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Thread: honda 250sx electric start just clicks when button is pressed! help please!!!!

  1. #1
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    Exclamation honda 250sx electric start just clicks when button is pressed! help please!!!!

    My 1985 honda 250sx just clicks in the round thing next to the battery about the size of a spool of thread. i think a relay not sure. what would be the steps in diagnosing problems? Any help would be greatly appreciated. I'm not great with electronics so i appreciate any advice Click image for larger version. 

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    Last edited by chopdog; 02-06-2013 at 11:52 AM.

  2. #2
    Join Date
    Oct 2012
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    Somerset County PA
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    well does it have spark? my old bike used to do that and i had to replace the ignition coil, does it start when you kick it?

  3. #3
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    fingerlakesny
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    try jumping the starter.... i had that problem and the starter was shot...good luck
    our original 85 we bought new, 2 - 86 police specials
    250r dust runner
    04 Yamaha kodiaK 450 snowbuster ! Brute Force 750 dust collector .
    Bunch of es stuff I been buying for next builds....
    Gone but lives on in my aching body the mighty 350x collection . A Beat 85 es im gonna rebuild

  4. #4
    Join Date
    Feb 2013
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    tulsa
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    yes it will kick start.

    how do you jump the starter?

    thanks for the quick feed back! This is an awesome forum

  5. #5
    Join Date
    Jan 2013
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    Parker,CO
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    Mine does that when its battery is low. It clicks and doesn't have enough power. If your neutral light on the dash board starts to flicker when your started Id say maybe the battery is dead. Try charging it. Im probably wrong but its worth a try
    15, rode my first when I was 10. I own 4... I guess they Just talk to me

    <<<<<<<<<< Three Wheels For Life >>>>>>>>>>


    (NEW) 1985 Yamaha Tri-z 250 My real #1
    1985 Honda 250sx my "new" all original garage baby
    1985 Honda 200m My first ride
    1985 Honda 200x autox



  6. #6
    Join Date
    Feb 2013
    Location
    tulsa
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    14
    i put a smaller batt i had in the garage and fully charged it but i might not have the cold cranking amperage! The neutral light does dim when i hit the start button. would call it a flicker just dims until you let off the starter button. clicks when i press and clicks again when i release. thanks again

  7. #7
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    tulsa
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    how do you jump the starter?

  8. #8
    Join Date
    Oct 2012
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    Somerset County PA
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    im not sure how to jump the starter, i think he means get some jumper cables and put it on the wires that go to the battery and see if that works, if it doesn't it could just be a bad starter

  9. #9
    Join Date
    Oct 2012
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    Somerset County PA
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    720
    or just a bad battery

  10. #10
    Join Date
    Dec 2012
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    Plymouth, Massachusetts
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    68
    That rounded component appears to be a starter solenoid. If yes then it contains a large set of contacts for switching on high electrical current flow (amperes) to the starter motor when the electromagnetic solenoid is energized. If there were no solenoid then all of the amperes would need to flow through the engine-start pushbutton contacts enroute to the starter motor!

    A voltmeter is used to locate bad connections. Place one of the voltmeter's leads on the battery's ground strap where it bolts onto the engine block/frame. The other voltmeter lead is connected to the engine block/frame (elsewhere). Depress the engine-start pushbutton and observe the voltmeter display for any voltage (electrical potential) developed.

    If you see any electrical potential developed at the ground strap connection then it's indicative of electrical resistance at the connection. A high resistance electrical connection will restrict flow of amperes and create a voltage drop across the connection. Your voltmeter is sensing for any voltage drop when high electrical current flow passes through the connection. This is a more reliable method (especially under high current flow conditions) to detect electrical resistance through a connection than is possible through use of an ohmmeter.

    Eliminate the resistance by disassembling the connection then clean it with a wire brush, baking soda/water solution then apply dielectric grease before re-assembly. Repeat this procedure at the battery negative terminal and the solenoid's negative terminal except the voltmeter's second lead will touch the threaded fastening stud. You can do this on the positive side of the battery also.

    Another simple voltmeter test is to place its probes on the battery positive/negative terminals to measure/display battery voltage. While monitoring the voltmeter display, depress the engine-start pushbutton and observe the displayed voltage. Depending on battery health, the voltage will drop. If voltage drops < 9 volts then battery is either not fully charged or the battery storage capacity is degraded.

    The last method is the last resort - Connect the battery directly to the electric starter motor; short-circuiting (bypassing) the engine-start pushbutton, starter solenoid, starter relay (if used) and all interconnecting wiring terminations. If the battery and starter motor are both good then the motor will energize and rotate. Be advised you'll be applying a lot of amperes (> 50 amps) to the starter motor so you will see electrical arcing when the circuit is closed (completed) to direct stored energy from the battery to power the starter motor.

    Quote Originally Posted by chopdog View Post
    My 1985 honda 250sx just clicks in the round thing next to the battery about the size of a spool of thread. i think a relay not sure. what would be the steps in diagnosing problems? Any help would be greatly appreciated. I'm not great with electronics so i appreciate any advice Click image for larger version. 

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    Last edited by Badbmwbrad; 02-06-2013 at 04:04 PM.

  11. #11
    philgipson's Avatar
    philgipson is offline At The Back Of The Pack Arm chair racerFirst time rider
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    southwest texas
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    jump the starter by shorting the two wires on the round thing together.
    86 big red
    85 250sx
    85 atc70


    non illigitamus carborundum

  12. #12
    Join Date
    Jan 2013
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    Parker,CO
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    Id go get a brand new battery and charge it fully. Start there then troubleshoot starter and everything else. Good luck
    15, rode my first when I was 10. I own 4... I guess they Just talk to me

    <<<<<<<<<< Three Wheels For Life >>>>>>>>>>


    (NEW) 1985 Yamaha Tri-z 250 My real #1
    1985 Honda 250sx my "new" all original garage baby
    1985 Honda 200m My first ride
    1985 Honda 200x autox



  13. #13
    Join Date
    Aug 2010
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    Southern Oregon Coast
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    932
    What Badbmwbrad said (but much simpler)

    The clicking is the starter solenoid engaging (the round thing next to the battery)
    Try putting power directly to the starter from an outside power source. Car battery, jumper pack, etc. If nothing happens you have a bad starter. If it does turn over, you have a weak battery or a loose connection somewhere.

    I don't think it's a bad solenoid but you can check it with a test light. Trace your + battery cable to the one side of the solenoid, the other large wire that is attached should go to the starter. Hook the ground of the test light to the - side of the battery and put the probe of the test light on the wire off the solenoid that goes to the starter. Hit the start button. The test light should light up while you are pushing the button.

  14. #14
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    Feb 2013
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    tulsa
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    thank you so much for your information! Will give it all a try and reply to the out come. What more can I say than thanks so much you all have been a great help!

  15. #15
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    Dec 2012
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    nl/canada
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    just get a car battery, and put the postive on the starter. and just find a rough spot on the frame and put the negative on it, try a couple spots, its how i boost mine, and it works fine, i have the same problem with my dads, he changed the battery from original to some crappy energizer one, the original was in her for 20 years

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