Question about 2013 KTM SX 85

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My sons 2013 ktm 85 has been running great but has had a problem at the last two race meets were it drops out of power in the higher gears he claims it feels like he is running out of fuel ??

I have changed the spark plug before every race and have also taken the carby out and cleand it and blown it out , i have heard people say that ktm have these bikes set up rich for bed in period and that they move the clip up one in the carby so it runs leaner ??

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 112 Answers

SOURCE: 06 ktm 50 pro senior bogs after warming up

It sounds like he is running out of fuel in the bowl,poss accelarator pump ?

Posted on Apr 02, 2009

  • 3567 Answers

SOURCE: Changing the spark plug on a KTM Motorcycle

.028 to .030

This was one of the easier questions. Thanks for the break.
Please rate this answer. Thanks!

Posted on Apr 14, 2009

isaid
  • 302 Answers

SOURCE: ktm 50 bogging down gas in clutch oil

BAD CASE SEAL, SORRY BUT U R GONNA HAVE 2 GET OUT DA WALLET AND BUY A REPAIR MANUAL 2 GET PROCEDURE AND SPECS 4 UR BIKES THE GOOD NEWS IS IT HAPPENS ALL DA TIME AND DA REPAIR IS PRETTY STRAIGHT FORWARD. THE COST OF DA MANUAL WILL TAKE CARE OF ITSELF MANY TIMES OVER WITH SELF MADE REPAIRS

Posted on Oct 04, 2009

  • 66 Answers

SOURCE: i just bought a 2009 ktm 450exc new from dealer

First KTM's are great bikes and are reliable.
Second don't adjust the carb unless you know what your doing.
Third it's a thumper....ie big single cylinder and is also a dirt bike.

So with that being said, if your riding it on the street it's going to overheat and if your riding in tight woods is will overheat as well. The puke hose goes to the frame between the radiators and is a messy location in the event of coolant loss. Most riders make the mistake adjusting thiers carbs when that is usually Not the problem. Unless you've installed an exhaust system or live at high altitude you do not need to adjust anything on the carb Except maybe the IDLE stop screw.

For overheating: KTM has a great add on electric fan kit that will help greatly. Also use Engine Ice or at least Water Wetter for better cooling performance. This costs more but is my favorite....buy some Evans NPG coolant and never boil over again!

Lastly, I'm a huge Husky fan but buying that next is like moving sideways, it's still a 4-stroke. Note... KTM's and Husaberg's (the original husqvarna) are made in the SAME Factory.

Posted on Oct 06, 2009

KTMEXC250
  • 31 Answers

SOURCE: how much gear oil does an KTM 85 hold and how do

there should be a sight glass on the gear box to the rear of the casing. The oil should be of an opaque appearence, Sorry can not supply the capacity, try your local dealer for an answer on that one

Posted on Nov 01, 2009

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but the last ride the starter was making noises. Took it back to the dealer and he said the starter gear was broken. I had purchased it exactly 30 days prior and it has a 30 warranty so no cost to me however it this a problem anyone has had and should I be worried?,Yep, My 05 exc525 had the same problem after about 200miles, one of the starter gear teeth broke off , luckily it was caught by the sump plug and ktm replaced the gear for me. Reasons could be slightly higher compression or smaller battery doesnt have the same power but i suspect its down to a batch of the gear cogs not being properly heat treated. As long as the broken teeth went straight to your magnetic oildrain bolt i dont think you need to worry. A couple of my mates also had replacement clutches after about 100 miles on the 525s, my decals are lifting and the rear tail light connector is a bit iffy, also the single red button for the starter and no kill switch with it is naff. Having aired those few glitches, its actually the best bike ive ridden to date with the upgraded chassis and suspension, and the fork seals are spot on. I just hope that ktm dont lose the attention to detail that we all like now they are in demand.,,,

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