Mercruiser 250 HP Opti M2 Jet Drive – Whether you're running rivers or hauling to your favorite fishing hole, there's a Mercury Jet Drive perfect for your boating adventures. All Jet Drives are backed by more than 60 years of Mercury Marine engine innovation. Mercury Jet Drives are engineered and tested to the same brutal and exacting standards as Mercury outboards and MerCruiser sterndrives.

HP @ Impeller 250 (186 kW)
Max RPM (WOT) 5150-5650
Cylinder/Configuration V-6 (60 degree vee)
Displacement (CID/cc) 186/3047
Bore & Stroke (in) 3.63 x 3.00
Bore & Stroke (mm) 92.1 x 76.2
Fuel Induction System 2-stage Direct fuel injection
Ignition System PCM Digital Inductive
Alternator 60 amp/756 watt (belt-driven)
Weight (lbs / kg) 434/197 (engine and pump)
Lubrication System Electronically controlled, multi-point, variable ratio oil injection
Flush System Standard
Cooling System Self-draining
Starting Computer-controlled, electric with auto-prime and turn-key
Operator Warning System Engine Guardian – over-rev, overheat, low oil level, low battery voltage, oil system failure, water in fuel, low water pressure, engine sensor failure
SmartCraft Yes
Pump Type Mixed flow/high volume
Impeller Diameter (inches) 7.25
Impeller Diameter (millimeters) 184
Impeller Type 4-blade progressive pitch stainless steel
Trim System Adjustable plate
Gear Ratio 1.15:1
Exhaust System Tuned through-transom with dual mufflers, 3″ outlets
Gear Shift F-N-R with high thrust dual outlet reverse gate
CARB Star Rating 2