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Simple 25hp Kawasaki issue

Discussion in 'Mechanic and Repair' started by Envy Lawn Service, Sep 16, 2010.

  1. Envy Lawn Service

    Envy Lawn Service LawnSite Fanatic
    Messages: 11,087

    OK guys, apparently I've burnt something up in my charging system or something is in need of attention and cleaning up...

    I own a service manual and have learned my way around electrical systems, etc...

    So tomorrow or Saturday I will test the stator and regulator.

    I checked continuity and all is good, so I can't think of anything else to check besides the stator and regulator?

    If stuff checks out should I pull the flywheel and check to see if I need to clean up rust or something in there???
  2. PLS-Tx

    PLS-Tx LawnSite Silver Member
    from Texas
    Messages: 2,383

    Wow, haven't seen you around here in a long time, how have you been?

    Sorry, can't help with your problem.
  3. Envy Lawn Service

    Envy Lawn Service LawnSite Fanatic
    Messages: 11,087

    Well, I have been good... and I have also been better... lol...

    I've been around minor a little here and there.
    Mostly just when someone digs up and old thread and I get an email notification...
    Or when someone asks me to drop in...

    That is about it.
  4. Restrorob

    Restrorob LawnSite Fanatic
    Messages: 11,029


    You'll likely find your problem without pulling the flywheel unless the stator fails the test. The rust on coils/stators is a old myth that has nothing to do with a electromagnetic field.....
  5. Envy Lawn Service

    Envy Lawn Service LawnSite Fanatic
    Messages: 11,087

    OK, so checking regulators and rectifiers is still my weak point.

    I think because the resistance depends on the meter doing the test... and also, I think I read the testing charts backwards on the +/- ... lol...

    But here is the bottom line... the stator checks out at 0.1 ohm...
    I bet it would show proper charge on the leads too.

    On the other hand, though I am weak on the regulator testing...
    Bottom line is I get nothing on the "D" prong or the left prong any way I check it...

    So I have to guess the regulator is bad...

  6. Restrorob

    Restrorob LawnSite Fanatic
    Messages: 11,029

    Perform a running test on the stator. Set your meter on AC volts and put the test leads across the stator leads (regulator unplugged), Start the engine and run it up to 3/4 throttle. If the stator is working properly you should see 26 or more AC volts.....

    Make sure the regulator is grounded good and you have battery (12+) voltage to the regulator with the key in the run position.

    If the stator is putting out and you have a good ground on the regulator with battery voltage, You can pretty much deem the regulator faulty.
  7. Envy Lawn Service

    Envy Lawn Service LawnSite Fanatic
    Messages: 11,087

    My gosh... what a bunch of parts department idiots...

    Nobody could look up and see if they had this regulator for me.

    I got so mad I went and took it off to go throw it on the counter somewhere and have them pull the 2 they make and give me the one that matches.

    Behold... the Kawasaki part # is right on the friggin thing.

    I am reminded why I quit doing business with the locals back in the day.
    Before John Deere Landscapes took over Lesco I could have had the part at my door the next morning.

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