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Old 05-01-2006, 10:24 PM   #1
waltert OP
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Location: Torrance, CA
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Starting Noise

When starting the bike cold, if it doesn't start completely on the first
or second attempt, I hear a tremendous metal to metal KlanK noise as
the engine comes to a stop. WTF is that?

For instance let's say it's 55 degrees outside and I don't give it enough
choke, if the start doesn't get the engine running I hear this as the engine
comes to a stop.

Anyone else experience this?

It runs perfectly after starting. Prolly nothing to be alarmed about but
I've never heard a bike do this before. This is a new '06 with 300 miles.
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Old 05-01-2006, 11:06 PM   #2
Huber Tuber
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It has little to do with the temp outside, you have a bad starter. Very-very common with the 950. Only real way to fix is have it replaced. I had the exact same thing.

Best!
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Old 05-01-2006, 11:10 PM   #3
waltert OP
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I would assume that this is covered by warrantee...

Would it be safe to wait until my 600 mile "tuneup"?

Thanks for the info.
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Old 05-02-2006, 12:18 AM   #4
Huber Tuber
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As far as I understand that it's not an emergency but when you can the sooner the better. My dealer sold me a demo bike that they knew had a bad starter so I took it to another/better dealer to fix the issue. Yes you will be covered if the bike is new. KTM should just do a sweep and have all bikes checked. Other than some stalling and the starter thing the bike is pretty robust. Don't lose any sleep over it as it's not a huge deal.
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Old 05-02-2006, 03:28 AM   #5
Speedzter
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Not totally sure about the '06 model as they have the torque limiting gears, but on my '03 , I get the noise you describe ocasionally when the bike fails to start, or if it stalls. I believe it is the one way starter clutch engaging when the engine kicks back on compression, which causes a very loud metalic bang, as the gear reduction on the starter is working in reverse.
This issue caused my flywheel to come loose on the crank taper when I had an electrcal problem that was killing the engine. The '03's do not have a keyway on the crank/flywheel , but '04's and later do .
Anyone else have this noise happen ?

I think the issue Huber Tuber has mentioned is a fault with the torque limiting starter gear on '05 and later, but this caused problems only when cranking i believe ?
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Old 05-02-2006, 07:50 AM   #6
tripodtiger
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Question

I've had this noise happen too. Nearly shit myself the first time . My bike's only 5000k old. The bike starts fine, no noise or spinning starter clutch (who else's got an XS11?). But if it stalls...it sounds like a gun.

To prevent it, I've just been giving it a bit more choke and watching the idle speed for a few extra seconds.

Is it a problem or just a product of the design / compression etc?

cheers
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Old 05-16-2006, 03:54 AM   #7
LC8rider
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Pissed Noisey starter

Mine has been doing this since the last service, but as the winter had set in I've not used the bike properly until March this year. The bike had always been a great starter up until the service. I've noticed the noise getting louder and the bike harder to start until recently when it gave up completely. Turns out it was the starter clutch unit. My dealer said KTM have never heard of this before, just like they've never heard of cooling problems and popped head gaskets before. Funny how that happened after a service as well! KTM dealers............
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Old 05-18-2006, 02:13 PM   #8
Doog
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Yup - my 04 does it, as does my buddy's. Exactly as you described - it's when it stalls after it stumbles a bit on a cold start. I believe it's just the design of the internal gears and/or just the compression suddenly blowing the cranks backwards.
Sounds like crap (and even blew some oil out past one of my oil hose clamps...WTF?), but seems to be "normal" for this engine.
Rule of thumb: always make sure your battery is strong (these bikes won't run with low battery) and I use a bunch of choke, even on warm days.
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Old 05-19-2006, 01:17 AM   #9
MadAl
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My new 990 adv started doing it after 1500km. My dealer replace the torque limiting gear on the starter and it's been quiet since then. They say that the spring between the two gears is sometimes a little weak.
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Old 05-19-2006, 03:49 AM   #10
LC8rider
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Quote:
Originally Posted by Doog
Yup - my 04 does it, as does my buddy's. Exactly as you described - it's when it stalls after it stumbles a bit on a cold start. I believe it's just the design of the internal gears and/or just the compression suddenly blowing the cranks backwards.
Sounds like crap (and even blew some oil out past one of my oil hose clamps...WTF?), but seems to be "normal" for this engine.
I'd have expected a dealer to say it's normal, but as a customer I'd say it's a design fault and KTM have had 3 years to re-hash the design. It's used on all the 950/990 engines. The parts used to fix mine are from a 990 Duke in the shop. The bike starts first crack and is quiet as you like now. I'd get yours sorted if I were you. Have you tried to bump start a 950?
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Old 05-19-2006, 07:46 AM   #11
motoman250f
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seems like mine does it if its got a weak battery or if I don't hold the starter button hard enough. Like the starter motor isnt enguaged hard enough and is coming in and out. that will play havoc on gears.
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Old 05-20-2006, 10:41 PM   #12
posole vato
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\
Anyone else experience this?

It runs perfectly after starting. Prolly nothing to be alarmed about but
I've never heard a bike do this before. This is a new '06 with 300 miles.[/QUOTE]

Walter..... i have the same problem....with the metal to metal clanking sound.....my 950 and it has less than 600 miles on it
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Old 05-20-2006, 10:43 PM   #13
waltert OP
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Quote:
Originally Posted by posole vato
\
Anyone else experience this?

It runs perfectly after starting. Prolly nothing to be alarmed about but
I've never heard a bike do this before. This is a new '06 with 300 miles.
Walter..... i have the same problem....with the metal to metal clanking sound.....my 950 and it has less than 600 miles on it[/quote]

I'm riding tomorrow and I'll take her in afterwards next week. I've been
told it has something to do with the starter mechanism. I'll let you
know what they find. I did notice that if I don't use the choke, it doesn't
seem to be as bad. Weird...
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Old 05-20-2006, 11:12 PM   #14
Chadd
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I doubt it is the starter itself.. proably just the sprang clutch thing.

Check this thread

http://www.advrider.com/forums/showt...=starter+noise
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Old 05-21-2006, 08:08 AM   #15
Pete156
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Quote:
Originally Posted by LC8rider
I'd have expected a dealer to say it's normal, but as a customer I'd say it's a design fault and KTM have had 3 years to re-hash the design. It's used on all the 950/990 engines. The parts used to fix mine are from a 990 Duke in the shop. The bike starts first crack and is quiet as you like now. I'd get yours sorted if I were you. Have you tried to bump start a 950?
Yes i've attempted to bump start my 950. WOW, what a racket! I don't think I'll try that again.
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