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Old 02-26-2015, 06:29 PM   #1
jeffjbmw OP
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Slow Idle Speed R1150RS

Have a 2004 R1150RS and when you start it, in any weather, it idles extremely low. Pulling on the "choke" lever to the max (where it will spring back) helps some.

I have synched the throttle bodies with a Twin-Max (or whatever it is called) and only after some warm up does it finally stay running. Once warm it runs and idles fine.

Any suggestions?

(I am going to be having a sidecar fitted in March and will be riding the 1500 miles to DMC....)
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Old 02-26-2015, 07:13 PM   #2
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Quote:
Originally Posted by jeffjbmw View Post
Have a 2004 R1150RS and when you start it, in any weather, it idles extremely low. Pulling on the "choke" lever to the max (where it will spring back) helps some.

I have synched the throttle bodies with a Twin-Max (or whatever it is called) and only after some warm up does it finally stay running. Once warm it runs and idles fine.

Any suggestions?

(I am going to be having a sidecar fitted in March and will be riding the 1500 miles to DMC....)
Install A cat and O2 Sensor. LMAO
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Old 02-26-2015, 08:02 PM   #3
Gruesome
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Right side throttle cable not fully seated?
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Old 02-26-2015, 09:22 PM   #4
Techref
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2004 model, I believe its a twin spark.

Does the engine die or couldn't fully ignite from a cold start?
That you have to pull the choke to keep it steady until the engine is warm enough to main idle on its own?

Sounds like you have a coil failure. Try this:
https://www.youtube.com/watch?v=hMJWr_BdNO8

Have a look at a thread I started, probably it is the same issue
http://advrider.com/forums/showthread.php?t=1039274
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Old 02-26-2015, 10:40 PM   #5
JimVonBaden
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What is your warm idle?
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Old 02-27-2015, 03:40 AM   #6
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Originally Posted by jeffjbmw View Post
Once warm it runs and idles fine.

Any suggestions?
Keep the fast idle lever on until it warms up, as you're meant to.
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Old 02-27-2015, 07:06 AM   #7
Jim Moore
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If this problem has developed over time it is likely your lower throttle cables have stretched. At this point you fast idle elver is simply taking up the slack, instead of opening the butterflies. Tighten your lower cables until the butterfly is just barely resting on the stop screw on each side. Then balance again.
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Old 02-27-2015, 03:07 PM   #8
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When you do your throttle sync do you clean your idle air bleed screws?
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Old 02-27-2015, 07:09 PM   #9
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Ex US Navy here. All brass must be polished from time to time. The US Marines know brass too.

I polish mine annually.
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