*Photo may not show the actual model

2025 Mercury 4 HP 4MLH Outboard Motor

SKU: 4MLH-25
$1,449.00 $1,680.00

Perfect choice for small fishing boats, small to medium sized inflatables and sailboats. The 58 lb. 4 HP Mercury outboards engine model # 4MLH is compact, lightweight, and comes equipped with the 20 inch long shaft, manual start, tiller steering, and full forward-neutral-reverse gears and the twist grip throttle. Mercury 4hp models feature an integrated fuel tank for true portability. External tank connection is standard which makes adding an external fuel tank and line quick and easy.
Along with our discounted outboard motor prices we offer free shipping and the Mercury 3-year warranty!

What Is A Lift Gate?

Free Shipping on Orders $130+

$ Buy Now, Pay Later with Affirm

CA Customers Warning: Cancer and Reproductive Harm www.P65Warnings.ca.gov

SHAFT LENGTH GUIDELINES

Horsepower 4hp
WEIGHT58.0 lb
Shaft Length: 20" (Long)
Starting:Manual
Fuel Delivery:Carburetor
Steering:Tiller
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

specifications
MODEL 1F04211KK
MODEL YEAR 2025
SKU 4MLH-25
MANUFACTURER Mercury
COUNTRY OF MANUFACTURE Japan
HORSEPOWER 4hp
WEIGHT 58.0
SHAFT LENGTH 20" (Long)
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) internal tank with external connector
OIL TYPE SAE 10W-30 (Mercury 4-Stroke Outboard Oil)
OIL CAPACITY 15 fl. Oz. (450 ml)
LUBRICATION Pressurized wet sump
ALTERNATOR Optional 12V 50W 4A (installation required)
COOLING SYSTEM Water-cooled w/thermostat
SALTWATER RATED Yes
GEAR RATIO 2.15:1
GEAR SHIFT Forward-Neutral-Reverse (forward mounted shift lever)
PROPELLER 7.7" 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

Outboard Accessories: 
Gear Up Your Boat

4 HP 4MLH Mercury Outboards
Mercury

2025 Mercury 4 HP 4MLH Outboard Motor

$1,449.00 $1,680.00

Perfect choice for small fishing boats, small to medium sized inflatables and sailboats. The 58 lb. 4 HP Mercury outboards engine model # 4MLH is compact, lightweight, and comes equipped with the 20 inch long shaft, manual start, tiller steering, and full forward-neutral-reverse gears and the twist grip throttle. Mercury 4hp models feature an integrated fuel tank for true portability. External tank connection is standard which makes adding an external fuel tank and line quick and easy.
Along with our discounted outboard motor prices we offer free shipping and the Mercury 3-year warranty!

View product