5.0 MPI ECT

Dependable and versatile, MerCruiser small block engines are ideal for runabouts and cruisers, delivering rock-solid performance and allowing you to enjoy the activities you want to, when you want to

  • MerCruiser small block V8s are the premier option for runabout owners seeking the best available power configuration
  • Owners of dual-engine cruisers up to 38 feet will find steadfast performance in MerCruiser small blocks with features such as the intuitive joystick control of Axius, which allows precise and easy boat maneuverability
  • Reap the benefits of standard SmartCraft Digital Throttle & Shift: smooth shifting, immediate throttle response, and cutting-edge digital controls and information displays
  • SmartCraft features such as ECO-Screen help you optimize fuel economy; MercMonitor lets you customize data readouts displayed on an easy-to-read LED screen

 

 

12th-Round Toughness

MerCruiser’s 5.0L, 350 MAG (5.7L) and 377 MAG (6.2L) sterndrives bring proven V8 durability to the table. Their robust, efficient design optimizes acceleration and longevity. Standard on Bravo drive pairings and available with Alpha drives, Mercathode Corrosion Protection gives your system the edge it needs to combat the rigors of heavy use and the marine environment.

 

 

Brains & Brawn

Mercury’s exclusive SmartCraft technology acutely monitors the vitals of your engine systems, such as fuel usage, RPM, engine trim and efficiency, and delivers them to you in an easy-to-read digital display. SmartCraft functions such as SmartTow – which optimizes watersports settings – take the complication out of piloting so that you can focus on maximizing fun out on the water.

 

 

All-Around Performer

MerCruiser offers small block 5.7 and 6.2L inboards, as well. An inboard configuration makes these V8 engines perfect for those looking to wakeboard, ski or efficiently power traditional cruisers.

HP/Kw @ Prop 260 / 191
Full throttle RPM 4600-5000
Cylinder Configuration V-8
Alternator Amp 65 amp / 917 watt
Cooling Systems Raw water
Thermostatically controlled
Water Drain Systems Single point manual drain (Alpha)
Three-point manual (Bravo)
Recommended Oil Mercury MerCruiser Full-Synthetic Engine Oil, 20W-40, NMMA FC-W rated
Recommended Fuel 87% octane / up to 10% ethanol
Engine Guardian System SmartCraft Engine Guardian
Fuel Injection Systems Multi-point electronic fuel injection (EFI)
Sequential Fuel Injection with Digital Throttle & Shift
Emissions Control Technology Yes*
Digital Throttle and Shift (Optional) Yes
Boat Types Cruiser
Deckboat
Fish
Performance (more than 60mph)
Pontoon
Runabout (cuddy)
Runabout (open bow)
Sportboat (sterndrive)

Alpha One Drive

The most popular sterndrive in the world. Single/twin applications up to 65 mph for gas engines up to 300 hp

The Alpha® One drive earned the title of “world’s most popular sterndrive” because it delivers reliable performance in a value package. reliable performance means more family fun year after year without missing a beat. Alpha One drives slice through the water with an efficient hydrodynamic profile producing very little drag. And, because of the Alpha drive’s many maintenance-free features, you’ll enjoy a worry free ownership experience.

 

Bravo One

Great performance starts with heart. Bravo! Single/twin/triple applications over 100mph for gas engines up to 600 hp

The Bravo One drive delivers superior performance with best-in-class shifting. Its exclusive performance torpedo design and dual water pickups allow for speeds topping the century mark, with exceptional handling at high and low speeds. A trim-limit switch sets your drive angle for maximum performance every time, and a greaseable drive coupler allows for quick and easy service without removing the drive unit.

 

Bravo Two

Handle the biggest boats with authority. Twin applications up to 55 mph for gas engines up to 450 hp

The unique Bravo Two drive has an unmatched ability to maximize lift and thrust for cruisers and houseboats without breaking a sweat. Due to the girth of the gearcase, Bravo Two is capable of accommodating a huge 20-inch diameter prop with deeper gear ratios. This allows the Bravo Two to deliver high thrust around the dock, quick planing and improved fuel economy-putting you in control. maintenance-free hinge pins allow for easy service without having to pull the boat from the water.

 

Bravo Three

Efficient.Maneuverable. Unbeatable. Single/twin applications up to 65mph for gas engines up to 525 hp

The twin-prop design says it all. Whether in a single-unit or twin-unit application, the Bravo Three is an efficient drive built without compromise. Perhaps it’s the best-in-class shifting or its counter-rotating propeller design – enabling agile handling in reverse for precision maneuverability. And the greaseable gimbal bearing makes for an easy ownership experience-allowing for service without removing the drive unit. The Bravo Three X drive, standard on big block 8.2L high-output engines, is a superstrength drive with high performance attributes.

