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.
The new MSD Launch Control unit is specific for the Coil-On-Plug ignition system. Essentially, modular motors have a coil for each cylinder, which is charged/activated via the computer wiring harness. The MSD Launch Control interfaces with each coil and cuts spark to limit rpm. A separate activation switch (handheld button, clutch switch, micro-switch, and so on) is used to release the rpm limit and switch to the high-side limit.