Question about 2010 Yamaha yZFR 125

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2010 Yamaha YZFR 125 will not start

Hi I have a Yamaha yzfr125 I have spark but it will not start, the engine management light keeps flashing on and off any suggestions, please

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Hi, Raymond and the usual suspects are:
1. Fuel tank empty.
2. The fuel tank has old dead gas.
3. Fuel tank bottom contaminated with ethanol sludge, dirt, water, rust, etc.
4. Fuel supply valve/petcock turned off.
5. Fouled spark plugs.
6. Engine flooded as a result of overuse of the enrichner.
7. Vacuum hose to the fuel supply valve/petcock disconnected, broken, cracked, or pinched.
8. Fuel valve/petcock or filter clogged.
9. Fuel line to carburetor or throttle body pinched, kinked or blocked.
10. Carburetor float stuck.
11. Fuel injectors clogged.
12. Fuel injectors stuck open.
13. Severely discharged or a damaged battery should have 12.5 volts or more and be able to pass a proper "LOAD" test if necessary, you may have a cursory 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.
14. 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.
15. Loose or corroded wire connection at the coil or plug between ignition sensor and ECM module.
16. Spark plug cables in bad condition and shorting check for spark leakage in the dark, cable connections loose, or connected to the wrong cylinders.
17. Ignition timing incorrect due to a faulty ignition coil, ignition module or MAP, CMP, CKP, O2, TPS, ETP, IAC sensors.
18. Faulty neutral, clutch lever, or kickstand safety switch.
19. Faulty fuel pump or fuse or relay.
20. A stuck bent or burnt valve.
21. Tilt sensor needs a reset.
22. Security system not disarming alarm needs a reset.
23. Check for engine trouble codes.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
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Posted on Aug 12, 2017

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6ya6ya
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Posted on Jan 02, 2017

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mxtras
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SOURCE: hi, pls how can i know the year of my yamaha yz 125

Go to this site and enter your ENTIRE VIN number:

http://www.motoverse.com/tools/vin/yamaha.asp

Posted on Nov 10, 2009

  • 77 Answers

SOURCE: hi the engine management light is on when I try to start my bike it is a Yamaha xj6n 2009 thanks

That could be oil pressure issue due to a leak somewhere maybe?

Posted on Feb 15, 2015

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My yamaha yzfr 125 starts up and everything works when in neutraul.. but when i hold in the clutch and click it into 1st gear the engine light flickers and then the bike cuts it self out.. why is this?


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