150 HP

The Ultimate 150hp Four-stroke

Boaters spoke and we listened. The new Mercury 150 FourStroke is the toughest, smallest, and lightest 150hp four-stroke engine in the world. In other words, another game-changing outboard from Mercury – just what you need to take your time on the water to the next level.

  • Mercury FourStroke technology for maximum fuel economy and smoothness
  • Large displacement for “out of the hole” performance
  • Compact and lowest weight in design for better hull control
  • Fewer moving parts for less friction and greater reliability
  • Quiet operation, making it easy to converse
  • An outboard that is fully tested in all conditions for all-around performance
  • The only outboard that comes with a 3-year corrosion warranty
  • More stainless steel components for longevity
  • Best-in-class battery charging system for longer battery life

The most compact, lowest weight, most durable 150hp FourStroke outboard the world has ever seen. Extremely versatile in single or twin applications.

 

Tough enough for the most extreme conditions

Durability & Superior Performance

Higher displacement means less work from the engine to produce torque and horsepower. The new Mercury 150 hp FourStroke is built to develop loads of torque at a stress level that will ensure higher durability than any other 150 hp outboard. Higher displacement simply means more torque and horsepower. The higher the torque, the faster the holeshot and acceleration. And more power equals faster top speeds. The Mercury 150 FourStroke is the only 150 FourStroke to have a torque curve rivaling the strongest two-strokes.

  • Some 3.0L outboards produce well over 250hp. This 3.0L Mercury FourStroke only needs to deliver 150hp, which means exceptional durability and long-term peace of mind.
  • The new 150hp FourStroke also features a robust 4.9″ gearcase that uses larger, more durable components.
  • With nearly 10,000 hours of engineering and field testing, we made sure that this 150hp FourStroke is the world’s most reliable outboard engine.

Light enough for efficient performance

Weight Chart

The lowest weight 150 FourStroke on the planet!

What seems like magic is simply Mercury Marine doing what it does best – creating game-changing, incomparable engines that elevate boating to the next level.

The new Mercury 150hp FourStroke has almost 15 percent fewer parts than Suzuki’s 150 Four-stroke and almost 18 percent fewer parts than Yamaha 150 hp Four-stroke engine.

A smaller compact design and a lighter weight reduces the overall package weight of the boat, which, depending on the hull, will improve performance and efficiency.

The new Mercury 150hp FourStroke is 454 lbs and is only 22 lbs heavier than the 150 OptiMax (at 432 lbs).

This makes the new 150hp FourStroke a great fit not only for new boat packages, but also repower, even on older boats which could not handle the weight of heavier competitive 4-Strokes.

Weight comparisons are based on competitors’ published weights for 20″ (L) models.

 

Vibration Management System

The Mercury 150hp FourStroke incorporates an exclusive and unique Focused Mount System which is 22 percent heavier and tougher than those found on competitive 150hp outboards.

The upper mounts are at a much wider 45-degree angle from the engine’s center of gravity and in a location where they can operate under ambient temperature conditions, rather than under the higher heat radiating from the immediate powerhead area.

Placing the mounts farther away from the powerhead significantly reduces mount temperature and increases mount durability. Angling the mounts significantly reduces vibration transmitted to the boat, at all points in the power band, but especially at transient points from a fast idle to where the boat is coming on plane.

Higher durability and significantly reduced vibration mean a more pleasurable boating experience all around.

 

Sound Management

As part of its world-class sound management technology, the Mercury 150hp FourStroke features a special idle exhaust relief system:

  • Simple baffle design
  • Low pass acoustic filter to weaken high frequency exhaust noise at idle speeds

Quiet operation at low speeds makes it easier to converse while in the boat or during a long day of trolling.

 

Built for Salt

Corrosion Chart

Saltwater is a marine engine’s worst nightmare.

To survive wide-ranging salinity, temperature, and humidity levels requires expert marine understanding, technology, cost, and equipment. No other company invests as much time, energy, and dollars in their products to deliver an engine with the long-term corrosion-fighting characteristics:

  • Lowest copper content aluminum – Mercury XK360 is the most corrosion-resistant alloy on the market.
  • Exclusive MercFusion paint system features an Electro-Deposition Paint process, which electronically bonds paint to metal throughout the engine, even inside internal water passages.
  • Waterproof electrical systems and connectors sit under a tightly sealed cowling system that uses a baffle to let air enter the cowl but forces water to drain out.

 

Tough Engine. Tough Warranty.

