
2.
Specifications
Model designation
S6S
Type
Water-cooled, 4-stroke cycle
No. of cylinders – arrangement
6 –in line
Combustion chamber type
Swirl chamber
Valve mechanism
Overhead
Cylinder bore
×
stroke
mm (in.)
94
×
120 (3.70
×
4.72)
Piston displacement
liter (cu in.)
4.996 (305)
Compression ratio
22 : 1
Firing order
1 – 5 – 3 – 6 – 2– 4
Direction of rotation
Counterclockwise as viewed from flywheel side
Overall length
866 (34.1)
mm (in.)
Dimension
Overall width
622 (24.5)
mm (in.)
Overall height
801 (31.5)
mm (in.)
Weight (dry)
kg (lb)
Approx. 340 (750)
Type of cylinder sleeve
Integral with cylinder block
No. of piston ring
Compression ring
2
Oil ring
1 (w/spring expander)
Inlet valve
Open
BTDC 30°
Close
ABDC 50°
Valve timing
Exhaust valve
Open
BBDC 74°
Close
ATDC 30°
Starting system
Electric-starter
Starting aid
Glow plug
Type
Force feed by oil pump
API Service Classification
CD or higher
Engine oil
Refill capacity
Whole system: Approx. 13.0 (3.4)
liter (U.S. gal.)
Type
Trochoid
Speed ratio to crankshaft
0.74
Oil pump
Capacity
38.7 (10.2) at 0.3 MPa (3 kgf/cm
2
) [42.7 psi]
liter (U.S gal.)/min
discharge pressure of pump running at 2230 min
-1
Oil pressure
Type
Piston valve
relief valve
Opening pressure
0.35±0.05 (3.5±0.5) [50±7]
MPa (kgf/cm
2
) [psi]
Oil filter
Type
Cartridge of paper element
1-3
GENERAL
General
Engine main
parts
Lubrication
system