Mercruiser Engines

Mercruiser Engines

Mercury MerCruiser engines and drive systems are designed, tested, and built exclusively for the marine environment. That translates to best-in-class reliability, dependability, and long-lasting performance. Patented metallurgy technology. State-of-the-art electronics. Robust manufacturing. Grueling lab, endurance, and open-water testing. What goes into a Mercury MerCruiser determines what you get out. Easy maintenance, low cost of ownership, and true peace of mind.

4.5 Liter V6

4.5 Liter V6

  • HP / kW: 250 / 186
  • 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): 28 x 30 x 22" / 696 x 740 x 559 mm
  • Weight (engine only): 756 lbs / 343 kg
  • Compatible drives: Alpha/Bravo One/Bravo Two/Bravo Three
6.2 Liter V8

6.2 Liter V8

  • HP / kW: 350 / 261
  • Maximum RPM (WOT): 5000 - 5400
  • Engine type: V8, 2-valve/cylinder pushrod
  • Displacement (CID/L): 377/6.2
  • Bore and stroke: 4.0" x 3.75" / 101.6mm x 95.25mm
  • Fuel requirement: 90 RON 10% Ethanol Maximum Unleaded Regular 87 Octane Minimum (R+M/2)
  • Engine control system: Mechanical Shifting with Optional SmartCraft DTS
  • Fuel delivery system: Computer controlled Multi-Port Electronic Fuel Injection (MPI)
  • Air induction: Performance-Tuned Scroll Intake Manifold
  • Ignition: SmartCraft PCM 112 Digital Inductive
  • Water drain system: Air Actuated "Season Extender"
  • Exhaust system: Through prop
  • Cooling system: Thermostatically controlled fresh water
  • 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): 32 x 30 x 22" / 813 x 762 x 559 mm
  • Weight (engine only): 862 lbs / 391 kg
  • Compatible drives: Bravo One/Bravo Three/Bravo Two
8.2 Liter V8

8.2 Liter V8

  • HP / kW: 430 / 321
  • Maximum RPM (WOT): 4600-5000
  • 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
  • Fuel delivery system: Multi-point Electronic Fuel Injection (MPI)
  • 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
  • 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): 990 lbs / 449 kg
  • Compatible drives: Bravo One X/Bravo One XR/Bravo Three X/Bravo Three XR/Bravo Two X
Alpha Drive

Alpha Drive

Available for single and twin engine applications, the Alpha One's efficient hydrodynamic profile produces very little drag, which means better boat performance and fuel economy.

Features like an integrated water pump and permanently lubricated pivot points let you spend less time on maintenance and more time boating.

Designed for boats capable of up to 65 mph and gas engines delivering up to 300hp and diesel engines up to 150hp.

Bravo One Drive

Bravo One Drive

Extended-length torpedos reduce drag and a deeper skeg provides a large rudder area for excellent steering response at any speed.

Refined and well-mannered with best-in-class shifting. Intended for single, twin, and triple applications for boats that go over 100 mph, gas engines up to 600hp and diesel engines up to 370hp.

Bravo One®, Bravo One X®, Bravo One XR® for gas stendrives; Bravo One X Diesel and Bravo One XR Diesel for diesel engines.

Bravo Two Drive

Bravo Two Drive

With a longer-length design and large-diameter shaft, Bravo Two® and Bravo Two X® accommodate up to 20-inch propellers.

High thrust at low speeds. Quick planing. Improved fuel economy. Everything you need to get going - and get going fast.

No matter how big the load. For twin applications up to 55 mph, gas engines up to 450hp and diesel engines up to 370hp.

Bravo Two, Bravo Two X, for gas stendrives; Bravo Two X Diesel and Bravo Two XR® Diesel for diesel engines.

Bravo Three Drive

Bravo Three Drive

Featuring dual counter-rotating propellers, the Bravo Three® gives you great steering control in the marina and incredible performance on open water.

The extra blade on the propellers lets your boat plane-off at a lower speed for optimal fuel efficiency.

Efficient design for minimal bow rise.

Advanced acceleration for better forward visibility.

Single/twin applications up to 65 mph, gas engines up to 525hp or diesel engines up to 370hp. Acceleration, maneuverability, and efficiency.

Bravo Three, Bravo Three X®, Bravo Three XR for gas stendrives; Bravo Three X Diesel and Bravo Three XR Diesel for diesel engines.

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