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motor replacement 2003 exmark lazer z

Discussion in 'Mechanic and Repair' started by Fabric8r, Sep 14, 2012.

  1. Fabric8r

    Fabric8r LawnSite Member
    Messages: 11

    Hello i have a 2003 exmark Lazer z. it has a Kohler 27hp air cooled engine. model # ch740-0007. I blew the motor. it is not fixable. I took to a machine shop and they agreed. it also had high milage about 3700 hours.
    my question is I found another Kohler motor motor 31hp Aegis EFI Liquid cooled. model # LH775s-0013. It is roughly the same price. It will need a little modifying to put in. But im shure i can handle it.
    Would this be a good idea or is it not worth the trouble. should i just stick with the original motor.
    does the efi run better than carburated.
  2. Fabric8r

    Fabric8r LawnSite Member
    Messages: 11

    Ended up going with a Kohler ch750-0026 This motor was a direct fit. same motor except 30hp instead of 27. Carburated and air cooled.
  3. John_DeereGreen

    John_DeereGreen LawnSite Senior Member
    Messages: 458

    Wow...3700 hours on a Kohler...that's damn impressive.

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