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itssomello Posted on Jan 03, 2019
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Honda SH 125 starts inconsistently.

Scooter has issues starting if ridden, parked and turned off, and then if I attempt to ride again within the hour it won't start. Lights turn on and everything, but when i hit the starter switch it sounds like it is starting but just cant get there. After trying this a few times, it will no longer even make the sound of the engine starting. During this, I notice the fuel gauge resets every time i try to start. If i let the bike sit for an hour or two, i am able to start it again. Took it into the shop a few weeks ago when this initially happened, and they charged up the battery and it passed a load test. Any ideas? Thanks for your help.

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  • Stephen Miller Jan 05, 2019

    Find it yourself

  • itssomello
    itssomello Jan 06, 2019

    How do I do that, Stephen Miller?

  • Stephen Miller Jan 11, 2019

    Ok you need to check fuel lines & filter for dirt even water that includes the filter also. You need to run a current test on you wiring for a short it could be ground out. The best way to do all this is to have a diagnostic on it but before you do get a full explanation on what's involved and what it costs and tell them exactly what is going on.

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2 Answers

mike

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  • Expert 112 Answers
  • Posted on Feb 02, 2019
 mike
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Load tests are not always accurate. But first test the voltage at the battery with it running to make sure it is charging. It should be making at least 13.5v if its not or if it drops when you rev the motor then you have a charging problem. If it is charging then just get a new battery. If its not charging and you need more help to narrow that down then message me for more info.

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  • Honda Master 1,645 Answers
  • Posted on Jan 03, 2019
Stephen Miller
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  • itssomello
    itssomello Jan 03, 2019

    Is this supposed to be helpful?

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5 Related Answers

Anonymous

  • 2712 Answers
  • Posted on Nov 20, 2008

SOURCE: Starter problems

well what you did there was start it but the fans still need the ignition switch to turn on all the electronics. for the starting problem, check the wiring from the battery to the relay. or even the actual ignition switch in the bars. see if the button is bad, that has been a small problem if the internal workings in the button get coroded or get miss aligned.

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Anonymous

  • 324 Answers
  • Posted on Nov 26, 2008

SOURCE: Hard to start warm engine

Sounds like you have a problem with your fuel injectors, either they are working to much or not enough once they get warm....

Take it to a shop ant tell them you want the injectors tested.

Anonymous

  • 1392 Answers
  • Posted on Jun 09, 2009

SOURCE: my honda vt1100 c2 starting problem

If you can hear the starter run, but no motor turning, the starter clutch is going bad. It is what allows the motor to turn over with the starter, and it idles while the bike is running.

Anonymous

  • 1129 Answers
  • Posted on Oct 10, 2009

SOURCE: Bike won't start

It sounds like an ignition timing issue, you need to reset the timing follow the repair manual's procedure, there is usually a mark on the backing plate of the stator that line s up with a notch on the case. Depending upon the direction of the fly wheel rotation the stator's back plate notch must be about 1/8" advanced in the opposite direction of the flywheel rotation, in other words in order to get the timing set from zero (which is when both the notch and the other corresponding notch or scribed line are lined up to one another perfectly) you must slightly move the stator plate toward the direction of rotation then lock down the stator plate hold down bolts. Be aware this is a generic description of the procedure. My observation in the past dealing with rebuilds is that the timing must be set to a static timing setting (which I just described) to get the bike to start initialy then fine tune the timing with a timing light, this is a procedure that should probably be done by a bike shop but you can do it yourself with the appropriate specs, tools, and maybe a repair manual and a little overall knowledge which it sounds like you possess.

Anonymous

  • 2050 Answers
  • Posted on Jan 26, 2010

SOURCE: CHARGE BATTERY, THEN START BIKE UP. AFTER RIDING

Sounds like you are not getting a charge from the alternator. You need to check battery voltage with a meter with the engine off, key off. Then again with it running, and the voltage should increase. If not, it's not charging.

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