Specifications

Fitting the oil pumps
– Using a cloth, carefully clean the rest surface of the oil pump
cover.
– Insert the roller into the oil pump shaft.
– Fit the inner and outer rotors to the oil pump shaft so that the
two centres A and B are placed next to each other, and then
insert all the part into the crankcase.
The inner and outer rotors should be fitted so that their
centres face the crankcase.
– Fill the oil pump casing with engine oil.
– Degrease the threads of the two screws 1 (M5x12), apply Loc-
tite 222, fit the oil pump cover and tighten the screws to 6 N·m.
– Insert roller 2 into the oil pump shaft hole.
If the selector plate has been removed, it can now be eas-
ily refitted.
– Fit oil pump gear 3, thrust washer 4 and safety washer
5.
– Check the smoothness of the oil pump shaft by turning the oil
pump gear.
– Using a cloth, carefully clean the rest surface of the oil pump
cover.
– Position the inner and outer rotors in the crankcase so that the
two centres A and B are placed next to each other.
The inner and outer rotors should be fitted so that their
centres face the crankcase.
– Fit roller 6.
– Degrease the thread of the two screws (M5x16) and apply
Loctite 222.
– Fill the oil pump casing with oil.
– Fasten the oil pump cover with the two screws and tighten
them to 6 N·m.
– After fitting the oil pumps, check their smoothness by turning
the oil pump gear.
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Workshop manual RR 4T - 400 - 450 - 525
A
1
2
3
4
5
A
B
6
66_Inghilterra_059311 27-12-2007 18:32 Pagina 58