SPECIFICATIONS
86 YM Series Operation Manual
3YM30E 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 3YM30E
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 3
Bore x Stroke 76 mm x 82 mm (2.99 in. x 3.23 in.)
Displacement 1.115 L (68.04 cu in.)
Continuous
Power
Output at
Crankshaft / Engine Speed
19.4 kW (26.4 hp metric) / 3489 min
-1
Fuel Stop
Power
Output at
Crankshaft / Engine Speed
21.3 kW (29.0 hp metric) / 3600 min
-1*
Output at
Propeller / Engine Speed
20.7 kW (28.1 hp metric) / 3600 min
-1
** -
Installation Flexible mounting
Fuel Injection Timing FID 18 ±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 4.9 L (5.2 qt), Reservoir: 0.8 L (0.85 qt)
Lubricating
Oil Capacity
(Engine)
Rake Angle at rake angle 8° at rake angle 0°
Total
**
2.8 L (2.96 qt) 2.5 L (2.64 qt)
Effective
***
1.4 L (1.48 qt) 1.5 L (1.59 qt)
Starting
System
Type Electric
Starting Motor DC 12 V - 1.4 kW
AC Alternator 12 V - 120 A
Engine
Dimension
Overall Length 715 mm (28.1 in.) -
Overall Width 463 mm (18.2 in.)
Overall Height 545 mm (21.5 in.)
Engine Dry Mass (Including Marine Gear) 133 kg (293 lb) 157 kg (346 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 86 ページ ２０１３年６月７日 金曜日 午前１１時１１分
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