Question about 2002 KTM 640 LC4

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Ktm 640 adventure electric start not working

Hi, my Ktm 640 Adventure just died in the middle of riding it for 10 minutes, before that it seemed slow to crank when starting with the elec. Switch like there wasn't enough juice but started with the kick ok. When I press the elec switch I don't even get a clicking sound from the relay, but if I connect the 2 relay poles with a spanner I get a spark. Battery shows 11.5 V on the multimeter. Any ideas?

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The solinoid coil seems suspect, as jumping across terminals bypasses coil

Posted on Jul 04, 2010

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Posted on Jan 02, 2017

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2011 KTM 990 Adventure low beam blows and speedometer goes out


Hi, Anonymous if your headlight is not working, only one beam works, keeps burning out, blinking, or is dim the first thing you need to check is the headlight bulb for damaged filaments then check your light circuit fuse, then check your head light bulb socket ground wire for a clean tight connection, that being said the usual suspects are:
1. Faulty ground or power supply wire to headlight bulb socket.
2. Worn down solder contacts or loose fit of the bulb base in the socket due to vibration.
3. Worn, chaffed, or broken wires in the light circuit.
4. Corroded, broken, or loose pins/sockets in wire connectors.
5. Faulty hi/lo beam switch.
6. Faulty ignition switch.
7. Fuse is good but no continuity on both sides.
8. Faulty headlight relay.
9. Faulty wiring between battery positive and headlight bulb socket.
10. Weak charging alternator/generator.
11. Faulty voltage regulator/rectifier ground or overcharging.
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.
Headlight and taillight out
KTM Super Twins Forum
KTM 2003 950 Adventure Repair Manual
http://www.partsfish.com/page/oem-parts-for-ktm
KTM 990 ADVENTURE EU Owner Manual

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

May 31, 2017 | 2011 KTM 990 Adventure

1 Answer

KTM 1190 Adventure does not start and MTC FAILURE is showing in the screen


Hi, Daniel and the usual suspects are:
1. Ignition Switch not in the "ON" position.
2. Engine Run Switch in the "OFF" position.
3. Discharged battery, needs to be 12.5 volts or better and be able to pass a load test if necessary.
4. Check the 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. Tip over sensor needs a reset.
6. Faulty ignition switch.
7. Faulty starter button.
8. Faulty kickstand or clutch pull in switch/sensor.
9. Starter control circuit, relay, or solenoid faulty.
10. Main fuse or circuit breaker may be blown or faulty.
11. Check for engine trouble codes.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
KTM 1190 adventure std MTC failure won start Need help
KTM Super Twins Forum
KTM 1190 Adventure 2014 2015 Workshop Service Repair Manual Download...
http://www.partsfish.com/page/oem-parts-for-ktm
http://www.ktm.com/globalassets/product-manuals-pim-data/dok_bike_bed_14_3213106_en_om__sen__aepi__v1.pdf

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

Jan 24, 2017 | 2010 KTM 1190 RC8

1 Answer

My brother has a 2004 ktm pro senior 50 went for a ride after 20 minutes it died and now the spark just comes and goes..can someone help me, please


Hi, Bowe the following applies to carbureted also fuel injected models and the usual suspects are:
1. Severely discharged or a damaged battery, should have 12.5 volts or better and be able to pass a load test if necessary.
2. Failed alternator/generator and or voltage regulator.
3. Loose or corroded battery terminals and or cables especially the "NEGATIVE" cable, look for loose, corroded, or broken connectors inside the cable harness at "BOTH" ends.
4. Failed main circuit breaker or ignition switch, check for loose connections and continuity.
5. Failed system and or ignition relay, check for continuity.
6. Failed ignition coil, ignition/electronic module.
7. Failed CKP, CPS, CMP, MAP, TPS, or BAS sensor, corroded, loose or broken wire connector pins/sockets.
8. Throttle cables and or idle speed improperly adjusted hot idle speed should be 950 RPM to 1000 RPM.
9. Air/fuel mixture screw improperly adjusted.
10. Water or dirt in the fuel system, carburetor or filter.
11. Restricted, blocked or kinked fuel line.
12. Fuel tank empty.
13. The gas cap is not venting properly or fuel tank venting system blocked.
14. A failed fuel pump, pressure regulator and or fuel injectors.
15. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
16. Needle and seat stuck closed in the float bowl.
For more information about your issue and valuable "FREE" downloads that you need please click on the links below. Good luck and have a nice day.
Dirt Rider Magazine
2004 KTM 50 Senior Adventure won start
ktm 50 sx
https://www.tradebit.com/filedetail.php/279443074-2003-ktm-50sx-pro-senior-lc-motorcycle

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

Apr 25, 2016 | KTM Motorcycles

1 Answer

How can you tell how old KTM 85 is


serial number on engine and frame ! shape and design of plastics and bike as most years have some sort of change ! take pictures and numbers to KTM dealer !

Feb 13, 2014 | Saddlemen Standard Adventure Track...

1 Answer

What is the diffrint coloured spings mean on a ktm sx250


Different colored springs usually indicate that they provide a different pressure resistance.

I’m happy to help further over the phone at https://www.6ya.com/expert/jason_00b31cc8f593773a

Oct 11, 2013 | Saddlemen Standard Adventure Track...

1 Answer

Hi stopped to fuel up my Ktm 640 adventure 2000


have you checked your main fuse is the battery fully charged is there spark at the plug are you sure you havent bumped the kill switch without noticeing it

Apr 15, 2010 | 2002 KTM LC4 640 Adventure

1 Answer

My brother is stuck in white sands NM and his '01 ktm Adv R 640 will not start. None of the lights come on. He was riding slow for a while which makes me think that it is over heated. there is no shade...


It's possible that the battery has decided to go further south. A blown fuse is definitely worth looking for. If he was running slow for an extended period of time, the battery could just be discharged for lack of sufficient charging current. Look at the water level in the battery--if very low, it won't produce much current or charge well. A voltmeter or test lamp would be a definite asset in troubleshooting the battery and the cables which may be corroded through. Good luck!

Apr 03, 2010 | 2001 KTM Adventure R 640

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