Question about 2014 KTM SX 85

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The spark plug keeps getting wet every time i take it out its a ktm 85 sx 2014 model i clean the spark plug and blow torch it itll start and idle but when the throttle goes its bog and turn off?

Could it be a spark plug problem because i got it brand new and the second day it had problems

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Brand new from the dealer? Don't mess with it if so, make them fix it. From what I've read, it may just be the fuel mixture is too rich.

Posted on Mar 30, 2014

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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.
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1999 2003 KTM 125 200 SX MXC EXC Service Manual Moto Data Project

Feb 23, 2016 | KTM Motorcycles

1 Answer

2014 KTM 250 SX plug fouling


air filter dirty can cause it to run rich. Should be cleaned every 10 hours of riding.
Mix should be at 40:1 in winter and 36:1 in summer. Use a ratio right dont guess on the mix.

Finally - get a JD jetting kit and install it! Crucial for all ktm bikes.

Curious what jetting are you currently running>

Apr 07, 2014 | 2014 KTM SX 250

1 Answer

Ktm 85 2014 wont start seems to be flooding, just purchased yesterday and was fine, then last night it suddenly won't start, like its flooding? Any suggestions?


Could be. Did you turn the fuel valve off last night?
Try starting with no choke holding throttle open about half way..

Mar 30, 2014 | 2014 KTM SX 85

1 Answer

Why doesn't my 2007 ktm 125 sx idle


Check inline fuel filter ( if you installed one) and the one on the top of the petcock in the tank. Then clean all of the carb and jets too. There is a special wire tool made by companies like k&l for cleaning inside of jets. Usefresh gas to and make sure the premix ratio is correct. Clean air filter while you are at it, and replace spark plug after checking the gap.

Jan 07, 2014 | 2007 KTM 125 SX

1 Answer

Ran out of gas and will not start back up?


Since you drained the tank most probably the dirt which collects in any tank over a period of use would have been used up & thus those dirt went to the carburator. If you have a filter before the carb, clean it BUT MOST IMP clean the jets in the carb, especially the the fuel jet/nipple.

May 07, 2012 | KTM Motorcycles

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
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http://www.partsfish.com/page/oem-parts-for-ktm
KTM 85 105 SX Owner Manual

Mar 11, 2017 | 2007 KTM SX 105

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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