Yanmar JH Series, Operation Manual

Page: 165 / 198

SPECIFICATIONS
JH Series Operation Manual
157
4JH80 Engine
Note: • Density of fuel: 0.835 to 0.845 g/cm
3
at 15 °C. Fuel temperature at the inlet of the
fuel supply pump.
• 1 hp metric = 0.7355 kW
Specification 4JH80
Marine Gear Model ZF30M ZF25 KM4A2 KMH4A ZF25A KMH50V SD60-4 Bobtail
Use Recreational use
Type Vertical water cooled 4-cycle diesel engine
Combustion System Direct injection
Air Charging Turbocharged with air cooler
Number of Cylinders 4
Bore x Stroke 84 mm x 90 mm (3.31 in. x 3.54 in.)
Displacement 1.995 L (121.7 cu in.)
Continuous power 53.5 kW (72.8 hp metric) / 3101 min
-1
Fuel stop power Output at
crankshaft/
engine speed 58.8 kW (80 hp metric) / 3200 min
-1*
* Rating Condition: Temperature of fuel; 40 °C at fuel pump inlet; ISO 8665
Output at propeller/
engine speed 56.4 kW (76.7 hp metric) / 3200 min -1 * - -
Installation Flexible mounting
Fuel Injection Timing Variable timing (Electronic control)
Fuel Injection Pressure Variable pressure (Maximum injection pressure: 160 Mpa)
Direction of
Rotation Crankshaft Counterclockwise viewed from stern
Propeller shaft
(ahead) Clockwise
viewed from
stern
Counter clockwise or clockwise
(Bi-rotation)
- -
Cooling System Coolant cooling with heat exchanger
Lubrication System Forced lubrication system
Cooling Water Capacity (coolant) Engine 7.2 L (7.61 qt), Reservoir: 0.8 L (0.85 qt)
Lubricating Oil
Capacity (engine) Rake angle at rake angle 7° at rake angle 0°
Total
**
** The “total” oil quantity includes oil in oil pan, channels, coolers and filter.
5.5 L (5.81 qt) 6.7 L (7.08 qt)
Oil pan only 5.2 L (5.49 qt) 6.4 L (6.76 qt)
Effective
***
*** The effective amount of oil shows the difference in maximum scale of the dipstick and minimum scale.
2.4 L (2.54 qt)
Starting System Type Electric
Starting motor DC 12 V - 1.4 kW
AC generator 12 V - 125 A
Engine
Dimension Overall length 925 mm
(36.4 in.)
959 mm
(37.8 in.)
909 mm
(35.8 in.)
907 mm
(35.7 in.)
905 mm
(35.6 in.)
1011 mm
(39.8 in.)
787 mm
(31.0 in.)
787 mm
(31.0 in.)
Overall width 613 mm (24.1 in.)
Overall height 675 mm
(26.6 in.)
799 mm
(31.5 in.)
675 mm
(26.6 in.)
Engine Dry Mass
(including marine gear) 254 kg
(560 lb)
262 kg
(578 lb)
263 kg
(580 lb)
261 kg
(575 lb)
262 kg
(578 lb)
305 kg
(672 lb)
274 kg
(604 lb)
229 kg
(505 lb)
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