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Mercury

2025 Mercury 4 HP 4MLH Outboard Motor

SKU: 4MLH-25
$1,399.00 $1,660.00

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!

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SHAFT LENGTH GUIDELINES

Horsepower 4hp
Weight: 58.0 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
MODEL1F04211KK
MODEL YEAR2025
SKU4MLH-25
WEIGHT58.0 lb
MANUFACTURERMercury
COUNTRY OF MANUFACTUREJapan
HORSEPOWER4hp
SHAFT LENGTH20" (Long)
STEERINGTiller
STARTINGManual
TRIM & TILTManual
FUEL DELIVERYCarburetor
FUEL TANKInternal
CYLINDER(S)1
DISPLACEMENT7.5/123
BORE AND STROKE2.32 x 1.77
FULL THROTTLE RPM RANGE4500-5500
IGNITION SYSTEMCDI
INDUCTION SCAVENGINGOHV
VALVES PER CYLINDER2
FUEL TYPE87 Octane (up to 10% ethanol content)
FUEL TANK / FUEL LINE0.3 US Gallon (1.15 liter) internal tank with external connector
OIL TYPESAE 10W-30 (Mercury 4-Stroke Outboard Oil)
OIL CAPACITY15 fl. Oz. (450 ml)
LUBRICATIONPressurized wet sump
ALTERNATOROptional 12V 50W 4A (installation required)
COOLING SYSTEMWater-cooled w/thermostat
SALTWATER RATEDYes
GEAR RATIO2.15:1
GEAR SHIFTForward-Neutral-Reverse (forward mounted shift lever)
PROPELLER7.7" 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

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4 HP 4MLH Mercury Outboards
Mercury

2025 Mercury 4 HP 4MLH Outboard Motor

$1,399.00 $1,660.00

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!

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