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#850512 - 09/04/13 03:14 PM Engine won't return to idle  
Joined: Jan 2003
Posts: 293
BeemerBerg Offline
Member
BeemerBerg  Offline
Member

Joined: Jan 2003
Posts: 293
Kanab, Utah
Been adding some farkles to my new-to-me 2010 RT. On a ride yesterday, I noticed that the engine won't return to it's normal idle (~1100 rpm) when letting off the throttle while riding. Engine speed drops to about 2000-2500, and will go down to normal idle if I force the throttle grip hard forward. The twist grip itself seems normal. I had the battery disconnected for awhile--could that be my problem?


--Ken Götzen-Berg

1999 R1100 RT ("Wolfgang") [sold @ 130,000 miles]
2005 R1200RT ("Red Baron") [still going strong @ 115,000 miles]
2010 R1200RT ("Zigfried")
#850527 - 09/04/13 03:58 PM Re: Engine won't return to idle [Re: BeemerBerg]  
Joined: Jun 2007
Posts: 39
Clievma Offline
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Clievma  Offline
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Joined: Jun 2007
Posts: 39
Cheshire, UK
Hi,
Sounds like you MIT have disturbed one of the throttle cables coming out of the Bowden box. It's on the left hand side under the plastic roughly where your knee goes when sat on the bike. Just check all cables are seated properly as they are easy to disturb when running wires.

Mike

#850682 - 09/05/13 10:13 AM Re: Engine won't return to idle [Re: Clievma]  
Joined: Mar 2006
Posts: 422
s3steve Offline
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s3steve  Offline
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Joined: Mar 2006
Posts: 422
Uxbridge, Ontario
I had the same thing happen to me when I hooked up my GPS.
One of the throttle cables was not seated correctly so the cable so
the revs climbed on start up.

As Mike says check the cables at the Bowden box.


'13 BMW R 1200 RT 90th. Anniversary Edition
'06 BMW R1200RT RIP
'75 Kawasaki S3 400 (Triple)
'73 Kawasaki Z1
#850743 - 09/05/13 03:49 PM Re: Engine won't return to idle [Re: BeemerBerg]  
Joined: Jan 2003
Posts: 293
BeemerBerg Offline
Member
BeemerBerg  Offline
Member

Joined: Jan 2003
Posts: 293
Kanab, Utah
Got it figgered out. After farkling the bike, when I replaced the gas tank the throttle cable got routed incorrectly, causing an unnecessary bend in the cable and additional friction. The planets are in proper alignment and the world is spinning in the right direction. Thanks for the suggestions!!


--Ken Götzen-Berg

1999 R1100 RT ("Wolfgang") [sold @ 130,000 miles]
2005 R1200RT ("Red Baron") [still going strong @ 115,000 miles]
2010 R1200RT ("Zigfried")

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