22 hp kawasaki won't charge

Discussion in 'Mechanic and Repair' started by scag runner, Apr 9, 2008.

  1. scag runner

    scag runner LawnSite Member
    Messages: 7

    I have a 22 hp liquid cooled Kawasaki with approx. 1700 hr
    the motor runs good for about 2 hrs if i put a new battery in it or charge the old one then it starts to run like #*^$ and shuts down. :cry:
    a short lesson on how the motor charges the battery would be great.:confused:
    if any one knows how to trouble shoot and or fix the problem this would help me a great deal.

    thanks in advance.
    scag runner
     
  2. khouse

    khouse LawnSite Bronze Member
    Messages: 1,465

    First things first. Do you have and/or operated a DC voltmeter?
     
  3. MJB

    MJB LawnSite Silver Member
    from Wa
    Messages: 2,869

    Mine has an alternator on the back of my exmark. So I would look for that check the belts, and wires. Great engine fuel miser and dependable.
     
  4. scag runner

    scag runner LawnSite Member
    Messages: 7

    yes I have a DC voltmeter
     
  5. Restrorob

    Restrorob LawnSite Fanatic
    Messages: 11,026

    Posting the engine model and spec numbers would be helpful so we can get on the same page.

    Here is a paste of a general test you can perform while getting numbers;


     
  6. P.Services

    P.Services LawnSite Fanatic
    Messages: 6,319

    i bet its a fd661d, its the voltage regulator.
     
  7. scag runner

    scag runner LawnSite Member
    Messages: 7

    yes it is a FD661D Liquid cooled Kawasaki
     
  8. scag runner

    scag runner LawnSite Member
    Messages: 7

    were is the voltage regulator, and what does it look like

    here are the spec. numbers

    Family SKA6171G2RA

    Dis. 617CC(o.617L)

    thank you for your help in advance.
     
  9. khouse

    khouse LawnSite Bronze Member
    Messages: 1,465

    Scag runner,
    Why are you looking for things to change out when you haven't even posted any voltage reading across your battery? You should have already tested your battery and voltages recorded across your battery at full throttle and posted something. Restrorob gave you a nice easy to follow diagnosis. We can't help you without numbers.
     
  10. scag runner

    scag runner LawnSite Member
    Messages: 7

    i finally had time to trouble shoot the mower.

    when i checked the voltage across the the battery, their was only a little change across the battery at different speeds but it was around 12 volts. I checked the wires that come from the black box on the lower left side of the motor, and they were around 12 volts at different speeds.
    I did check the wires coming from the clutch, and the one with 2 black wires was about .13 volts
    And the one with the blue wire coming from it had about 8.56 volts.
    when i check the back of the amp meter their was always 12 volts even though it was on the negative side of the gage
     

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