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Thread: Main bearings

  1. #1
    Join Date
    30.12.2005
    Location
    Gateshead
    Ducati models
    S4 Monsta / 900 SS
    Posts
    2,008

    Default Main bearings

    soo, ive eventualy split the cases on my bust motor and one of the main bearings is chewed and grainey

    how have i done that then ?

    am i right in thinking that they are splash lubricated and there arnt any oil lines that would be blocked or such?
    I have the tools, I have the talent, I can break anything

  2. #2
    Join Date
    10.09.2011
    Location
    Edinburgh
    Ducati models
    3 x 900SS 93, 95, 2002
    Other bikes
    87 Cagiva 650 Elefant
    Posts
    492
    There may be tiny oil galleys round the bearing....

  3. #3
    Join Date
    08.08.2011
    Location
    Stavanger, Norway
    Ducati models
    900SS, 748
    Other bikes
    Triton, Norton ,Chang Jiang
    Posts
    672
    There is, on some engines it is used to supply a jet which sprays the underside of the piston to cool it.

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