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Old 06-19-2020, 09:13 PM   #16
Gary856
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Join Date: Apr 2009
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My '07 690SM at about 7.4k miles would stall when I slowed to idle sometimes, started right up, and ran fine otherwise. It was gradual, but got worse progressively to the point of stalling several times during a short ride. Moto Cafe replaced the spark plug; problem solved. Don't know if it applies to your case.

Last edited by Gary856; 06-19-2020 at 09:18 PM..
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Old 06-20-2020, 08:24 AM   #17
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I would ditch the PCV and use TuneEcu to load a different map.
Looks like there’s one on the list here that had the Leo Vince, as well as one that mentions the stalling issue resolved:
https://tuneecu.net/AustrianCustomMapList.html
I have the cable and setup to load if you want to borrow.
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Last edited by Arsey; 06-20-2020 at 08:37 AM..
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Old 06-20-2020, 07:00 PM   #18
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Any update to this?
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Old 06-21-2020, 11:16 AM   #19
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There are a lot of discussions on this https://tinyurl.com/y9xum59l

I'd look at the simple stuff first: fuel filter, valve clearance, idle setting, or a throttle sensor, or maybe even air intake obstruction.

Mine will sometimes do a stutter or lunge over a slick spot if the rear wheel loses traction. It's disconcerting, since this is always if I am on the gas, and it suddenly throttles down, then on again. Odd.
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Old 06-22-2020, 03:24 PM   #20
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Join Date: Nov 2006
Location: The wild west side of Davis
Motorcycles: 2007Honda CBR 600rr 2010 KTM 690 2014 Grom
Name: Daniela
No updates yet, but Thabks to the great answers I think I have a good game plan.
1) general tune up ,Replace spark plug, check valve clearance, fresh gas , check fuel lines and fuel filter. Someone told me that this year needs a valve adjustment in the first 2500 miles if I read my service manual.
Pray
2) possibly replace the throttle sensor, possibly The oxygen sensor.
Cross fingers
3) replace the missing washer with the 3 holes and/ or remove the PC5
4)Scout for an impossible to find stock pipe
Cross toes
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Last edited by horsepower; 06-22-2020 at 03:25 PM..
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Old 06-22-2020, 03:38 PM   #21
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Dani i don't want to discourage you but,... you mentioned Praying. these machines speak German. you should learn to swear at them in their native tongue, because they'll just ignore you if you don't.
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Old 06-22-2020, 03:43 PM   #22
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Dani i don't want to discourage you but,... you mentioned Praying. these machines speak German. you should learn to swear at them in their native tongue, because they'll just ignore you if you don't.
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Old 06-22-2020, 05:15 PM   #23
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Old 06-22-2020, 05:32 PM   #24
Yakko Warner
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Throttle body sync?

[Ah. Nothing to sync with. How embarrassing.]

I ain't no mechanic, and I don't have a KTM, but since these are idle problems, perhaps do a throttle body sync? Though I read KTM gives no instructions on how to do it.

Last edited by Yakko Warner; 06-22-2020 at 06:31 PM.. Reason: Single cylinder awakening.
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Old 06-22-2020, 08:07 PM   #25
Clem Kevin
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Originally Posted by horsepower View Post
No updates yet, but Thabks to the great answers I think I have a good game plan.
1) general tune up ,Replace spark plug, check valve clearance, fresh gas , check fuel lines and fuel filter. Someone told me that this year needs a valve adjustment in the first 2500 miles if I read my service manual.
Pray
2) possibly replace the throttle sensor, possibly The oxygen sensor.
Cross fingers
3) replace the missing washer with the 3 holes and/ or remove the PC5
4)Scout for an impossible to find stock pipe
Cross toes
Come ride that sucker up to Petrolia once it's running. That's the perfect bike up here.

Last edited by Clem Kevin; 06-22-2020 at 08:09 PM..
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Old 06-22-2020, 08:19 PM   #26
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My old Ducati would die randomly and it turned out to be the charcoal canister dumping straight gas into the intake and it would bog out. Removed it and never had a problem.

I've had other bikes with idle issues solved by cleaning the idle air actuator passages with a spray cleaner. They were gunked up with oil.
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Old 06-22-2020, 10:51 PM   #27
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Originally Posted by Arsey View Post
I would ditch the PCV and use TuneEcu to load a different map.
Looks like there’s one on the list here that had the Leo Vince, as well as one that mentions the stalling issue resolved:
https://tuneecu.net/AustrianCustomMapList.html
I have the cable and setup to load if you want to borrow.
I second this and a new fuel filter and a hearty load test on the battery.
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Old 06-23-2020, 04:14 AM   #28
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Old 06-23-2020, 07:46 AM   #29
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Quote:
Originally Posted by horsepower View Post
2) possibly replace the throttle sensor, possibly The oxygen sensor.
Cross fingers
3) replace the missing washer with the 3 holes and/ or remove the PC5
4)Scout for an impossible to find stock pipe
Cross toes
Don't randomly replace parts without testing them first to verity with numbers that they are indeed bad. Otherwise, you're replacing perfectly good parts with brand-new perfectly good parts and nothing will change. I've seen people replace injectors, fuel-pumps, fuel-hoses, fuel-rails, FPRs, O2-sensors, TPS, MAP/MAF sensors, when the only thing they needed to do was adjust TPS with multimeter.

As mentioned, remove PC and restore back to 100% stock condition. Bike ran perfeclty fine when it left showroom floor and it's the mods that broke it. Common issues with PC:
https://www.hdforums.com/forum/touri...-problems.html
https://www.supermotojunkie.com/thre...v-help.145793/
https://www.wristtwisters.com/forums...9-a-17192.html

Restore EVERYTHING back to stock, and repair ALL hacked up wiring with proper linesman knot/splice with soldering and heatshrink wrap. Bike will run awesomely after restoring back to stock. I've done at least 20 repair restorations by removing PC and it was 1000% better afterwards. Including my own CBR600RR which came with PC when I bought it. It had an off-idle stumble and mid-range laziness that I thought was due to Yosh titanium exhaust. Tried every single map from Dynojet site, nothing worked. Finally I removed the PC and repaired all cut and crimped wires to restore back to stock and it ran like SCALDED CAT!!! Wow!!


youtu.be/O-ymw7d_nYo

If you must adjust mapping to account for mods (slip-ons don't need tuning, full-exhaust would). Then it's best to re-program ECU itself. So, so much better than PC. Lots of software that can do it: FlashTune, TuneECU, Woolich, etc.

Last edited by DannoXYZ; 06-23-2020 at 12:48 PM..
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Old 06-23-2020, 11:39 AM   #30
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