That appears to be the bell housing of your transmission. Look North for the answer to your leak. If it is oil (Dark Brown) not transmission fluid (Red). I would suspect the oil/air separator and/or asociated hoses.

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2007 Suzuki Vinson 500 4X4
2007 Toro 6.5hp
2006 BMW X5 4.4 ltr (his)
2001 BMW X5 4.4 ltr (hers)
1994 Honda XR650L
1984 Honda XR80

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