SPECIFICATIONS
84 YM Series Operation Manual
2YM15 Engine Specifications
Note: Density of fuel: 0.842 g/cm
3
at 15°C. Fuel temperature at the inlet of the fuel injection pump.
1hp metric = 0.7355 kW
Specification 2YM15
Marine Gear Model KM2P-1 SD-20
Use Pleasure use
Type Vertical water cooled 4-cycle diesel engine
Combustion System Swirl pre-combustion chamber
Air Charging Natural aspiration
Number of Cylinders 2
Bore x Stroke 70 mm x 74 mm (2.76 in. x 2.91 in.)
Displacement 0.570 L (34.8 cu in.)
Continuous
Power
Output at
Crankshaft / Engine Speed
9.1 kW (12.4 hp metric) / 3489 min
-1
Fuel Stop
Power
Output at
Crankshaft / Engine Speed
10.0 kW (13.6 hp metric) / 3600 min
-1*
Output at
Propeller / Engine Speed
9.7 kW (13.2 hp metric) / 3600 min
-1
** -
Installation Flexible mounting
Fuel Injection Timing FID 21 ±1° BTDC
Fuel Injection Opening Pressure 12.3 to 13.28 MPa
Main Power Take Off At flywheel end
Direction of
Rotation
Crankshaft Counterclockwise viewed from stern
Propeller Shaft (Ahead) Clockwise viewed from stern -
Cooling System Coolant cooling with heat exchanger
Lubrication System Forced lubrication system
Coolant Capacity Engine 3.0 L (3.17 qt), Reservoir: 0.8 L (0.85 qt)
Lubricating
Oil Capacity
(Engine)
Rake Angle at rake angle 8° at rake angle 0°
Total
**
2.0 L (2.1 qt) 1.8 L (1.9 qt)
Effective
***
0.95 L (1.0 qt) 0.9 L (0.95 qt)
Starting
System
Type Electric
Starting Motor DC 12 V - 1.4 kW
AC Alternator 12 V - 120 A
Engine
Dimension
Overall Length 613 mm (24.1 in.) -
Overall Width 463 mm (18.2 in.)
Overall Height 528 mm (20.8 in.)
Engine Dry Mass (Including Marine Gear) 113 kg (249 lb) 134 kg (295 lb)
* Rating Condition: Temperature of fuel; 40°C at fuel pump inlet; ISO 8665
** The “total” oil quantity includes oil in oil pan, channels, coolers and filter.
*** The effective amount of oil shows the difference in maximum scale of the dipstick and
minimum scale.
YM OPM_EN.book 84 ページ ２０１３年６月７日 金曜日 午前１１時１１分
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