Yanmar BY Series Service Manual page 39

GENERAL SERVICE INFORMATION
Engine Model
Coolant Capacity
(Approximate)
Seawater Pump
Capacity
Maximum Lift
Hydraulic Oil Cooler
Lubrication System
Oil Cooler
Lube Oil Pressure at
Rated Speed
Lube Oil Pressure at 1000
rpm
Lube System Capacity***
Crankcase Ventilation
Drive Options
Stern Drive
Marine Gear
Operational Angles (front-to-rear and left-to-right)
Continuous
Peak
Height
Length (without marine gear)
Stern Drive
(front-to-middle of engine
mount)
Marine Gear
(front-to-marine gear
mounting face)
Overall Length
Width
Weight (without marine gear)
Dry (without mixing
elbow)
Wet (with mixing elbow)
* Cylinder numbering starts at the coolant pump end of the engine.
** Rating condition: ISO 8665. Temperature of fuel: 40°C (104°F) at fuel pump inlet.
Fuel condition: Density at 15°C (59°F) = 0.827 g/cm
Fuel temperature at the inlet of the fuel injection pump.
1 hp (metric horsepower) = 0.7355 kW
*** The "Total Engine Lubricating Oil Capacity" includes oil in the oil pan, channels, coolers, and filter.
The "Effective Engine Lubricating Capacity" indicates the difference in maximum scale of the dipstick and
minimum scale.
**** Capacity may vary depending on installation angle.
3-18
4BY150 / 150Z 4BY180 / 180Z
10.0 L (10.6 qt)
140 L/min (37 gpm) at 4000 engine rpm
Totally enclosed, forced lube system
8.0 L (8.5 qt)****
760 mm (29.9 in.)
644 mm (25.4 in.)
861 mm (33.9 in.)
670 mm (26.4 in.) (local exceeding)
250 kg (551 lb)
270 kg (595 lb)
3
.
Principal Engine Specifications
6BY220 / 220Z
Rubber impeller, belt-driven
2000 mm (78.75 in.)
Seawater cooled
Engine coolant system
3.8 - 6.0 bar (55 - 87 psi)
0.7 - 0.8 bar (10 - 12 psi)
Closed, with filter
Bravo-1, -2, -3
ZF45A; Kanzaki
± 10°
± 20°
721 mm (28.4 in.)
BY Service Manual
6BY260 / 260Z
13.5 L (14.3 qt)
11.0 L (11.5 qt)****
942 mm (37.1 in.)
825.5 mm (32.5 in.)
1001 mm (39.4 in.)
310 kg (683 lb)
340 kg (750 lb)