Question about kawasaki KX 125 Motorcycles

1 Answer

1999 Kawasaki KX 125 only runs with the choke on

Only runs with choke on, when throttle applied motor dies. 99 Kawasaki 125 @

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  • kawasaki Master
  • 57,001 Answers

Hi, Dontpanekme and the usual suspects are:
1. Fuel cap or fuel tank is not venting properly.
2. Fuel filter clogged.
3. Fuel line pinched or kinked.
4. Vacuum line from the petcock to intake manifold cracked.
5. Float needle and seat sticking.
6. Float level too low.
7. Carburetor bowl vent line clogged/blocked/pinched.
8. Idle adjusting screw set too low.
9. Air/fuel mixture screw set too lean.
10. Idle port, transfer ports, slow air jet clogged.
11. Slow fuel jet clogged.
12. Faulty fuel pump.
13. Faulty auto choke or wiring connection.
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.
kx 125 doesn run without choke help please
Bike won Run without Choke
https://www.howtomotorcyclerepair.com/images/Kawasaki-KX125-KX250-Service-Manual-Repair-1999-2000-2001-2002-99924-1244-04.pdf
OEM Parts for Kawasaki
1999 Kawasaki KX125 Owner Manual

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Posted on Mar 02, 2018

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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SOURCE: kawasaki ke 125 runs for about 2 minutes stalls

Go to the dealer and ask for the stock plug for your bike. Check for spark on the new plug then install the plug.

Remove the carb , dissemble it and clean the varnish out. Remove the petcock, ( gas valve ),water trap and clean it out. Next let one cup of gas flow into a container. Any water or rust in the bottom of the container? If any rust was in the water trap or the container then purchase an inline fuel filter to eliminate the rust getting into the carb.

If cleaning the carb yourself does not do the trick then take it to the dealer and have them clean it and install a car kit. This should eliminate the carb as a problem. Get a new air filter and install it.

Now you have spark, gas and air. If it still will not start it is likely that you need new crank seals. On a bike that old you may well need new crank bearings as well.

Please rate this solution. Thanks!

Posted on Mar 22, 2009

adnanbhatti
  • 1188 Answers

SOURCE: bike only runs with choke on or giving it

There are two possible solutions:

1. If you are sure the engine is OK then you can increase the throttle screw to increase idle race. The throttle screw can be found where the throttle wire connects with the carburetor.


2. If the bike is old or if you have not changed the engine oil on time then the bike needs piston ring replacement. This should be done as soon as possible to avoid more engine damage and effect savings on cash.

Posted on Aug 09, 2009

ollie reece
  • 1167 Answers

SOURCE: 2006 kawasaki 750 vulcan will not idle , will idle with choke

ok buddy on the carb will be some sort of screw and idle screw turn this in 1/4 of a turn with the machine running until it idles at 1000rpm also the choke will stall the engine when warm the choke is only for cold starts get back to me more info or problems f4d68ca.jpg

Posted on Sep 24, 2009

  • 13 Answers

SOURCE: Engine dies when choke is taken off or when throttle is applied.

where the valves set cold or hot? could make the world of a difference...is there intake leaks? bad floats perhaps....its a problem that will take some time cancelling out problem by problem

Posted on Oct 09, 2009

  • 440 Answers

SOURCE: I have a 2001 kawasaki 125 eliminator shuts off

If it dies when put into gear then its the side-stand switch (stand is down or switch not working)
If it dies when the clutch lever is released then either it was released too quickly with not enough revs, the engine doesnt have enough power to pull away or possibly the clutch switch is working in reverse

Good Luck
Hope this helps.
(If it does then please mark this as 'useful')
Ride Safe
Bike-Doc

Posted on Jan 29, 2010

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Hi, William and the usual suspects are:
1. Clutch cable adjusted too tight.
2. Pressure plate center screw adjusted too tight
3. A broken clutch rod.
4. Slave cylinder piston stuck.
5. Clutch plate missing from the clutch pack.
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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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https://www.howtomotorcyclerepair.com/images/Kawasaki-KX125-KX250-Service-Manual-Repair-1999-2000-2001-2002-99924-1244-04.pdf
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1999 Kawasaki KX125 Owner Manual

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

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2001 Kawasaki KX 125 leaks fuel from the carb overflow


Hi, Montyrobinso and the usual suspects are:
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2. Loose float bowl screws.
3. Damaged float bowl o-ring.
4. improper fuel level in the float bowl.
5. Worn or dirty inlet valve or seat.
6. Damaged or leaking float assembly.
7. Particle contamination in inlet fitting cavity.
8. Damaged petcock diaphragm allowing fuel to flow through the vacuum line into the combustion chamber.
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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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https://www.howtomotorcyclerepair.com/images/Kawasaki-KX125-KX250-Service-Manual-Repair-1999-2000-2001-2002-99924-1244-04.pdf
OEM Parts for Kawasaki
2001 Kawasaki KX125 Owner Manual

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

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What is the sensor and solenoid for,on the carburator kx 125 1999


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2003 KX 125: 1999 kx idles but dies when you rev it its like yo...


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1 Answer

Bike wont kick start or idle , it will coast


first drain the carby, then set your air mixture screw 2 turns out, from the fully turned in position. The starting proceedure is as follows, when the engine is COLD, turn on fuel, pull on the choke fully, and kick the engine over. DO NOT use any throttle, when the engine is cold, and the choke is on. Remember Choke on, NO throttle.
When warm, no choke, and a little throttle when kicking.

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1 Answer

2006 Kawasaki KX 250 dies when the throttle is applied


Hi, Jdmotley982 and the usual suspects are:
1. Idle port, transfer ports, slow air jet clogged.
2. Idle adjusting screw set too low.
3. Air fuel mixture adjustment too lean.
4. Pilot/slow fuel jet clogged.
5. Faulty accelerator pump.
6. Float level too low.
7. Float bowl contaminated old fuel, water, dirt, rust, etc.
8. Carburetor bowl vent line clogged/blocked/pinched.
9. Fuel line to carburetor kinked or pinched.
10. Fuel filter clogged.
11. Intake manifold leak.
12. The gas cap is not venting properly or fuel tank venting system blocked.
13. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
14. Needle and seat stuck closed in the float bowl.
15. Multi carburetors not in sync.
16. Faulty fuel pump or internal fuel line has pinholes.
17. Fuel injectors clogged or faulty.
18. Faulty throttle position sensor.
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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https://www.howtomotorcyclerepair.com/images/Kawasaki-KX-125-KX250-Service-Manual-2003-2004-2005-2006-2007-2008.pdf
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