Question about 2011 kawasaki KLX 250

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2009 Kawasaki KLX 250 S will not start when warm

2009 klx250s starts terribly hard will not start when it is warm either changed pilot to a 38 helped some, however it sort of sounds like it is kicking back like the advance is bad could the cdi be doing this thanks @

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  • kawasaki Master
  • 52,027 Answers

Hi, Dmdbike and the usual suspects are:
1. Faulty ignition coil.
2. Faulty spark plug cables.
3. Faulty temperature sensor.
4. HISS light not going off.
5. Faulty starter motor.
6. Valves adjusted too tight.
7. Spark plug gap too wide.
8. Fuel line has a vapor lock.
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.
https://www.kawasakiforums.com/forum/klx-250s-71/klx250-ran-fine-yesterday-wont-start-today-39936/
https://www.klr650.net/forums/showthread.php?t=33630
https://www.manualslib.com/manual/769633/Kawasaki-Klx250s.html
https://www.partsfish.com/page/oem-parts-for-kawasaki
https://ownersmanuals2.com/kawasaki/klx250s-2009-owners-manual-68817

Posted on Jan 12, 2019

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If they are foam use kerosene soak a few hours then wash with warm soapy water and let dry. If they are paper replace.

Posted on Oct 26, 2009

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SOURCE: I have a 2009 kawasaki klx250s. After starting the

Fuel pump (if you have one) weak or has trash that can move . intermitten short, make sure all fuses are tight not just look good. Probably a re-occuring problem with trash or water in fuel.(fill fuel from clean fuel can ) If it was trash and cleaning carbs made a difference, clean tank filter and lines too.

Posted on Mar 27, 2010

  • 7 Answers

SOURCE: my problem is the bike

I would suggest not making any changes until you find out the problem. especially if the bike was running ok prior. Was the bike sitting for the winter? did you use any fuel stabilizer? Change fuel including draining carbs. Check your air intake passages for spider webs, any mouse nests,... check air filter. change your spark plugs , especially if they look black. The condition of the old spark plugs will tell you a lot. Black indicates running too rich. Whitish or next to nothing indicates too lean fuel mixture. Tanish color is perfect. Start with the simple fixes before dropping money into her

Posted on May 15, 2011

  • 3567 Answers

SOURCE: Hello I am having problems

Starting problems on your bike are usually related to twisting the throttle too often. Remember, the carb has a diaphragm pump in it that gives a shot of gas each time the throttle is twisted. That means the engine can flood quickly if you get happy on the gas. Gently use the kickstart lever to ease the piston just past top center on the compression stroke. Now give a good strong kick. Repeat as needed.

Posted on Jul 02, 2011

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2006 Kawasaki KLX 250 engine oil capacity


Hi, Anonymous for this scenario you will need your service manual that has all fastener torque specs and a wiring diagram on the back pages, parts fiche, and owners manual if you can't find the best tool you ever bought for your Kawasaki, despair not, for a mere zero $0 you can download another one.
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Hi, Anonymous for this scenario you will need your service manual that has all fastener torque specs and a wiring diagram on the back pages, parts fiche, and owners manual if you can't find the best tool you ever bought for your Kawasaki, despair not, for a mere zero $0 you can download another one.
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1 Answer

2009 Kawasaki KLX 250 will not go into gear


Hi, Anonymous and the usual suspects are:
1. Improper clutch adjustment or not disengaging.
2. Bent shift shaft.
3. Shift fork bent or seized.
4. Gear seized on the shaft.
5. Gear positioning lever binding.
6. Shift return springs weak or broken.
7. Shift return spring pin loose
8. Shift mechanism arm spring is broken.
9. Shift mechanism arm is broken.
10. Shift drum is broken.
11. Shift lever loose on the shift shaft.
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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Oct 03, 2013 | 2007 kawasaki KLX 250

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2006 Kawasaki KLX 250 how to check engine oil level


Hi, Anonymous for this scenario you will need your service manual that has all fastener torque specs and a wiring diagram on the back pages, parts fiche, and owners manual if you can't find the best tool you ever bought for your Kawasaki, despair not, for a mere zero $0 you can download another one.
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Hi, Anonymous for this scenario you will need your service, parts fiche, and owners manual if you can't find the best tool you ever bought for your Kawasaki, despair not, for a mere zero $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need for viewing and printing please click on the blue links below. Good luck and have a wonderful day.
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2009 Kawasaki KLX 250 no spark


Hi, Anonymous and the usual suspects are:
1. Fouled spark plugs.
2. 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 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.
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 the ignition coil or plug between ignition sensor and module.
5. Spark plug cables in bad condition, shorting/leaking, spark plug cable connections loose check for spark leakage in the dark.
6. Faulty ignition coil or electronic control module.
7. Faulty pulse coil.
8. Faulty CKP, CMP, or BAS sensor.
9. Faulty ignition switch.
10. Tilt sensor needs a reset.
11. Security alarm failing to disarm needs reset
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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Why is my 2010 klx hard to start when it is warm?


You probably twist the throttle a few times when trying to start it. A power valve squirts extra gas into the cylinder on each twist. The engine then floods and becomes hard to start.

Sep 11, 2010 | 2007 kawasaki KLX 250

1 Answer

2009 Kawasaki KLX 250 hard to start


Hi, Scottgabert and the usual suspects are:
1. Spark plugs in bad condition or have an improper gap or are partially fouled.
2. Spark plug cables in bad condition.
3. Battery damaged or nearly discharged, should have 12.5 volts.
4. 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.
5. Throttle controls not adjusted correctly.
6. Water or dirt in the fuel system.
7. Water or dirt in the carburetor.
8. Intake air leak.
9. Fuel tank vent hose and vapor valve plugged, or the fuel line is closed off, restricting fuel flow.
10. Choke valve inoperative.
11. Engine lubricant to heavy (winter operation).
12. Ignition is not functioning properly (possible sensor failure).
13. Faulty ignition coil.
14. Valves sticking.
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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Jun 21, 2010 | 2011 kawasaki KLX 250

1 Answer

I have a 2009 kawasaki klx250s. After starting the bike and warming it up to the recommended time in the manual as soon as i go to accelerate the bike it hesitates and the rpm's will back down sooo far to...


Fuel pump (if you have one) weak or has trash that can move . intermitten short, make sure all fuses are tight not just look good. Probably a re-occuring problem with trash or water in fuel.(fill fuel from clean fuel can ) If it was trash and cleaning carbs made a difference, clean tank filter and lines too.

Mar 27, 2010 | 2007 kawasaki KLX 250

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