The Mercury® exclusive X7® alloy makes the Chopper II propeller more durable than ever. The Chopper II, designed for 40-60 horsepower outboards, works well on boats requiring bow lift. The enhanced bow lift reduces drag, increasing the efficiency of the boat and improving overall performance. The Chopper II also permits higher engine mounting on the transom for greater speed.
WE TURN RAW EMOTION INTO HORSE POWER
We bigger adventure fueled by gasoline and adrenaline. We are cutting edge. We can take you wide open.
PROP SLIP CALCULATOR
Is it important to know your prop's slip? Only if you care about insignificant, little items like thrust.
PROP SCHOOL – PART 1: INTRODUCTION
Propellers are complicated, and levels of understanding vary widely. We revisit the basics and then dive deeper on propeller form, fit and function.
PROP SCHOOL - PART 2: TERMINOLOGY
In this article, Mercury Racing experts explain basic propeller terminology and fitment.
PROP SCHOOL - PART 3: BLADE RAKE
The science behind rake - the angle of a propeller blade face relative to its hub.
Ways to Buy
Connect with one of our authorized dealers to choose the right power for your build.