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Kohler 15 Diesels

Discussion in 'Lawn Mowing' started by siclmn, Jun 10, 2004.

  1. siclmn

    siclmn LawnSite Senior Member
    Messages: 364

    It will usually deisel or make a few pop's every time I shut it off. I use regular gas like it says to. Any suggestions? When it does this can it cause damage to the engine?
  2. mkwl

    mkwl LawnSite Bronze Member
    Messages: 1,700

    What do you mean " It will usually diesel" ?:confused:
  3. txlawnking

    txlawnking LawnSite Bronze Member
    Messages: 1,905

    Dieseling is a form of Self or pre ignition (hot spots in the combustion chamber or the top of the piston). Sounds like you may have some carbon build up, bad fuel or timing that's off (like maybe sheared flywheel key) or a kill switch that doesn't make very good contact. I'd check these things (starting with the cheapest or free things) as usually an engine that diesels usually is detonating as well and detonation is definatelly a killer.
  4. imograss

    imograss LawnSite Senior Member
    Messages: 796

    Let mower idle at the lowest setting for a minute or so and it shouldn't diesel or backfire.
  5. wriken

    wriken LawnSite Silver Member
    Messages: 2,154

    I have a generac, that does that, we too let it idle for a while. Helps somewhat.

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