Engine Test

Test Date Title Type Engine HP Range Last Updated
09/2010 350 MAG ECT (catalyst) – Larson LXi 238 SternDrives V-8 09/07/2011
02/2011 350 MAG ECT (catalyst) Axius – Bayliner 320SB SternDrives V-8 09/07/2011
02/2011 350 MAG ECT (catalyst) Axius – Cobalt 296 SternDrives V-8 09/07/2011
08/2011 350 MAG ECT – Bennington 2275 RCW I/O – Bravo Three SternDrives V-8 05/07/2012
07/2012 350 MAG ECT – Cypress Cay 230 Cayman SLE – Bravo Three SternDrives V-8 09/12/2012
08/2012 350 MAG ECT – Starcraft SCX 220 I/O – Bravo Three SternDrives V-8 10/09/2012
09/2012 350 MAG MPI – Cobalt 232 WSS – Bravo Three 22.5″ SternDrives V-8 10/09/2012
11/2008 350 MAG MPI – Regal 2500 SternDrives V-8 03/05/2012
09/2011 377 MAG – Cobalt 232 WSS – Bravo Three SternDrives V-8 08/06/2012
09/2012 377 MAG ECT – Cobalt 24SD – Bravo Three 24″ SternDrives V-8 10/09/2012
09/2012 377 MAG ECT – Cobalt R 5 – Bravo Three 15.5 “ SternDrives V-8 10/09/2012
09/2010 5.0 MPI ECT (catalyst) – Larson 206 Senza SternDrives V-8 09/30/2010
02/2011 5.0 MPI ECT (catalyst) Axius – Sea Ray 310 Sundancer SternDrives V-8 09/07/2011
09/2011 5.0L MPI ECT – Larson LX 2150 – Bravo Three SternDrives V-8 05/07/2012
08/2012 5.0L MPI ECT – Starcraft Sportster 2000 I/O – Alpha 4 SternDrives V-8 10/09/2012
07/2012 8.2 MAG – Chris Craft Launch 25 – Bravo Three 28″ SternDrives V-8 10/09/2012
09/2012 8.2 MAG – Cobalt 262 WSS – Bravo Three 22.5″ SternDrives V-8 10/09/2012
09/2011 8.2 MAG – Colbalt 242 WSS – Bravo Three SternDrives V-8 08/09/2012
09/2011 8.2 MAG – Colbalt 243 – Bravo Three SternDrives V-8 08/09/2012
09/2011 8.2 MAG – Colbalt 26 SD – Bravo Three SternDrives V-8 08/09/2012
09/2011 8.2 MAG – Colbalt 262 WSS – Bravo Three SternDrives V-8 08/09/2012
09/2011 8.2 MAG – Colbalt 276 – Bravo Three SternDrives V-8 08/09/2012
07/2012 8.2 MAG ECT – Chaparral – Bravo Three SternDrives V-8 10/10/2012
07/2012 8.2 MAG H.O. ECT – Chris Craft Corsair – Bravo Three 28″ SternDrives V-8 10/09/2012
09/2012 8.2 MAG HO CAT – Cobalt 276 – Bravo Three 15.75″ SternDrives V-8 10/09/2012
09/2012 8.2 MAG HO ECT – Cobalt 296 – Bravo Three 15.9″ SternDrives V-8 10/09/2012
07/2012 8.2L MAG – Chris Craft Launch 25 – Bravo Three SternDrives V-8 08/10/2012
06/2011 MerCruiser 350 MAG Bravo III – Sea Ray 250 SLX SternDrives V-8 11/23/2011
12/2011 MerCruiser 350 MAG ECT – Sea Ray 260 Sundeck SternDrives V-8 02/22/2012
11/2011 MerCruiser 350 MAG MPI – Starcraft 240 SCX I/O SternDrives V-8 02/22/2012
06/2011 MerCruiser 350 MAG MPI Alpha – Tahoe 228 SternDrives V-8 11/22/2011
02/2012 MerCruiser 5.0L ECT Axius – Rinker 310 Express Cruiser SternDrives V-8 02/15/2012
12/2011 MerCruiser 8.2 H.O. – Playcraft Powertoon X-Treme 2700 I/O SternDrives V-8 04/03/2012
02/2011 MerCruiser 8.2 MAG ECT (catalyst) Bravo Three – Sea Ray 270 SLX SternDrives V-8 03/11/2011
02/2012 MerCruiser 8.2 MAG ECT Axius – SeaRay 370 Sundancer SternDrives V-8 02/22/2012
02/2012 MerCruiser 8.2 MAG H.O. ECT – Cobalt A28 SternDrives V-8 02/20/2012
07/2012 Twin 350 MAG ECT – Chaparral 327 SSX – Bravo 3 24″ SternDrives V-8 10/09/2012
07/2012 Twin 350 MAG ECT – Chaparral 350 Signature – Bravo Three SternDrives V-8 10/10/2012
08/2012 Twin 5.0 MPI ECT – Chaparral 310 Signature – Bravo Three SternDrives V-8 10/10/2012
07/2012 Twin 8.2 MAG H.O. – Chaparral 327 SSX – Bravo Three SternDrives V-8 10/09/2012
09/2012 Twin 8.2 MAG H.O. Axius – Cobalt 323 – Bravo Three 24″ SternDrives V-8 10/09/2012
07/2012 Twin 8.2 MAG H.O. ECT – Chris Craft Corsair 36 – Bravo Three SternDrives V-8 08/10/2012
02/2011 Twin MerCruiser 377 MAG ECT (catalyst) – Formula 290 FX4 SternDrives V-8 03/10/2011