12
LUBRICATION SYSTEM
Pressure Requlating Valve
Between the oil pump and oil filter
Location Oil pump body
In front lower side of crankcase
Spring free length (mm)
15
Opening pressure (kg/cm2)
3
By-Pass Valve
Location Filter Head
"Extreme left on the Outer wall“ of crank case
when viewed from Front of Engine"
Opening pressure (kg/cm2)
0.8 to 1 bar
OIL PUMP INTERNAL ROTOR CAMSHAFT DRIVERS
Backlash (mm)
0.05 to 0.08
Drive pinion to camshaft (mm)
0.08
Clearances
Gears to housing (mm)
0.075 - 0.153
Drive shaft to body (mm)
0.037 to 0.074
Drive pinion to body ( end float ) (mm)
0.075 to 0.123
COOLING SYSTEM
Type
Water cool, force feed
Water Pump Type
Centrifugal
TIMING GEAR TRAIN, FRONT COVER AND CAMSHAFT
Camshaft
Material
EN -8
Number of bearings (No.)
2
Bearing Diameter Front (mm)
35
Bearing Diameter Rear (mm)
25
Running clearance (mm)
0.39 / 0.93
Exhaust cam lift (mm)
9
Inlet cam lift (mm)
8.9
Max cam shaft lobe
30
Timing Gears
Number of teeth
40
Crankshaft gear (No.)
1
Camshaft gear (No.)
1
Backlash between any pair of gear (mm)
0.08
Engine Specifications