Question about 2004 kawasaki KLX 125

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My KLX 125 2004 will turn over but wont idle - 2004 kawasaki KLX 125

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Might check: Air filter, choke malfuntion or sticking, dirty carb (idle circuit), valve adjustment, and sometimes a weak spark (cap, plug, wire). Could need a new top end (check compression after adjusting valves) or a vacuum leak in the intake manifold (cracks, petcock line off...not sure if this model uses a petcock vacuum shut off). Good luck.

Posted on Jun 25, 2009

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Posted on Jan 02, 2017

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2003 Kawasaki KLX 125 idle adjustment


Hi, Vernon for this scenario you will need your service/owners manual if you can't find the best tool you ever bought for your Kawasaki, despair not, for a mere $10 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
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Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e


May 27, 2017 | 2003 kawasaki KLX 125

1 Answer

My klx 125 wont start without starter fluid. after its running it wont idle. if it shuts down it wont start again


1.) first check to see that gas is getting to the carburator
2.) check for a dirty air filter
3.)Take your carburetor apart, remove the bowl and soak in carburator cleaner

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1 Answer

2005 Kawasaki KLX 125 hard starting


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

Apr 09, 2014 | 2005 kawasaki KLX 125

1 Answer

2009 Kawasaki KLX 450R high idle


Hi, Anonymous and the usual suspects are:
1. Throttle cables improperly adjusted, pinched or need lubrication.
2. Idle adjusting screw needs to be backed off.
4. Air fuel mixture adjusted too lean start with 2 full turns.
5. Intake system air leak.
6. Fast idle choke ramp is not releasing.
7. Faulty automatic choke.
8. Broken throttle return spring.
9. Damaged diaphragm or slide.
10. Faulty MAP, TPS, ATS, O2, sensors or wiring/connector.
11. Multiple carburetors not in sync.
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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Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e


Dec 19, 2013 | 2008 kawasaki KLX 450R

1 Answer

2003 Kawasaki KLX 400 R will not idle


Hi, DH 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.
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Aug 17, 2013 | 2003 kawasaki KLX 400 R

1 Answer

2005 Kawasaki KLX 110 idle adjustment


Hi, Anonymous you need to make sure you have no intake leaks by spraying some Brake Kleen, Contact Cleaner, Starting Fluid etc. around the intake manifold and seals, if the RPM's go up or down significantly then you have a leak that needs to be fixed before you can continue with the carburetor adjustment.
The engine should be at operating temperature with the choke off to set the idle between 950-1050 rpm. Turn the idle skrew clockwise to increase the idle speed and counterclockwise to decrease the idle speed. If you have access to your air-fuel mixture skrew you may turn it as well, if not there is a video below on how to gain access, make sure you start with clean or new spark plugs. Gently turn the air-fuel mixture skrew clockwise until it starts to bottom out "STOP" do not over tighten as it will damage the taper on the end, now back the skrew out 1-1/2 full turns to establish a starting point start the engine and check the idle rpm's and turn the idle skrew accordingly for 950-1050 rpm if necessary, turn the air-fuel mixture skrew 1/4 turn at a time and let the engine settle for about 10 seconds, turn the skrew clockwise for a leaner mixture and counterclockwise for a richer mixture, you are seeking the highest rpm your air-fuel mixture skrew can acquire without going past 3 full turns from the bottom then resetting the idle skrew back down to 950-1050 rpm If you can not detect any rpm change and can not stall the engine by turning the air-fuel mixture skrew all the way in then your pilot/low-speed jet is too big and needs to be replaced with the next size smaller. Final adjustment should be made with a clean air filter mounted to the carburetor.
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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Sep 26, 2012 | 2005 kawasaki KLX 110

1 Answer

Bought an 07 klx 250 and noticed that the snorkel for the air box is missing. Could this be causing erratic idling. Once the choke is pushed in it idles erraticaly


It is possible. The jets are designed for a specific amount of air flow. Without the snorkel, you may be getting too much air.

Mar 10, 2011 | 2007 kawasaki KLX 250

1 Answer

Adjust idle on 2006 kawasaki 125 klx


Turn the throttle screw inward or outward as needed. Please rate my answer.

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Sep 03, 2010 | 2005 kawasaki KLX 125

1 Answer

2004 klx 125l bike ideling


How long has the bike been sitting? The gas may be bad or the carb might need to be cleaned out or choke may be sticking.

Feb 06, 2010 | 2004 kawasaki KLX 125

1 Answer

Hard start, wont idle 2000 kaw 300 r


if your pilot jet is pluged it will not idle. the pilot jet controls fuel from o-1/8 throttle setting only

Mar 16, 2009 | 2002 kawasaki KLX 300 R

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