Question about 2000 Honda NSR 125

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Problem with electricity

Hello, so i'm having a problem with my honda nsr. It doesn't have a spark. I already changed ignition coil, CDI, i tried CDI with french and GB connections but I still can't get it started. Any advice? :)

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Check No spark out...

Posted on Mar 18, 2014

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This may sound silly, but have you checked the safety switches? There's usually one at the kick stand and sometimes another at the clutch. If either is broken or a wire has come disconnected, the bike cannot start.

Posted on Mar 18, 2014

Testimonial: "I couldn't find any safety switch at kick stand or clutch, only under the seat, and that one was good. However I measured my alternator and there was about 70 ohms too much at black/red - green wire and 10x too high ohms at all three yellow wires. So is that ok or is my pick up or my alternator broken?"

  • Dennis Midkiff Mar 28, 2014

    Not familure with your model bike, but on ebay there are quite a few side stand safety switches listed for your bike. All in UK, is the bike only sold there?

  • Tadej Gaber
    Tadej Gaber Mar 31, 2014

    The bike was sold in Italy but I believe UK/ITA have the same engine and electricity. Anyway on my side stand there is only cable for the light on the dashboard.

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Posted on Jan 02, 2017

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SOURCE: My 2004 Honda Shadow will not start. I have

I would get a test light and check if i had power to my coil and to my cdi module .You more than likely lost powerto one of them .those cdi last for every. check your switch make sure you got power there to. Hope this help

Posted on Feb 22, 2009

  • 3567 Answers

SOURCE: no spark 110cc engine wont start

Check the fuses. Next, check for spark but with a new spark plug. How good is the battery? If needed, add water to the battery cells enough to cover the top of the cell plates.Try a jump start from your car battery. Is the kill switch on? Check the operation of the ignition switch with a volt ohmmeter. You should be getting power into and out of the ignition switch.

If the bike doesn't start and run properly check the side stand kill switch. It kills the engine so that you don’t start out with the side stand down. Broken or out of adjustment, it would kill the spark. Check for a broken wire at the switch or coupler. Get a service manual and check out the electrical section. Some bikes have a diode integrated into the turn signal relay. Try moving the kill switch by hand. If that doesn’t work then wire a jumper around the switch to bypass it. If that doesn’t work, check out the relay.

Check the wiring harness. Did a wire come unplugged? Are all wires clean and with solid connections? Any abraded or pinched wires? Is the bike in neutral and the neutral light is lit up? If no neutral light, check the neutral switch and neutral switch wire on center casing.

Please rate this answer. Thanks

Posted on May 28, 2009

  • 3567 Answers

SOURCE: No spark

Check the side stand kill switch if your bike has one. It kills the engine so that you don’t start out with the side stand down. If broken or out of adjustment, it would kill the spark. Check for a broken wire at the side stand switch and coupler. Try moving the kill switch by hand. If that doesn’t work then wire a jumper around the switch to bypass it. Check the fuses. How good is the battery? Try a jump start from your car battery. Is the handlebar kill switch on? Check the operation of the ignition switch and all kill switches with a volt ohmmeter. Install new spark plug.

If that doesn't do it, check the wiring harness. Did a wire come unplugged? Are all wires clean and with solid connections? Any abraded or pinched wires? Is the bike in neutral and the neutral light is lit up? If no neutral light, check the neutral switch and neutral switch wire on center casing. If still no spark, get CDI system and coils checked at the dealers shop. You can screw up a CDI unit checking it yourself.

Posted on Jun 18, 2009

  • 115 Answers

SOURCE: I have 1983 200 e big red-no spark

I would first try a new plug, then coil. If this is the original coil, it is not unlikely that is your problem. Check and see if a small engine shop near you might have a tester for a coil. That might help, you can also find a coil on ebay pretty cheap.

Posted on Jul 04, 2009

  • 4 Answers

SOURCE: 85 honda shadow 1100 Ignition fuse burns

you have a bad fuel pump. your fuel pump gets turned on by the blue wire that runs from your coil to your spark unit thats why the fuse never blows with the coil disconnected. i had the exact same thing and wasted a lot of time looking for a short that was never there and even tried a new spark unit and fuel cut off relay before i replaced the fuel pump.. fuel pump 65.00 money wasted on other things 350.00 and a lot of time. have your fuel pump tested with a 10 amp inline fuse and if it blows then u will know for sure

Posted on Jul 18, 2009

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1 Answer

I have a CBR125R it has no spark. I changed the CDI, Stator, Pickup, Tilt Switch, but still nothing, please can you help


Hi, Wynand and the usual suspects are:
1. Fouled spark plugs.
2. Severely discharged or a damaged battery, should have 12.5 volts or better and be able to pass a load test if necessary.
3. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
4. Loose connection at ignition coil or plug between ignition sensor and CDI box.
5. Spark plug cables shorting or leaking, spark plug cable connections loose, check for spark leakage in the dark.
6. Faulty ignition coil, pick up coil, trigger coil or CDI box testing needs to be checked with an ohmmeter at 70 degrees Fahrenheit
7. Faulty safety switches clutch, kickstand, neutral, off/on etc.
8. Faulty ignition switch.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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How do i wire a honda nsr125 to the coil and what do i need


Hi and welcome to FixYa,

Would depend to which coil:
  • ignition coil - green to ground & black/yellow to CDI;
  • pulser coil - blue & green/white to CDI;
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  • stator coils - 3 X yellow to rectifier/regulator combo.

Good luck and thank you for asking FixYa.

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Oct 28, 2009 | 2000 Honda NSR 125

1 Answer

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1 Answer

No spark


Check the side stand kill switch if your bike has one. It kills the engine so that you don’t start out with the side stand down. If broken or out of adjustment, it would kill the spark. Check for a broken wire at the side stand switch and coupler. Try moving the kill switch by hand. If that doesn’t work then wire a jumper around the switch to bypass it. Check the fuses. How good is the battery? Try a jump start from your car battery. Is the handlebar kill switch on? Check the operation of the ignition switch and all kill switches with a volt ohmmeter. Install new spark plug.

If that doesn't do it, check the wiring harness. Did a wire come unplugged? Are all wires clean and with solid connections? Any abraded or pinched wires? Is the bike in neutral and the neutral light is lit up? If no neutral light, check the neutral switch and neutral switch wire on center casing. If still no spark, get CDI system and coils checked at the dealers shop. You can screw up a CDI unit checking it yourself.

Jun 18, 2009 | Honda XR 200 Motorcycles

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