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3.15.2 Crankcase maintenance
Degrease the bearing seats and the profile of the case-half with specific products for aluminium.
Check the case-half: check for integrity and abnormal marks.
Check the 4 bearing seats: there must be no polished areas. Also measure the diameter of the 4
seats, the table shows the factory settings.
Dimension
1
2
3
4
Cosmos 300 – Maintenance manual – V2
Factory settings at 20° C
(mm)
61,955-61,970
39,980-39,996
61,955-61,970
39,980-39,996
188
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