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25 kohler Air cooled overheat????

Discussion in 'Lawn Mowing' started by Planet Landscaping, Jun 8, 2004.

  1. Planet Landscaping

    Planet Landscaping LawnSite Senior Member
    Messages: 607

    Any ideas besides the norm,fan,fins,oil?? 1998 Ch 25s Serial # 2812611011 :( (200 hrs on hydroseeder)
     
  2. fixer67

    fixer67 LawnSite Silver Member
    Messages: 2,098

    Lean carb. A lean burning mix can rasie engine temps a lot. A engine can be ran so lean it will start to melt. It has been know to happen. When you say 'overheat' give a little detail of what you mean by overheating. That may help understand it a little better.
     
  3. Planet Landscaping

    Planet Landscaping LawnSite Senior Member
    Messages: 607

    Lean Thats what I was thinking. Is there an adjustment or is it clogged or change jets? Melting protective coating of wires, tickin when real hot.
     
  4. MikeLT1Z28

    MikeLT1Z28 LawnSite Bronze Member
    Messages: 1,732

    exhaust leak? correct spark plug? have you taken the sheet metal off of the block to check all of the fins? i assume it has the proper grade and level of oil. check your fuel filter also.
     
  5. Richard Martin

    Richard Martin LawnSite Fanatic
    Messages: 14,699

    Try Mobil 1 10w30 motor oil. You can also upgrade the oiling system. The newer Kohler 25 has a oil filter adapter for an engine mounted oil cooler. You'll need the adapter, the cooler and the fan shroud.
     
  6. Planet Landscaping

    Planet Landscaping LawnSite Senior Member
    Messages: 607

    Got the oil cooler on it.
     

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