2020 Mercury 4 HP 4MH Outboard Motor

The Mercury 4hp outboard motor models are perfect for small fishing boats, small t sized inflatables and sailboat auxiliary power. The Mercury 4 HP outboard engine model # 4MH is compact and lightweight and comes equipped with the short 15 inch shaft, manual start, tiller steering and full forward-neutral-reverse gears with twist grip throttle, Mercury 4hp models feature an integrated 1 liter fuel tank for real portability. External tank connection is standard which makes adding an external fuel tank and line quick and easy.

- 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

MODEL 4MH

MODEL YEAR 2019

SKU 4MH-19

WEIGHT 55.0 lb

MANUFACTURER Mercury

COUNTRY OF MANUFACTURE Japan

HORSEPOWER 4hp

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 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