Mercury® MerCruiser® 4.5L

Specifications

HP / kW	250 / 184
Maximum RPM (WOT)	4800-5200
Engine type	V6, 2-valve/cylinder pushrod
Displacement (L)	4.5
Bore and stroke	4.0 x 3.6" / 102 x 92 mm
Fuel requirement	90 RON 10% Ethanol Maximum Unleaded Regular 87 Octane Minimum (R+M/2)
Fuel delivery system	Computer controlled Multi-Port Electronic Fuel Injection (MPI)
Air induction	Performance-Tuned Scroll Intake Manifold
Ignition	SmartCraft PCM 112 Digital Inductive
Alternator amp / Watt	70 amp / 882 watt (Belt-Driven)
Water drain system	Air Actuated "Season Extender" (Bravo) Easy Drain "Season Extender" (Alpha)
Exhaust system	Through prop
Cooling system	Water cooled with thermostat; FWC available as factory option (Alpha) and packaged with SeaCore Drive (Bravo)
Lubrication system	Integrated wet sump
Recommended oil	NMMA Certified FCW 25W-40 Synthetic Blend
Dimensions (L x W x H)	696 x 740 x 559 mm
Weight (engine only)	343 kg
Compatible drives	Alpha Bravo One Bravo Three Bravo Two