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Buell Forum » 1125R Superbike Board » Archives 001 » Archive through November 17, 2009 » Deceleration shut down « Previous Next »

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Tbowdre
Posted on Saturday, November 14, 2009 - 10:33 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I have had this happen at least 3 times and just attributed to new bike, tight engine, high compression, whatever stuff. I noticed a few people have had stator issues that caused this problem

does this throw a code when it happens due to stator? anyway to check this issue out before leaving my bike at a dealer? I usually do my own service.... next mod is a service manual

thanks todd
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Tbowdre
Posted on Saturday, November 14, 2009 - 10:35 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

oh I should mention this has only happened putting in town, not in the twisties. 1000 miles so far
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Iamarchangel
Posted on Saturday, November 14, 2009 - 11:36 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

So, what happened again?

Details are good.
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Tbowdre
Posted on Saturday, November 14, 2009 - 12:56 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

when decelerating the bike has stalled, shut down whatever and I noticed a few people here have had their stators replaced because of this symptom.

My bike has done this a few times when putting around town in the past 1000 miles.

just curious if the people that had bad stators got a check engine code or what diagnostics were performed to determine bad stator
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Xnoahx
Posted on Saturday, November 14, 2009 - 01:59 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Ive had this happen on my 09 R. Did it 2 times on decel with clutch pulled in. I noticed how smooth and quiet the bike was and realized it has stalled. Just thumbed the starter while rolling with the clutch still in and she started right off and away I went. Both were in the first 400 miles
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1_mike
Posted on Saturday, November 14, 2009 - 04:08 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Engine ding on throttle closing is from not enough fuel on the deceleration area's of the fuel maps

Mike




(Message edited by 1_mike on November 14, 2009)
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Eweaver
Posted on Saturday, November 14, 2009 - 04:37 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I had the stator issue. It does NOT throw a code. Harley has a service bulletin about this from March 2009. Take it in and make 'em fix it.
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Tbowdre
Posted on Saturday, November 14, 2009 - 05:27 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Eweaver- what clued in to this being a problem? I really would have thought nothing of this except I have been reading badweb posts way to fu@king much!
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Nivek
Posted on Saturday, November 14, 2009 - 06:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

is this issue a stator issue??

I have this happen to me almost all the time, i have gotten use to it though and it helps me decelerate faster when slowing down without using the brakes.

when i notice it you can hear the engine not firing, i crack the throttle a slight quick twist and it fires the engine back up.

I am use to it when coming to a stop that i just hit the starter again and continue (while rolling i hit the starter button). DONT just drop the clutch, i have found that compression is high or something so my rear tire will lock and slide.

-Nivek
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Froggy
Posted on Saturday, November 14, 2009 - 06:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Are we sure this is stator related? It sounds like a ECM programming issue like incorrect fueling or spark.
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Froggy
Posted on Saturday, November 14, 2009 - 06:21 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Nivek, when was your bike built? Also, what flash are you running?
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Eweaver
Posted on Saturday, November 14, 2009 - 06:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Tbowdre,

My mechanic at the HD dealership knew what it was straight away. He showed me the bad one that came out of my bike. From what I understand, running it with a bad stator for too long can cause the crank position sensor to go out as well.

Froggy,

I suppose IT IS incorrect fueling and spark since the ECU doesn't know where it is in relationship to the engine cycle.


I am sure that other things can cause this, but it is a known issue.

(Message edited by eweaver on November 14, 2009)
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Cafefun
Posted on Saturday, November 14, 2009 - 07:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Mine did it once when I had 45 miles on the bike has never done it again
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1_mike
Posted on Saturday, November 14, 2009 - 07:07 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Eweaver -

Finally....someone see's the light.

MANY, including my CR have had this malady.

It does NOT die any longer now that I have added fuel and spark to the factory maps.

Mike
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Tbowdre
Posted on Saturday, November 14, 2009 - 07:09 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

interesting... thanks eweaver. I just got flashed yesterday and no stall on a short 50mi blast today.... Guess i will just watch and see what happens in the next few hundred

todd
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