2004 Kawasaki KX 125 quit running I have a 2004 KX 125 I just picked up about a month ago and when I test rode it I was ripping and when I get it like 4 days later I went for a ride there was a dead spot in the carb i but I just kept riding figured it would do much (i did the same on my yz)and I rode about 20-30 min and my bike just died like it wasn't getting enough gas I have compression the air filter is clean I just don't know if its a problem in the carb or the Jets or the plug

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22 Jun, 2017

  • 65%
    Solved this issue
  • 86min
    Time to fix
  • 72%
    Recommend to DIY
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Hi, Stevey1292 and the usual suspects are:
1. Severely discharged or a damaged battery must have 12.5 volts or more and be able to pass a proper "LOAD" test if necessary, you may have a preliminary reading of 12.5 volts or more but little or zero amperage the battery is faulty and must be replaced, AGM batteries fail in this scenario more so than lead acid batteries.
2. Faulty alternator/generator and or voltage regulator.
3. Loose or corroded battery terminals and or cables especially the "NEGATIVE" cable, look for loose, corroded, or broken connectors inside the cable harness at "BOTH" ends.
4. Faulty main circuit breaker or ignition switch, check for loose connections and continuity.
5. Faulty system and or ignition relay, check for continuity.
6. Faulty ignition coil, ignition/electronic module.
7. Faulty CKP, CPS, CMP, MAP, TPS, or BAS sensor, corroded, loose or broken wire connector pins/sockets.
8. Throttle cables and or idle speed improperly adjusted hot idle speed should be 950 RPM to 1000 RPM.
9. Faulty neutral, side stand or clutch lever safety switch.
10. Fuel tank empty
11. Fuel tank contaminated with ethanol sludge.
12. Water or dirt in the fuel system, or clogged filter.
13. Restricted, blocked or kinked fuel line.
14. Faulty fuel pump.
15. Faulty pressure regulator.
16. Faulty or clogged fuel injectors.
17. Lean angle switch is faulty or needs adjustment.
For more information about your issue and valuable "FREE" downloads that you need please click on the blue links below. Good luck and have a wonderful day.
Compression Fuel Spark NO START
What to Do Check When Dirt Bike Won Start
Kawasaki KX125 Service Manual
OEM Parts for Kawasaki
Kawasaki kx125 1997 Owner Manual
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