A legend in the making, durable, reliable and virtually maintenance-free, OptiMax is the most proven DI engine in the marine industry. The other guys can't compete with OptiMax acceleration or top speed. Our 2-stage DI system provides a consistent supply of atomized fuel and air for lightning-fast hole shots.
BEST-IN-CLASS FUEL EFFICIENCY
The innovative OptiMax DI system delivers the ultimate in efficiency, squeezing more miles and performance from every drop of fuel.
INDUSTRY-LEADING CORROSION RESISTANCE
OptiMax is built saltwater tough with more stainless steel and corrosion resistant components.
LIGHTWEIGHT, COMPACT DESIGNS
OptiMax boasts an outstanding power-to weight ratio, contributing to increased speed and better fuel efficiency. It's a great engine for any type of boat.
SMART FEATURES FOR EASY BOATING
OptiMax is controlled by the innovative Motorola® Propulsion Control Module (PCM) and is loaded with "smart" features that make boating more enjoyable, such as SmartCraft and Engine Guardian.

Mercury Optimax 250
