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  1. #1
    Four-Wheeler (New Member)
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    mbe4000 oil leak out of exhaust port'

    : has anyone experienced oil leaking from exhaust ports on the MBE 4000 year is 2004

  2. #2
    Road Train Member leftlanetruckin's Avatar
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    Exhaust ports? Those are inside the cylinder head, so a little confused myself.

    Marti

  3. #3
    Road Train Member
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    its probably not oil, but condensation and possibly some unburnt fuel from idling mixed with soot.

  4. #4
    Road Train Member Pablo-UA's Avatar
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    OM457/460 got closed crankcase vent system, so oil vapor is always in intake and if not burned fully (cold engine) in exaust