AN UNBIASED VIEW OF YAMAHA 90 HP HIGH-PERFORMANCE MOTOR

select a propeller that puts the engine RPM on the midpoint or greater of your wide open throttle (WOT) variety with a normal load. This working variety will translate to the very best horsepower obtainable from a outboard. consult with your engine working manual for your operating assortment. Adjusting the trim will change the prop shaft as well