MERCURY® MERCRUISER® Inboards

Proven technology, rock-solid reliability and an unbeatable combination of performance and fuel efficiency.

HP / kW	425 / 317
Maximum RPM (WOT)	4400 – 4800
Engine type	V8
Displacement (L)	8.2
Bore and stroke	4.47 x 4.00″ / 113.5 x 101.6 mm
Compression ratio	8.75:1
Recommended fuel	Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
Engine control system	PCM 09 with SmartCraft CAN capability OBD-M diagnostics Dual oxygen sensors
Fuel delivery system	Multi-point Electronic Fuel Injection (MPI) Sequential Fuel Injection with DTS
Air induction	High inertia induction system
Ignition	Distributorless ignition with knock control
Alternator amp / Watt	65 amp / 917 watt
Water drain system	Single point air actuated
Exhaust system	Tuned runner exhaust manifolds with 316 stainless steel tubular dry joint elbows
Cooling system	Brass sea water pump Closed cooling Long life 5-year antifreeze
Accessory drive system	Auto-tensioner Serpentine belt
Recommended oil	NMMA Certified FCW 25W-40 Synthetic Blend
Engine guardian system	SmartCraft Engine Guardian
Dimensions (L x W x H)	35 x 33 x 24″ / 878 x 838 x 610 mm
Weight (engine only)	1,122 lbs / 509 kg
Compatible drives	ZF 63A Down Angle ZF 63IV V-Drive

HP / kW	375 / 280
Maximum RPM (WOT)	4200 – 4600
Engine type	V8
Displacement (L)	8.2
Bore and stroke	4.47 x 4.00″ / 113.5 x 101.6 mm
Compression ratio	8.75:1
Recommended fuel	Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
Engine control system	PCM 09 with SmartCraft CAN capability OBD-M diagnostics Dual oxygen sensors
Fuel delivery system	Multi-point Electronic Fuel Injection (MPI) Sequential Fuel Injection with DTS
Air induction	High inertia induction system
Ignition	Distributorless ignition with knock control
Alternator amp / Watt	65 amp / 917 watt
Water drain system	Single point air actuated
Exhaust system	Tuned runner exhaust manifolds with 316 stainless steel tubular dry joint elbows
Cooling system	Brass sea water pump Closed cooling Long life 5-year antifreeze
Accessory drive system	Auto-tensioner Serpentine belt
Recommended oil	NMMA Certified FCW 25W-40 Synthetic Blend
Engine guardian system	SmartCraft Engine Guardian
Dimensions (L x W x H)	35 x 33 x 24″ / 878 x 838 x 610 mm
Weight (engine only)	1,122 lbs / 509 kg
Compatible drives	ZF 63A Down Angle ZF 63IV V-Drive

HP / kW	350 / 261
Maximum RPM (WOT)	5000-5400
Engine type	V8, 2-valve/cylinder pushrod
Displacement (L)	6.2
Bore and stroke	4.0 x 3.75″ / 101.6 x 95.25 mm
Fuel requirement	90 RON 10% Ethanol Maximum Unleaded Regular 87 Octane Minimum (R+M/2)
Engine control system	SmartCraft PCM 112 Standard SmartCraft with DTS
Fuel delivery system	Computer controlled Multi-Port Electronic Fuel Injection (MPI)
Starting	Electric (turn-key) Smart Start Electric
Air induction	Performance-Tuned Scroll Intake Manifold
Ignition	SmartCraft PCM 112 Digital Inductive
Alternator amp / Watt	Fully regulated belt-driven 70 amp (882 watt)
Water drain system	Air Actuated “Season Extender”
Exhaust system	Through transom
Cooling system	Fresh water cooled (closed cooling)
Lubrication system	Integrated wet sump
Recommended oil	NMMA Certified FCW 25W-40 Synthetic Blend
Engine guardian system	SmartCraft Engine Guardian
Gear shift	F-N-R
Transmission and Ratio	63 A: 1.216, 1.5:1, 2.0:1, 2.5:1 63 IV: 1.5:1, 2.0:1, 2.5:1
Dimensions (L x W x H)	32 x 30 x 22″ / 813 x 762 x 559 mm
Weight (engine only)	862 lbs / 391 kg

HP / kW	300 / 224
Maximum RPM (WOT)	5000-5400
Engine type	V8, 2-valve/cylinder pushrod
Displacement (L)	6.2
Bore and stroke	4.0 x 3.75″ / 101.6 x 95.25 mm
Fuel requirement	90 RON 10% Ethanol Maximum Unleaded Regular 87 Octane Minimum (R+M/2)
Engine control system	SmartCraft PCM 112 Standard SmartCraft with DTS
Fuel delivery system	Computer controlled Multi-Port Electronic Fuel Injection (MPI)
Starting	Electric (turn-key) Smart Start Electric
Air induction	Performance-Tuned Scroll Intake Manifold
Ignition	SmartCraft PCM 112 Digital Inductive
Alternator amp / Watt	Fully regulated belt-driven 70 amp (882 watt)
Water drain system	Air Actuated “Season Extender”
Exhaust system	Through transom
Cooling system	Fresh water cooled (closed cooling)
Lubrication system	Integrated wet sump
Recommended oil	NMMA Certified FCW 25W-40 Synthetic Blend
Engine guardian system	SmartCraft Engine Guardian
Gear shift	F-N-R
Transmission and Ratio	63 A: 1.216, 1.5:1, 2.0:1, 2.5:1 63 IV: 1.5:1, 2.0:1, 2.5:1
Dimensions (L x W x H)	32 x 30 x 22″ / 813 x 762 x 559 mm
Weight (engine only)	862 lbs / 391 kg