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  1. #1
    Member
    Join Date
    Jun 2007
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    Carrollton
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    400

    DF9.9B oil on gear shaft

    While changing water pump I notice a small amount of oil on the splines of shaft. Is this normal for a four stroke engine?
    Thanks

  2. Member
    Join Date
    Aug 2012
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    London UK
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    #2
    Oil, not grease?

  3. Member
    Join Date
    Jun 2007
    Location
    Carrollton
    Posts
    400
    #3
    Yes, appeared to be motor oil. Some was pooled on the very top of shaft where it is concaved. Had not ran down shaft and none on water pump housing.

  4. Member
    Join Date
    Aug 2012
    Location
    London UK
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    930
    #4
    Don't know. The splines ought to have some grease, but motor oil there would be odd. Worth monitoring for sure