The copperhead (Agkistrodon contortrix) is a member of the pit viper family, like most of the venomous snakes in North America. The copperhead (Agkistrodon contortrix) is a member of the pit viper family, like most of the venomous snakes in North America.
The Command Thrust models use the same bigger gearcase housing as the Mercury 150 FourStroke, but with an all-new 2.38:1 ratio ideally suited for pontoons and heavier boats. Itâs the first true oversized gearcase in the industry for outboards in this horsepower range.
Mercury offered two trim levels: base and the more upscale Premier. In that first year, a 2.3-liter inline-4 rated for 153 horsepower and 152 pound-feet of torque powered the base Mariner. The base V6 and Premier models came with a 3.0-liter V6 good for 200 hp and 193 lb-ft of torque.