No other manufacturer offers:

  • 3-year non-declining factory-backed warranty.
  • 3-year industry-exclusive corrosion warranty.
  • Support from the largest network of authorized Mercury dealers.

A warranty that’s supported by the strength and service expertise of one of the largest dealer networks in the country.

 

Two-Stroke torque. FourStroke Efficiency.

What do you get when you combine class-leading displacement with the lightest 150hp fourstroke on the market? Mercury’s new definition of performance.

  • 3.0L displacement delivers the powerful torque needed to launch your boat onto plane and provide responsive mid-range acceleration.
  • An exceptional power-to-weight ratio means outstanding fuel economy and more on-water time between fill-ups.
  • A large 4.9″ gearcase easily lifts heavy boats better than smaller gearcases found on competitive fourstrokes, significantly improving boat handling from slower cruising speeds to full throttle runs.

 

All Amped Up

The Mercury 150hp FourStroke’s marine hardened “on-demand” alternator is a 60 Amp (756 Watt) high-output external unit. In fact, this alternator already produces over 2/3 of its charging power at just 1000 RPM… perfect for keeping batteries fully charged while trolling or on that leisurely cruise.

  • Belt-driven means less heat and weight.
  • Provides power only when needed.
  • Fully regulated at 14.2 volts.
  • Hard anodized for best-in-class corrosion protection.

 

More Time on the Water. Less Time in the Shop.

Under the cowl, the new 150hp FourStroke has a convenient maintenance label highlighting basic maintenance intervals and requirements for the “do-it-yourself’s”. This label features a QR code that links to a series of step-by-step videos demonstrating just how easy it is to perform routine maintenance such as oil and gear lube changes.

  • QR code linking to videos, local dealers, and a Mercury-direct hotline.
  • No-spill oil change system and easy-access fuel filter.
  • The only fourstroke available with a valve train that requires NO maintenance over the life of the engine.

 

 

Perfect for Repower

Mercury’s new 150 FourStroke has far less transom well interference and a lower profile making it easy to fish over and around, or to mount under tight-fitting engine wells.

At a weight approaching that of a 2-Stroke, the new 150 FourStroke is the lightest of its kind, and will easily repower most older hulls not designed to accommodate the weight of competitive 150 4-Strokes.

Flexible enough to accommodate mechanical or hydraulic steering, the Big Tiller system, mechanical control/cables, and a full complement of either analog or SmartCraft gauges – this new 150 FourStroke is equally suited to the most basic or the most sophisticated of repower jobs.

 

HP/Kw @ Prop 150 / 110
Full throttle RPM 5000-5800
Cylinder Configuration In-Line 4, 8-valve single overhead cam (SOHC)
Displacement (CID / CC) 183 / 3000
Bore and Stroke (in / mm) 4.0 x 3.6in
102 x 92mm
Fuel Induction System Computer controlled Sequential Multi-Port Electronic Fuel Injection (EFI)
Ignition SmartCraft ECM 07 Digital Inductive
Fuel System Electronic Fuel Injection (EFI)
Alternator Amp 60 amp / 756 watt (Belt-Driven)
Cooling System Water-cooled with thermostat
Starting Electric (turn-key)
Gearcase Ratio 1.92:1
Gear Shift F-N-R
Steering Big Tiller Compatible
Mercury power steering
Hydraulic
Remote
Electro-hydraulic power steering
Trim System Power trim and tilt with SmartCraft programmable tilt
Counter Rotation Available
Recommended Oil Mercury 4-Stroke Outboard Oil
Recommended Fuel Unleaded Regular 87 Octane Minimum (R+M/2)
Engine Protection Operator Warning System SmartCraft Engine Guardian
Compatible with Smartcraft Digital Technology Yes
Shaft Length 20 in (508 mm)
25 in (635mm)
Dry Weight * Lightest model available 455lbs / 206kg

