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New Super Z 60/28 EFI using oil

Discussion in 'Hustler Turf Equip (Archived)' started by JLH, Jul 29, 2005.

  1. JLH

    JLH LawnSite Member
    Posts: 103

    I recently purchased a new Super Z 60/28 EFI Kohler engine. I changed oil and filter at 5 hours.

    I checked oil at 17 hours and it was down 1/4 below full mark, added oil to bring up to full mark.

    This mower is used for homeowner use only not commercial, it takes me only 3 hours per cut.

    I checked again at 20 hours, it was down 1/4 below full again. I did not add any this time but proceeded to cut for 3 hours.

    Upon finishing and allowing mower to cool completely, the oil level had dropped down to add mark. The mower now has a total of 23 hours.

    The grass is not overgrown and the mower is not forced and I have not abused it whatsoever.

    I asked my dealer yesterday and he said it was possible that there could be a
    crack or flaw in the breather seperator, which is a small rubber-plastic type grommet.

    Has anyone experienced this type of oil use problem, if so how was it solved?
  2. mowerconsultant

    mowerconsultant LawnSite Fanatic
    Male, from Syracuse, NY
    Posts: 9,761

    This could just be engine break in, as in the piston rings not being seated in yet.
    I would get with your dealer and make sure this is the case though, I am not a Kohler technician and cant speak on behalf of Kohler.


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