- Fit the sprocket wheel with a new O-ring.
- Fit the chain.
- Fit the central screw and the belleville washer.
Tighten to the prescribed torque.
- Fit the oil pump cover by tightening the two
screws to the prescribed torque.
N.B.
FIT THE BELLEVILLE WASHER SO THAT ITS OUTER RIM
TOUCHES THE PULLEY. MAKE SURE THAT THE PUMP
TURNS FREELY.
Locking torques (N*m)
Screws fixing oil pump to crankcase 5 - 6 Oil
pump control crown screw 10 ÷ 14 Oil pump cov-
er screws 0.7 ÷ 0.9
Removing the oil sump
- Remove the oil filler plug, the transmission cover,
the complete driving pulley assembly with belt and
the sprocket wheel, as described in the "Trans-
mission" chapter.
- Drain the oil as described previously.
- Remove the seven screws, shown in the dia-
gram, and the two rear brake fluid pipe fixing
brackets.
- Remove the screw, the by-pass piston, the gas-
ket and centring dowels shown in the figure.
Beverly Tourer 250 i.e. Engine
ENG - 155
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