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kohler CV25S weak spark

Discussion in 'Mechanic and Repair' started by mike2795, Jul 17, 2007.

  1. mike2795

    mike2795 LawnSite Member
    Messages: 2

    Hello everyone I`m new to the site. The question I have is about a Kohler 25hp Model CV25S engine the family is SKH725U1G2RB. I was mowing and it was working great parked it and the next day it would not start so i checked the fuel and it was getting fuel next checked the spark there was spark but very weak. any suggestions thanks
     
  2. khouse

    khouse LawnSite Bronze Member
    Messages: 1,465

    How did you check the spark? Is it still not running? Did you check both sides for spark?
     
  3. mike2795

    mike2795 LawnSite Member
    Messages: 2

    i put a spark plug on the end of the plug wire and turned it over i left the one in the head there was spark but real weak, and no its still not running
     
  4. khouse

    khouse LawnSite Bronze Member
    Messages: 1,465

    How fast was it cranking. Did it sound normal? Hold the plug wire about 1/4 inch from the block and try again for spark.
     

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