Question about 2006 kawasaki KX 250 F

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I have a 2006 KX250F that idles ruff, or surges up-down-up-down. It runs good on top. ???

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This is likely to be an air leak at the carb or manifold. The leak would thin the fuel/air mixture and account for the problem. Tighten every screw and bolt in the carb / manifold area. With a little luck this may fix the problem.

Posted on Aug 02, 2010

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Posted on Jan 02, 2017

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2 Answers

2007 Kawasaki KX250F only runs with choke on


HI JERRY
HOW IS THE FLOW DOWN FROM THE TANK OR FUEL FILTER
MAY NEED TO CHANGE FUEL FILTER OR CHANGE FUEL LINES OR TANK VALVE BECAUSE USING FULL CHOKE SUCKS THE FUEL AS HARD AS THE BIKE CAN TO GET FUEL THROUGH THE SMALL LINES LET ME KNOW WHAT YOU FIND OR DON'T FIND

May 18, 2018 | 2007 kawasaki KX250F

1 Answer

2006 Kawasaki KX 250 F oil is leaking out of the crankcase breather tube


Hi, Anonymous and the usual suspects are:
1. Oil tank/system overfilled.
2. Faulty breather valve.
3. Engine breather hose bent, pinched, kinked etc.
4. Air filter has too much "pre-oil".
5. Crankshaft seal failure allowing transmission fluid to migrate.
6. Blow by drain tube cracked/split or filled to capacity.
For more information about your question 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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http://www.mx-sport.ru/files/servicemanual-KX250f-06.pdf
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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 07, 2014 | 2006 kawasaki KX 250 F

1 Answer

2009 Kawasaki KX250F will not idle without the choke being on


Hi, Anonymous 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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2009 Kawasaki KX250F will not run unless choke is on
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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

Feb 04, 2014 | 2009 kawasaki KX250F

1 Answer

2011 Kawasaki KX250F will not idle without the choke being on


Hi, Xxhydrogenzx 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.
Bike will only run with the choke on
06 KX 250F will only idle with choke on
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2011 Kawasaki KX250F Owner Manual

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

Jun 01, 2012 | 2009 kawasaki KX250F

1 Answer

2006 Kawasaki KX 250 F exhaust glowing cherry red


Hi, Heimjason and the usual suspects are:
1. Retarded ignition timing.
2. Retarded cam timing.
3. Bent or burnt exhaust valve.
4. Massive air leak.
5. Intake manifold cracked or damaged.
6. Intake manifold seals have failed.
7. Wrong heat range spark plug.
8. Fuel delivery system running too lean.
9. Faulty Map, O2, MAF, TPS, sensors.
10. Faulty advance mechanism.
11. Faulty VOES switch.
12. Aftermarket exhaust headers tubing too thin.
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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http://motocrosshideout.com/2012/06/17/is-a-glowing-red-head-pipe-okay
http://www.mx-sport.ru/files/servicemanual-KX250f-06.pdf
OEM Parts for Kawasaki
2006 Kawasaki KX250F Owner Manual

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

Apr 29, 2012 | 2006 kawasaki KX 250 F

1 Answer

2006 Kawasaki KX 250 F will not start when hot


Hi, Briar613 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 has 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.
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http://www.mx-sport.ru/files/servicemanual-KX250f-06.pdf
OEM Parts for Kawasaki
2006 Kawasaki KX250F Owner Manual

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


Mar 28, 2011 | 2006 kawasaki KX 250 F

1 Answer

Idle,s ruff up and down rpm


This surging up and down is due to the engine not getting enough fuel. A cleaning and gasket replacement could fix it but entire carburetors are almost as cheap. you might check a local shop like www.arcolawn.com to see what it goes for. Good luck
joe

Feb 15, 2011 | Mtd 19 In. 173 CC OHV 3-In-1

1 Answer

2006 Kawasaki KX 250 F engine oil capacity


Hi, Tomandabi for this scenario you will need your service manual, 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 or printing please click on the blue links below. Good luck and have a wonderful day.
How to change the oil in your 2006 KX250F
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http://www.mx-sport.ru/files/servicemanual-KX250f-06.pdf
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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


Jan 02, 2011 | 2006 kawasaki KX 250 F

1 Answer

2004 Kawasaki KX 250 F choke not working


Hi, Johndoe_3565 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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http://www.mxguy.com/downloads/service_manuals/2004_KX250F_Service-Manual.pdf
OEM Parts for Kawasaki
2004 Kawasaki KX250F Owner Manual

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


Jan 02, 2011 | 2004 kawasaki KX 250 F

2 Answers

1991 deville idling very ruff


Hi you should change the coolant temp sensor this is a white sensor on top of the intake and is part ot the computer system.

Dec 30, 2008 | 1991 Cadillac DeVille

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