2
35
engi
n
e dis
a
s
sem
bl
y
1
2
3
6
5
4
7
6
8
2.5.3 LOW-PRESSURE OIL PUMP
AND BY-PASS VALVE
The low-pressure pump and the one-way valve are
located in the left-hand side crankcase (on the
outside) inside the ignition unit compartment.
They are enclosed under the cover
1
, which remo
-
ved by extracting the three screws
2
.
Extract the one-way valve consisting in the spring
3
and the ball
4
.
Then extract the external rotor
5
and the internal
rotor
6
together with the roller
7
and the drive
shaft
8
.
Cover and screws of low-pressure pump.
Internal rotor 6, roller 7 and drive shaft 8.
Low-pressure oil pump and by-pass valve.
