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Mercury 4 HP MH Outboard Motor
IN STOCK
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Mercury 4 HP MH Outboard Motor

Original price was: $1,690.00.Current price is: $1,499.00.

Mercury Outboards
Brand: Mercury Outboards
HP: 4
Starter Type: Manual
Shaft Length: 15″ (Short Shaft)

 

Enhance your boating adventures with the 4 horsepower Mercury 4-stroke Outboard. Ideal for small boats, tenders, and inflatables, this compact and lightweight engine offers superior fuel efficiency and ultra-quiet operation. Enjoy easy starts, smooth handling, and reliable performance, all backed by Mercury’s renowned quality and innovation. With the Mercury 4 HP outboard, every trip on the water is a breeze. Choose Mercury for hassle-free boating and make every moment on the water unforgettable.

At Plateau Marine / OutboardDirect.com, we believe in clear, upfront pricing.

Dealer Prep: Included
Full Factory Mercury Warranty valid at any authorized Mercury Dealer Nationwide.
Freight: Free within the 48 states, Includes residential delivery with hydraulic lift gate service Some exclusions may apply, call for details

In stock

SKU: 4MH-1F04201KK Categories: , Tags: , Brand:

Easy Starting, Lightweight, Portable Mercury 4 HP Outboards

Taking the fun with you is one of the great advantages of owning an inflatable boat or small fishing boat. The portable Mercury 4, hp FourStroke outboards makes operation and portability easy with smart, simple features. Plus, clean, quiet, fuel-efficient FourStroke performance makes them the obvious power of choice. Manufactured to the same high standards of corrosion resistance as larger Mercury models.

  • At 57 pounds the compact 4 hp is one of the lightest in its class
  • An automatic decompression relief greatly reduces pull force for effortless starting.

Lightweight

  • Mercury's 4 HP 15" Shaft Outboard is only 57 lbs. These engines are easy to transport with its Ergonomic Carrying Handle. For ease in mounting to the transom or motor bracket, there are the several gripping points on the rear of engine.

Large Displacement Design

  • A robust OHV single cylinder, sporting a 7.5 Cubic inch (123 cc) displacement engine offers strong performance by delivering a true 4 hp.
  • For added convenience, this engine is equipped with a Automatic Decompression Release for easy pull starts for all members of the family.
  • The Digital CD Ignition provides hotter sparks for sure starts and an automatic spark advance for strong acceleration

Mercury 4, 5, and 6 HP Outboard Motors Integral Fuel Tank

  • Incorporates a 1.0 liter integral fuel tank for when you need to save room in the boat. The upper fuel cap has a vent along with a External Fuel Shutoff Valve which allows you to run the carburetor dry for extended periods of non use. This also prevents spillage while transporting the engine.
  • Standard is a Remote Tank Connection in which an optional 3.3 gallon (12 Liters) fuel tank can be used.

Mercury 4, 5, and 6 HP Outboard Motors Forward Mounted F-N-R Shift Lever

  • The forward mounted shift lever allows for easy to reach shift operation.
  • For added safety and improved control, the Automatic Reverse Lock prevents the engine from popping up when shifted to reverse.

Mercury 4, 5, and 6 HP Outboard Motors Robust Tiller Handle

  • Easy to reach and simple to operate, the Long Tiller Handle delivers optimum control for improved handling.
  • Throttle control is in the grip along and a Throttle Friction Knob provides precise throttle tension and control.
  • At the rear of the engine is a Steering Friction Adjustment that allows you to fine tune the steering resistance depending on who is operating the boat

Mercury 4, 5, and 6 HP Outboard Motors Shallow Drive and 6 Trim Positions

  • The adjustable 6 position tilt-pin can set the engine trim angle for optimum performance.
  • The Shallow-Water Drive system can be engaged to tilt the outboard drive so your can operate the hull in shallow water

Low Oil Pressure Warning System

  • A red lamp on lower front area of cowling activates when low oil pressure is present alerting the operator of a possible problem before engine damage occurs.

Freshwater Flush System

  • Flushes saltwater and debris out of the engine extending the life of the outboard.

Additional information

Horsepower

4 HP
Shaft Length

15" (Short)
Starter Type

Manual
Tilt & Trim

Manual
Brand

Mercury Marine
Color

Phantom Black
Manufacturer

Mercury Marine

FEATURES

  • Compact and Lightweight
  • Digital CD Ignition with Spark Advance
  • High Grade Marine Alloy Construction
  • Stainless Steel Water Pump Housing
  • Zinc Coated Water Passages
  • Rated for Saltwater Use
  • Sacrificial Zinc Anodes
  • Forward-Neutral-Reverse Gear Shift
  • Adjustable Steering Tension Control
  • Forward Mounted Gear Shift Selector
  • Twist-Grip Throttle with Tension Control
  • Integrated Carry Handle
  • Thermostat Controlled Water Cooling
  • Shallow Water Drive; 6 Trim Positions
  • Quiet Through-Propeller-Hub Exhaust
  • 1.15 Liter (.30 Gallon) Integral Fuel Tank
  • Start-In-Gear Protection
  • Low Oil Pressure Warning Indicator
  • ESG Over-Rev Protection
  • Safety Lanyard Stop Switch
  • Owner’s Manual
  • Mercury Marine 3-Year Warranty

SPECS

MODEL Mercury Outboard 4MH
PROGRAM YEAR 2026
SKU 1F04201KK
WEIGHT 57.0 lb
MANUFACTURER Mercury Marine
COUNTRY OF MANUFACTURE Japan
HORSEPOWER 4 HP
SHAFT LENGTH 15″ (Short)
STEERING Tiller
STARTING Manual
TRIM & TILT Manual
FUEL DELIVERY Carburetor
FUEL TANK Internal
CYLINDER(S) 1
DISPLACEMENT 7.5/123
BORE AND STROKE 2.32 x 1.77
FULL THROTTLE RPM RANGE 4500-5500
IGNITION SYSTEM CDI
INDUCTION SCAVENGING OHV
VALVES PER CYLINDER 2
FUEL TYPE 87 Octane (up to 10% ethanol content)
FUEL TANK / FUEL LINE 0.3 US Gallon (1.15 liter)
OIL TYPE SAE 10W-30 (Mercury 4-Stroke Outboard Oil)
OIL CAPACITY 15 fl. Oz. (450 ml)
LUBRICATION Pressurized wet sump
ALTERNATOR Optional
COOLING SYSTEM Water-cooled w/thermostat
SALTWATER RATED Yes
GEAR RATIO 2.15:1
GEAR SHIFT Forward-Neutral-Reverse (forward mounted shift lever)
PROPELLER 8.375″ Diameter X 7.0″ Pitch 3-Blade Aluminum

IN THE BOX

  • Integral Fuel Tank (0.3 gal)
  • Owner’s Manual
  • Mercury 3-Year Warranty
  • Aluminum Propeller
  • Mercury 4-Stroke Oil
  • Tool Kit

SHAFT LENGTH GUIDELINES

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