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  1. #1

    Join Date
    Oct 2018
    Posts
    10
    Location
    Michigan
    Mower
    Deines

    Kohler Magnum 18 opposed twin spark issue.

    Can you check the spark by unplugging the wires from the engine and spinning it? I put spark testers on the wires & plugs and turned it with another engine. Nothing. I know this works with some engines that have built in alternators. Usually 3 wire plug on them One for
    the kill switch and 2 for the charging system. It might be that the magnets on the flywheel are dirty/rusty too. Any suggestions out there? Also do these cylinders fire alternately or at the same time?

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  3. #2

    Join Date
    Nov 2014
    Posts
    10,101
    Location
    Australia
    Mower
    Victa slashers & Push , Rover Rancher II's, Cox ( several ) & White LT120 + GT 200

    Re: Kohler Magnum 18 opposed twin spark issue.

    Quote Originally Posted by Rus A View Post
    Can you check the spark by unplugging the wires from the engine and spinning it? I put spark testers on the wires & plugs and turned it with another engine. Nothing. I know this works with some engines that have built in alternators. Usually 3 wire plug on them One for
    the kill switch and 2 for the charging system. It might be that the magnets on the flywheel are dirty/rusty too. Any suggestions out there? Also do these cylinders fire alternately or at the same time?
    see the reply to your first post https://www.lawnmowerforum.com/newre...6186&noquote=1
    Please start a new repair thread in the kohler section.

  4. #3
    LawnWorld Support Catherine's Avatar
    Join Date
    Jun 2015
    Posts
    1,241
    Location
    California
    Mower
    Kubota

    Re: Kohler Magnum 18 opposed twin spark issue.



    Welcome to the forum!

    Hopefully, you're getting some help already in your other threads
    Catherine
    LawnWorld Support

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