Question about 2007 KTM 525 EXC Racing

1 Answer


I was ridding and my spedo light was on but nothing was working, 0 MPH, and trip never moved, HELP !! Thanks Gene

Posted by Gene wood on

  • Gene wood Oct 08, 2012

    Someone that knows KTM would know the awnser

  • Chris Borns Oct 08, 2012

    I know that there is a sensor that optically or magnetically picks up the mechanical movment, in this case rotation. Then the signal is sent to the main computer and distributed to various other electronics that need to use the data input to make their descisions. So I'd say there is a failed speed sensor. It has to be at the output shaft or beyond. This is the only way to determine the speed of the vehicle, not just of the engine. Sorry I don't know where it is, what it looks like, ir where to buy it. Just trying to help buddy.



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Chris Borns

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  • 60 Answers

The speed sensor on one of the wheels, or possible out of the drive shaft or transmission has failed, and needs to be replaced.

Posted on Oct 08, 2012


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  • 2336 Answers

SOURCE: over heating

then i stripped the hex bolt for oil screen.for overheating issue i was told to rejet to 185 @ 45 and change out pipe for restriction! after doing this the bike was still getting then i changed stockk coolant to cycle logics engine ice and gutted the thermostat for a free flowing system!after doing all this the bike needs a lot more abuse than before to over heat but it STILL DOES-very frustrating!! my only option left is to install the engine fan which is still on back order for at least another monthand was also recomended to run waterless coolan(evans)!im 260 pounds which doesnt help the situationi know. but if anyone else has any suggestions im all ears!dont get me wrong i love the bikeit HAS cooled down a lot! but im looking for news maybee to incress the lb rating on radiator cap to possibly 4lbs from the three lbs ktm supplies for this bike! if anybody has heard news with this problem please respond! thank you,ve got a 2006 450 exc that used to over heat also. I installed a JD Jetting kit aand it seems much better. Also installed a coolant recovery system for those real hot days. No problems since.,,,

Posted on Nov 10, 2008


Ken Mangione

  • 74 Answers

SOURCE: Front fork oil change.

be careful, the front forks are under a spring. Just keep going and BE CAREFUL.

Posted on Jan 16, 2009

ollie reece

ollie reece-jones

  • 1167 Answers

SOURCE: KTM EXC 250F - Battery now holding its charge

is the battery charging by engine

Posted on Oct 08, 2009


  • 91 Answers

SOURCE: hi. I have a 2006


The fuse box should be accessible by removing the seat. If I'm not mistaken, the air cleaner and battery are there too.

Hope this helps. If you find this information useful, please vote on this post. Thank you.



Posted on Jan 15, 2011



  • 292 Answers


Thank you for contacting FixYa with your inquiry.
This is not an uncommon behavior and we need to locate the source of the problem and eliminate the things that are not effecting the issue.
Most probable causes: Battery, Starter Relay, Start Button, Starter.
Manually start the bike and take it for a good rip and see if the battery takes/holds a good charge for the rest of the day. If you don't have trouble starting through out the day then it's a good chance you may need to replace the battery. Recommend the use of a trickle charger to keep the charge up during the week when bikes in the garage. Part# 53 Frame Parts/Wiring Harness.
If your battery is known to be new or has a good charge, do you often hear a clicking sound. It might indicate your starter relay is wearing out or you have a short. Trace the wire harness and confirm insulation wear.Check starter wire and confirm the nut's tight with a good star washer. If relay - replace it. Part Number #58 Frame/Wiring Harness
If the battery is known good and the relay pulls in but the starter won't engage and you can hear it attempting you may have an issue with the starter being in a bind from some internal obstruction or just plain worn out. Pull it and check it. See if it engages off the frame. You may have to take it to an alternator shop and have it re-wound. New ones are spendy.
Starter Control Button: Reseat the connection and confirm it's engaging the relay. Part Number #69 chassis/Handlebar Controls.
Hope this helps you resolve your starting issue. If we can provide further assistance please advise,
Best regards,

Posted on Jul 17, 2011

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