - a pound or two in all four cylinders. It's propped for 5200 RPM at WOT and typical loads. And, I get about 30 knots on the GPS.
Sounds OK...