Mercury® MerCruiser® 4.5L

Specifications

HP / kW	200 / 149
Maximum RPM (WOT)	4400-4800
Engine type	V6, 2-valve/cylinder pushrod
Displacement (L)	4.5
Bore and stroke	4.0 x 3.6" / 102 x 92 mm
Recommended fuel	Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
Fuel ethanol tolerance	Up to 10%
Fuel requirement	90 RON 10% Ethanol Maximum Unleaded Regular 87 Octane Minimum (R+M/2)
Engine control system	Mechanical Shifting with Optional SmartCraft DTS Standard SmartCraft with Electronic Throttle Control
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	Easy Drain "Season Extender"
Exhaust system	Through prop
Cooling system	Water cooled with thermostat; FWC available as factory option
Lubrication system	Integrated wet sump
Recommended oil	NMMA Certified FCW 25W-40 Synthetic Blend
Engine guardian system	SmartCraft Engine Guardian
Dimensions (L x W x H)	28 x 30 x 22" / 696 x 740 x 559 mm
Weight (engine only)	761 lbs / 345 kg
Compatible drives	Alpha