Propeller pitch and performance Your propeller’s pitch determines how far it moves forward per revolution. A pitch too low over-revs the engine without enough speed, while too high bogs it down.

I tested the Godfrey Sanpan 2700 powered by twin Mercury Racing 500R outboards. As the tachs climbed to 6,700 rpm, the speed rocketed to over 72 mph. I howled across the lake at over 100 feet per ...

Mercury Racing debuted the 3.4-liter V-6 150R and 200R outboards, providing boaters ­who seek high-performance outboards with lighter weight and array of performance-oriented choices in things such as ...