Engine Test

Test Date Title Type Engine HP Range Last Updated
08/2012 150 EFI FourStroke – Premier Marine 251 Castaway Triple – Enertia 14″ FourStroke 150 FourStroke 10/09/2012
06/2012 150 Four Stroke – Mako 184 CC – Vengeance FourStroke 150 FourStroke 07/16/2012
06/2012 150 Four Stroke – Sundance SV211 – Enertia FourStroke 150 FourStroke 07/17/2012
05/2012 150 FourStroke / Starcraft Superfisherman 186 / BlackMax 19″ FourStroke 150 FourStroke 07/18/2012
05/2012 150 FourStroke / StarCraft Superfisherman 186 / Enertia 18″ FourStroke 150 FourStroke 07/18/2012
03/2012 150 FourStroke – Bluewave 2200 Pure Bay – Trophy Plus 21 FourStroke 150 FourStroke 10/05/2012
04/2012 150 FourStroke – MirroCraft 1945 Dual Impact – Enertia FourStroke 150 FourStroke 05/25/2012
06/2012 150 FourStroke – SmokerCraft Pro Mag 182 – Enertia 18″ FourStroke 150 FourStroke 08/03/2012
06/2012 150 FourStroke – StarCraft Starweld190 – Enteria 18″ FourStroke 150 FourStroke 08/02/2012
05/2012 150 FourStroke – StarCraft Superfisherman 186 – Black Max 19″ FourStroke 150 FourStroke 08/02/2012
05/2012 150 FourStroke – StarCraft Superfisherman 186 – Enertia 18″ FourStroke 150 FourStroke 08/02/2012
08/2012 150 FourStroke – Tahoe 24 DRL – Enertia 15 1/8 FourStroke 150 FourStroke 10/09/2012
03/2012 150 hp EFI 4 Stroke- Robalo R 180 FourStroke 150 FourStroke 04/30/2012
09/2011 150 hp EFI FourStroke – Hewes 180 SR ET FourStroke 150 FourStroke 04/02/2012
08/2012 150 hp EFI FourStroke – Premier Marine 251 Castaway Triple – Enertia 13″ FourStroke 150 FourStroke 10/09/2012
09/2011 150 hp EFI FourStroke – Weldcraft 202 FourStroke 150 FourStroke 04/02/2012
08/2011 150 hp FourStroke – Alumacraft 185 Sport / CS FourStroke 150 FourStroke 10/25/2011
08/2011 150 hp FourStroke – Avalon 23′ Paradise Elite FourStroke 150 FourStroke 10/25/2011
08/2012 150 hp FourStroke – Avalon 24 DRL – Enertia FourStroke 150 FourStroke 10/08/2012
08/2012 150 hp FourStroke – Avalon Catalina QL – Enertia FourStroke 150 FourStroke 10/09/2012
08/2011 150 hp FourStroke – Bennington GP 22 PT 25 FourStroke 150 FourStroke 12/08/2011
05/2012 150 hp FourStroke – Bentley Encore 223 Cruiser – Enertia FourStroke 150 FourStroke 05/25/2012
05/2012 150 hp FourStroke – Bentley Encore 240 SE Cruise – Black Max FourStroke 150 FourStroke 05/25/2012
03/2012 150 hp FourStroke – Blue Wave 2200 Pure Bay – Trophy Plus FourStroke 150 FourStroke 08/09/2012
08/2011 150 hp FourStroke – Crest 23 FourStroke 150 FourStroke 10/25/2011
08/2011 150 hp FourStroke – Crest 230 II FourStroke 150 FourStroke 01/04/2012
07/2011 150 hp FourStroke – Cypress Cay 230 Seabreeze FourStroke 150 FourStroke 10/25/2011
07/2012 150 hp FourStroke – Cypress Cay 230 SeaBreeze PP – Enertia FourStroke 150 FourStroke 09/12/2012
07/2012 150 hp FourStroke – Cypress Cay 240 Cabana T3 – Enertia FourStroke 150 FourStroke 09/12/2012
07/2012 150 hp FourStroke – Harris FloteBote 200 Cruiser PP – Enertia FourStroke 150 FourStroke 09/12/2012
07/2012 150 hp FourStroke – Harris FloteBote 220 Cruiser PP – Enertia FourStroke 150 FourStroke 09/12/2012
07/2011 150 hp FourStroke – Harris Flotebote 240 Cruiser CX PP FourStroke 150 FourStroke 10/25/2011
09/2011 150 hp FourStroke – Hewes 200 Pro V – Enertia FourStroke 150 FourStroke 05/07/2012
07/2012 150 hp FourStroke – Key West 203 FS – 14 x 19 Vengeance FourStroke 150 FourStroke 08/11/2012
07/2012 150 hp FourStroke – Key West 203 FS – Vengeance 14″ FourStroke 150 FourStroke 10/10/2012
