Kohler Help

Discussion in 'Mechanic and Repair' started by xi_bowhunter, Jun 3, 2008.

  1. xi_bowhunter

    xi_bowhunter LawnSite Member
    Posts: 56

    I think my 20hp Kohler died. I was mowing along and it just quit. No noise to indicate a problem. Tried to start it and it rolled over a little bit and came to a sudden stop. You can turn the top by hand backwards and move forward to the sudden stop. Any thoughts?
     
  2. VegetiveSteam

    VegetiveSteam LawnSite Senior Member
    Posts: 297

    When you move it forward to the stop does it make a noise like it hits something?
     
  3. xi_bowhunter

    xi_bowhunter LawnSite Member
    Posts: 56

    Yep. Loud thud
     
  4. VegetiveSteam

    VegetiveSteam LawnSite Senior Member
    Posts: 297

    That doesn't sound good. It's probably nothing external but take a quick look for anything like a clutch issue or something but it sounds like the engine needs to come apart. Sounds like something inside is broken. You probably already figured that much though. It's not on a Walker is it?
     
  5. xi_bowhunter

    xi_bowhunter LawnSite Member
    Posts: 56

    I was afraid of that. It is on an Exmark Turf Ranger. Thanks for your thoughts.
     
  6. mowermankevin

    mowermankevin LawnSite Senior Member
    Posts: 270

    Pull the plugs,put something clean like a plastic zip tie or a bic pen inside the sparkplug hole and rotate the top flywheel/blower screen by hand and see if the pistons push the plastic out the sparkplug hole, if both pistons are still connected to the rods and crank it's not a problem there. Could be several things after that, do you have a compression tester? After the piston test if both cylinders are moving, do a compression test, good luck, but it doesn't sound good by what you have posted, by the way, has oil level been kep't up? Keep us posted on progress, C'ya
     

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