Performance Parts & Accessories
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 |
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