Engine Technical Data - Westerbeke 6.5KW Technical Manual

ENGINE TECHNICAL DATA
Type
Number and arrangement
of cylinders
Bore and stroke
6.5 and SKW
llKW
Total piston displacement
6.5 & SKW
llKW
Compression ratio
6.5 and SKW
llKW
Valve system
Valve Timing 6.5 & SKW
Intake ,opens
Intake closes
Exhaust opens
Exhaust closes
Valve timing llKW
Intake opens
Intake closes
Exhaust opens
Exhaust closes
Compression Pressure
Standard
Limit
Limit of difference between
cylinders
Valve clearances (engine warm)
Valve side Intake
Exhaust
Cam side Intake
Exhaust
21
Gasoline, four cycle
Four cylinders in line,
vertical type
70.0 mm x 69.6 mm
(2.76 in x 2.74 in)
77.0 mm x SO.O mm
(3.03 in x 3.15 in)
1071 CC (65.4 cubic inches)
1490 CC (90.9 cubic inches)
9.2:1
9.0:1
Single overhead cam (OHC) chain
driven
15· BTDC
44· ABDC
53· BBDC
6·
ATDC
15· BTDC
sS· ABDC
sS· BBDC
15· ATDC
12.0
kg/cm 2
(170
lb/in 2 )
at
300
RPM
9.0 kg/cm 2 (12S lbs/in 2 at
300
RPM
2.0 kg/cm 2 (2.S lbs/in2)
0.25 mm (0.010 in)
0.30 mm (0.012 in)
O.lS mm (0.007 in)
0.22 mm (0.009 in)