05/2012 150 hp FourStroke – Larson 1750 FX SC – Vengeance FourStroke 150 FourStroke 08/09/2012
06/2012 150 hp FourStroke – Larson FX 2020 Tiller – Enertia FourStroke 150 FourStroke 10/08/2012
09/2011 150 hp FourStroke – Larson LX 860 OB SF – Black Max FourStroke 150 FourStroke 10/25/2011
09/2011 150 hp FourStroke – Larson LX 860 OB SF – Vengeance FourStroke 150 FourStroke 10/25/2011
05/2012 150 hp FourStroke – Lund 1775 Pro-V IFS/SE – Laser II FourStroke 150 FourStroke 09/12/2012
05/2012 150 hp FourStroke – Lund 1875 Crossover XS – Enertia FourStroke 150 FourStroke 09/12/2012
09/2011 150 hp FourStroke – Lund 1875 Crossover XS – Enertia 14 x 19 FourStroke 150 FourStroke 04/02/2012
09/2011 150 hp FourStroke – Lund 1875 Crossover XS – Enertia 14.5 x 17 FourStroke 150 FourStroke 04/02/2012
05/2012 150 hp FourStroke – Lund 1875 Crossover XS – Laser II FourStroke 150 FourStroke 09/12/2012
07/2011 150 hp FourStroke – Mako 184 Center Console FourStroke 150 FourStroke 11/21/2011
07/2011 150 hp FourStroke – Nautic Star 2110 Sport FourStroke 150 FourStroke 05/07/2012
07/2011 150 hp FourStroke – Nitro Z-7 – 070111 FourStroke 150 FourStroke 11/21/2011
07/2011 150 hp FourStroke – Nitro Z-7 – 070611 FourStroke 150 FourStroke 11/21/2011
07/2011 150 hp FourStroke – Ranger 1860 Angler FourStroke 150 FourStroke 11/21/2011
03/2012 150 hp FourStroke – Robalo R 180 – Black Max FourStroke 150 FourStroke 05/07/2012
03/2012 150 hp FourStroke – Robalo R 180 – Enertia FourStroke 150 FourStroke 05/07/2012
04/2012 150 hp FourStroke – Robalo R 200 – Black Max FourStroke 150 FourStroke 05/07/2012
04/2012 150 hp FourStroke – Robalo R 200 – Enertia FourStroke 150 FourStroke 05/07/2012
04/2012 150 hp FourStroke – Robalo R 200 – Mirage Plus FourStroke 150 FourStroke 05/07/2012
06/2012 150 hp FourStroke – SmokerCraft Pro Mag 182 – Enertia FourStroke 150 FourStroke 10/09/2012
02/2012 150 hp FourStroke – Sun Tracker Party Barge 24 DLX FourStroke 150 FourStroke 04/16/2012
12/2011 150 hp FourStroke – Sweetwater 2286 FourStroke 150 FourStroke 01/04/2012
08/2012 150 hp FourStroke – Tahoe Cascade QL 24 – Enertia 15 1/8″ FourStroke 150 FourStroke 10/09/2012
07/2011 150 hp FourStroke – Triton 18 SE FourStroke 150 FourStroke 11/21/2011
05/2012 150 XL Four Stroke Bentley Encore 240 SE Cruise – Black Max FourStroke 150 FourStroke 05/23/2012
02/2012 150hp FourStroke – Ranger 220 Bahia FourStroke 150 FourStroke 02/16/2012
05/2012 50 FourStroke / Starcraft 16 Starweld Pro / SpitFire 12″ FourStroke 150 FourStroke 07/18/2012
06/2012 Twin 150 Four Stroke – Sundance NX 25 – Mirage plus FourStroke 150 FourStroke 07/17/2012
06/2012 Twin 150 Four Strokes – Mako 234 CC – Mirage Plus FourStroke 150 FourStroke 07/16/2012
06/2012 Twin 150 Four Strokes – Wooldridge 26 SS Pilot House – Enertia FourStroke 150 FourStroke 07/17/2012
11/2011 Twin 150 hp FourStroke – Alumaweld Pacific 27′ FourStroke 150 FourStroke 11/21/2011
07/2011 Twin 150 hp FourStroke – Angler 2600 CC FourStroke 150 FourStroke 09/01/2011
02/2012 Twin 150 hp FourStroke – Duckworth 26 Offshore FourStroke 150 FourStroke 02/24/2012
02/2012 Twin 150 hp FourStroke – Striper 2605CC – Enertia FourStroke 150 FourStroke 02/22/2012
02/2012 Twin 150 hp FourStroke – Striper 2605CC – Tempest Plus FourStroke 150 FourStroke 02/22/2012
02/2012 Twin 150hp FourStroke – Dusky 256 Open Fisherman FourStroke 150 FourStroke 02/10/2012
02/2012 Twin 150hp FourStroke – Mako 234CC FourStroke 150 FourStroke 02/15/2012