Yanmar 2GMF Specs: A Detailed Overview
Engine Specifications
| Engine Model | Yanmar 2GMF |
| Type | Vertical, water-cooled, 4-stroke diesel engine |
| Cylinder Arrangement | In-line, 2 cylinders |
| Bore x Stroke | 75 mm x 72 mm (2.95 in x 2.83 in) |
| Displacement | 0.635 liters (38.7 cubic inches) |
| Compression Ratio | 23:1 |
| Max Power Output | 13.2 hp (9.7 kW) @ 3,600 RPM |
| Max Torque | 32.5 Nm (24 lb-ft) @ 2,400 RPM |
| Starting System | Electric start with recoil backup |
Performance
- Max Speed: 7 knots (8 mph/13 km/h)
- Cruise Speed: 5 knots (6 mph/10 km/h)
- Fuel Consumption: 2.5 liters/hour (0.66 gallons/hour)
- Range: Approximately 200 nautical miles (230 miles/370 km)
Cooling System
- Cooling Method: Freshwater cooling with heat exchanger
- Thermostat: 71°C (160°F)
- Cooling Water Capacity: 3.2 liters (3.4 quarts)
Fuel System
- Fuel Type: Diesel
- Fuel Tank Capacity: 40 liters (10.6 gallons)
- Fuel Consumption: 2.5 liters/hour (0.66 gallons/hour)
Lubrication System
- Lubrication Method: Forced lubrication with trochoid pump
- Oil Capacity: 2.7 liters (2.9 quarts)
Electrical System
- Charging Alternator: 12V, 35A
- Battery Capacity: 12V, 55Ah
Dimensions and Weight
| Length | 570 mm (22.4 in) |
| Width | 400 mm (15.7 in) |
| Height | 510 mm (20.1 in) |
| Dry Weight | 88 kg (194 lbs) |
Conclusion
The Yanmar 2GMF is a reliable and efficient 2-cylinder diesel engine suitable for various marine applications. With a maximum power output of 13.2 hp and a range of approximately 200 nautical miles, it offers dependable performance on the water. Its compact dimensions and lightweight design make it easy to install and maneuver. The engine’s freshwater cooling system, efficient fuel consumption, and forced lubrication system contribute to its durability and longevity. Whether you’re sailing or cruising, the Yanmar 2GMF is a dependable choice for marine enthusiasts.
