Does cannisterectomy lead to throttle hesitation - BMW Luxury Touring Community
 
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post #1 of 10 Old Jul 21st, 2006, 1:46 pm Thread Starter
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Does cannisterectomy lead to throttle hesitation

Just performed removal of cannister; the bike now seems to have a hesitation off the line and sometimes when rolling on in an gear.
Would this be the result of the cannister removel? or is it realted to heat or something else?
At least the gas float problem was fixed.
Any help always appreciated
Thanks
Joel
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post #2 of 10 Old Jul 21st, 2006, 2:34 pm
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Quote:
Originally Posted by starky
Just performed removal of cannister; the bike now seems to have a hesitation off the line and sometimes when rolling on in an gear.
Would this be the result of the cannister removel? or is it realted to heat or something else?
At least the gas float problem was fixed.
Any help always appreciated
Thanks
Joel
Howdy Joel,

Have you also "cut the brown wire"?

The low speed hesitation, especially disconcerting when cornering slowly, the "brown wire" is the most likely culprit and not the canisterectomy.

As part of the canisterectomy, if you did not completely plug the return line, I'm not sure what your symptoms would be like.

.

Bill "Omaha"

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post #3 of 10 Old Jul 21st, 2006, 3:53 pm Thread Starter
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Brown Wire

THanks Billy Omaha:

I saaw the yellow cat code but didn't do anything with it. I'll go back in and remove it and see what happens.
Also, I pluged the smaller hose that was connected to the cannister and runs up the left side of the bike by twisting in a machine screw as far as it would go and then wrapping some electircal tape around the seal area.
Do you think that should be enough?
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post #4 of 10 Old Jul 21st, 2006, 6:20 pm
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Quote:
Originally Posted by starky
THanks Billy Omaha:

I saaw the yellow cat code but didn't do anything with it. I'll go back in and remove it and see what happens.
Also, I pluged the smaller hose that was connected to the cannister and runs up the left side of the bike by twisting in a machine screw as far as it would go and then wrapping some electircal tape around the seal area.
Do you think that should be enough?
DO NOT remove the cat code plug if your Motronic is not the updated one. The updated ones were not introduced until 7/00 manufacture date, early 2001 model year bikes.

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post #5 of 10 Old Jul 21st, 2006, 6:24 pm
 
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To answer the initial question...
No. Cannister removal does not create or introduce hesitation.
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post #6 of 10 Old Jul 21st, 2006, 7:59 pm Thread Starter
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maybe I'm being oversensitive

Just came back from a ride and the hesitation seemed to be non-existent or so small that it didn't matter.
Maybe because the mis day heat was gone, only between 79 - 81 degrees.
I'd still like to know about the motronic mapping version so I guess I'll take it to the dealer and see what readings he gets.
THanks
JS
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post #7 of 10 Old Jul 21st, 2006, 8:24 pm
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David,
I have a 2000 and I bought it used. There is nothing hooked up to my yellow plug. Should there be? And what is it not doing for me missing?

Brian Ley
WA State of mindless sheep
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post #8 of 10 Old Jul 21st, 2006, 8:33 pm
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Question

Your question ? NO
Before severing the brown wire, When you sense the hesitation WICK the throttle on this my alleviate the condition. If not get the Rhine west chip this will help reduce the hesitation and markedly improve performance.

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post #9 of 10 Old Jul 21st, 2006, 11:29 pm
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Quote:
Originally Posted by sanjaun2
David,
I have a 2000 and I bought it used. There is nothing hooked up to my yellow plug. Should there be? And what is it not doing for me missing?
Is it the yellow plug under the top box on the rear right that looks like a relay? There should be two wires going to the socket that the plug is in.

It should not be unplugged on a 2000 bike unless the Motronic was updated. Many were. Your dealer has to hook the bike up to the Moditec to check the model number on it.

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EX: '01 Black LT, BAT BYKE (Totaled at 110,000 miles)
IBA SS, BB, BBG, 10/10ths.
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post #10 of 10 Old Jul 22nd, 2006, 12:53 am
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Thanks David, I'll check with the dealer.

Brian Ley
WA State of mindless sheep
USA where everything is illegal
2007 K1200GT
2010 650GS
2000 k1200LT Sold but not forgotten
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