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Thread: shovelhead solenoid problem

  1. shovelhead solenoid problem

    Did some tranny repair to this '69 over the winter. Tried starting it a few days ago, and the starter would engage for a second or so, and then the solenoid would kick out. Thought maybe the battery was to blame, so I bought and charged up a new one, but the same thing occurred. Just put a new solenoid in, and the same thing is happening. The starter gear will engage long enough to roll the motor maybe a half-turn, but then the magnet in the solenoid seems to lose power and the gear disengages. BTW, I tested the old solenoid out of the bike, and it passed both pull-in and stay-in. Any insight?

  2. #2
    Join Date
    Feb 2008
    Location
    Toronto, Canada
    Posts
    249

    Re: shovelhead solenoid problem

    I had a starter housing crack once that caused a similar issue. All seemed to work well then would stick.

    Craig

  3. #3

    Re: shovelhead solenoid problem

    Add an additional ground strap before you buy anything else.

  4. Re: shovelhead solenoid problem

    It has one that runs between a regulator stud on the battery box and a stud on the kicker cover. Where would the one you're suggesting be attached?

  5. Re: shovelhead solenoid problem

    does it kick over with ease ? try taking the plugs out and see if it still kicks out ...something could be hanging up and causing severe battery drain , the lowered voltage will cause the solenoid to kick out . let us know what you find out.

  6. Re: shovelhead solenoid problem

    Actually, I removed the primary cover and pulled the plugs. Then I stuck a live center into the end of the jackshaft (to keep it in place), and then I hit the starter button. Rolled over well and kicked out well. But you're right, I should probably pull the plugs with everything together and see if it works. Still not sure about the first answer, where to run a ground wire. I could jerryrig one up and hook it to one of the bolts that holds the solenoid on, and then run a jumper to the motor somewhere just as an experiment.

  7. #7

    Re: shovelhead solenoid problem

    Quote Originally Posted by omar1951 View Post
    It has one that runs between a regulator stud on the battery box and a stud on the kicker cover. Where would the one you're suggesting be attached?
    From the battery neg. to one of the solenoid mounting bolts

  8. #8

    Re: shovelhead solenoid problem

    I would take a look at the Bendix drive unit. When the internal springs are damaged they won't keep it engaged under the load of starting. Pull the plugs and try it. I also took a old broken primary outer cover and I cut the corner off of it that supports the starter drive area. You can bolt on just the piece that supports the drive and then observe what is going on.

  9. #9
    Join Date
    Apr 2013
    Location
    McHenry, IL
    Posts
    521

    Re: shovelhead solenoid problem

    I have a chunk of an old primary I used for just this purpose. It's just the top section. The rest was chopped off. It's a great tool!

    DD

  10. #10

    Re: shovelhead solenoid problem

    I second the Bendix comment. When they go bad, they'll only engage for a moment before kicking out. Check the advance weight mechanism in the timer, make sure the weights aren't frozen in the advanced position.
    VPH-D

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