Question about 2008 KTM 105 XC

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07 KTM 85 SX LOSE OF SPARK

HI ,YOU RESPONDED TO MY QUESTION ,THANKS YES I DID BY PASS THE KILL SWITCH AND ALSO CHECKED IT CIRCUIT IS FINE.THE BIKE WAS RUNNING FINE MY KID WAS RIDING THE BIKE IN A HARE SCRAMBLE WHEN THIS HAPPENED HE SAID IT SOUNDED LIKE HE SEIZED THE RINGS YOU KNOW THE BURRRRRR SOUND. BUT THE TOP BOTTOM AND SEALS ARE FINE.

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Hi my sons bike has no spark can anybody help! tried disconnecting the kill switch changed both blocks could it be the magnet on the fly wheel?

Posted on May 26, 2010

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Did you do a compression check just for the sake of saying the motor did not seize? Have you checked by grounding the spark plug to make sure there is not spark? Your problem really sounds like a seizure. You may have lost the CDI box.

Posted on Dec 08, 2008

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Posted on Jan 02, 2017

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I've got a KTM 125sx 2002 I've done a top end rebuild piston etc and put a new coil and plug on it and the bike won't start with the kicker, only with a bump start took the plug out and its got a weak


Hi, Ian and the usual suspects are:
1. Fouled spark plugs.
2. Discharged battery, 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.
3. Loose connection at ignition coil or plug between ignition sensor and module.
4. Spark plug cables in bad condition, shorting / leaking, spark plug cable connections loose.
5. Faulty ignition coil or ignition / electronic module
6. Failed CKP, CMP, or BAS sensor.
7. Faulty ignition switch.
8. Security alarm failing to disarm needs reset
For more information about your issue and valuable free downloads that you will need please visit the websites below. Good luck and have a nice day.
125sx won kick start please help me KTM 2 Stroke
ktm 85 sx no spark
1999 2003 KTM 125 200 SX MXC EXC Service Manual Moto Data Project

Feb 23, 2016 | KTM Motorcycles

1 Answer

Engines that fit 2013 KTM SX 85 @


Hi, Ian the answer to this question is way above my pay grade for this situation, I would call or visit my local dealer or reputable shop's service/parts department and inquire about any possible quick fix, answers, or parts inquiry.
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.
50 65 85 SX Engine KTM PowerParts
KTM 85 Engine Parts Bottom End
https://drive.google.com/file/d/0B-UgQx8CVp8JeGswX3NZODZINzQ/view
http://www.partsfish.com/page/oem-parts-for-ktm
https://ownersmanuals2.com/get/ktm-85-sx-19-16-eu-2013-owner-s-manual-60013

Apr 01, 2015 | 2013 KTM SX 85

1 Answer

How can you tell what year KTM 85 was made


Yes the vin number can identify the bike year make and model. Prior to 1980 sometimes will NOT give engine size.

Feb 13, 2014 | 2008 KTM SX 85

1 Answer

KTM 105 SX spark plug fails every ride???


Hi, Sagi nice novella and the usual suspects are:
1. Fuel mixture too rich or enrichner left out too long.
2. Faulty spark plug.
3. Incorrect spark plug for the engine type or service.
4. Piston rings badly worn or broken.
5. Valve guides are badly worn and/or seals worn, crushed or have come off the valve guide and are pumping oil through it.
6. Spark plug cable weak or leaking check for spark jump in the dark.
7. Faulty ignition coil.
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.
http://www.ktmforums.com/forums/two-strokes/1966-solution-fouling-spark-plugs.html
Why Does My Dirt Bike Keep Fouling Spark Plugs
KTM 85sx 105sx service manual repair 2004 2009 85 sx 105 sx Download... $8 cheap
http://www.partsfish.com/page/oem-parts-for-ktm
KTM 85 105 SX Owner Manual

Mar 11, 2017 | 2007 KTM SX 105

2 Answers

2003 KTM 250 SX won't start. When you kick it, it starts to fire but never turns over. I accidently put the wrong gas in it. It takes 60:1 but I didn't put enough oil in it. It died while I was riding it....


hi
If you have run the engine with too little oil then there is probably damage to the piston / rings & / or bore
Remove the exhaust to have a look

Ride Safe
Bike-Doc

Jun 03, 2010 | 2003 KTM SX 250

1 Answer

I have no spark 2000 KTM 125 sx


Before going to the CDI system go ahead and check the kill switches including the side stand switch, with an Ohmmeter. How good is the battery? Check the fuses. Check the wiring harness. Are all wires clean and with a solid connection? Any abraded wires? Check the operation of the ignition switch with a volt ohmmeter. Is the bike in neutral and the neutral light is lit up?

You can download a free PDF factory service manual by going to the website below >
http://www.carlsalter.com/motorcycle-manuals.asp
The manual should tell you in detail how to test the CDI and other electrics.

Please rate this solution. Thanks. > 4 diamonds would be nice!

Apr 08, 2009 | 2000 KTM SX 125

1 Answer

LOSE OF SPARK


Pull the plug back out of the cylinder and ground it against one of the head bolts, kick the engine over to see if you are getting a spark.

Nov 12, 2008 | 2008 KTM 105 XC

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