*&$%# STALLING!!!! - MVAgusta.net
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post #1 of 28 (permalink) Old 11-26-2006, 09:59 PM Thread Starter
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*&$%# STALLING!!!!

After 1500 miles my 910 has developed a pretty serious stalling issue. The funnyt thing is that it never stalled once till about two weeks ago. Since it started it seems to be getting worst. It started with 4 times within one week, now it seems to stall at least once on every ride. I have read all the previous threads on the subject and it seems to be very common. I just put on a midpipe in the remote chance it would help but it didn't. It idles perfectly, power is smooth and doesn't fell down on power. It dies when the clutch is pulled in comming to a stop at about 1000-2000 rpm. I'm going to look at the TPS this upcomming weekend, I don't have a gastester yet to test the CO%. But any thoughts on the situation would be greatly appreciated. What do you guys think?

Bike History:
'88 Ninja 250 > '92 GSXR-600 > '01 YZF-R1 > '06 Brutale + '07 Customized VTX-1300
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post #2 of 28 (permalink) Old 11-26-2006, 10:21 PM
CO% adjustment, every bike has an achilles heal or two, this is just part of ownership..Welcome to the club, by the way .........Enjoy!



hedges,

FBD
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post #3 of 28 (permalink) Old 11-26-2006, 10:27 PM
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Quote:
Originally Posted by dumbcomputers
After 1500 miles my 910 has developed a pretty serious stalling issue. The funnyt thing is that it never stalled once till about two weeks ago. Since it started it seems to be getting worst. It started with 4 times within one week, now it seems to stall at least once on every ride. I have read all the previous threads on the subject and it seems to be very common. I just put on a midpipe in the remote chance it would help but it didn't. It idles perfectly, power is smooth and doesn't fell down on power. It dies when the clutch is pulled in comming to a stop at about 1000-2000 rpm. I'm going to look at the TPS this upcomming weekend, I don't have a gastester yet to test the CO%. But any thoughts on the situation would be greatly appreciated. What do you guys think?
Try John "Airfuel"

Airfuel

He does dyno work and also has a 910 R. Pretty good guy as well

Might want to try a Private Message to him.

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post #4 of 28 (permalink) Old 11-26-2006, 10:45 PM Thread Starter
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I would die if Airfuel was in driving distance to me (*San Diego) but sadly he is not

Bike History:
'88 Ninja 250 > '92 GSXR-600 > '01 YZF-R1 > '06 Brutale + '07 Customized VTX-1300
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post #5 of 28 (permalink) Old 11-27-2006, 11:07 AM
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FAQ tuning 1, 2 and Spark Plug fitments. Custom mapped PCIII once it's properly set up for full range optimization.

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post #6 of 28 (permalink) Old 11-27-2006, 11:13 AM Thread Starter
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James do you think that the CR9EIX plugs are any better than the stock CR9EB on the Burtale? The FAQ reports both at helping the stalling issue.

I've been reading the FAQ and one thing that caught my eye was the large range of adjustment to the air bleed screws on the Brutale 910. On the other bikes the spec is only 1/4-1/2 a turn difference between the low and high ranges on the Burtale it's 2 and a half full turns!!! Why the large difference between the 750 Burtale and 910 Burtale???

The factory specifies the following air bleed/bypass screw ranges as ideals:

F4 Oro: 1/2 turn to 1 turn air bypass opening. Idle 1250 +/- 50 RPM. CO 4 +/- .5%
F4 750 2000/01: 1/2 turn to 1 turn air bypass opening. Idle 1250 +/- 50 RPM. CO 4 +/- .5%
F4 750 Senna/2002/2003/2004/SPR/SR: 1 1/4 to 1 1/2 air bypass opening. Idle 1150 +/- 50 RPM. CO 3.5 +/- .5%
Brutale 750 2003/2004/2005: 1 1/4 to 1 1/2 air bypass opening. Idle 1150 +/- 50 RPM. CO 3.5 +/- .5%
Brutale 910: 1 to 3.5 turns air bypass opening. Idle 1200 +/- 50RPM. CO 3.5 +/- .5%

Bike History:
'88 Ninja 250 > '92 GSXR-600 > '01 YZF-R1 > '06 Brutale + '07 Customized VTX-1300
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post #7 of 28 (permalink) Old 11-27-2006, 11:17 AM
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Hi,

There is considerably more flexibility with regard to the air bypass screws than represented there. I wanted to represent the factory manual's specification but there have been updates. We are up to REV4 on some manuals. I use the no cat/non-stock exhaust specification on all bikes which is .5 to 3.5 turns to good effect but stay as low as possible while juggling the CO% and more importantly on that part of the process; balance of each cylinder relative to the others (#2 cyl base on the 1000's due to EBS).

JamesC

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post #8 of 28 (permalink) Old 11-27-2006, 11:26 AM Thread Starter
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Quote:
Originally Posted by JamesC
Hi,

There is considerably more flexibility with regard to the air bypass screws than represented there. I wanted to represent the factory manual's specification but there have been updates. We are up to REV4 on some manuals. I use the no cat/non-stock exhaust specification on all bikes which is .5 to 3.5 turns to good effect but stay as low as possible while juggling the CO% and more importantly on that part of the process; balance of each cylinder relative to the others (#2 cyl base on the 1000's due to EBS).
Thank you for this explanation.

James what tool do you use to balace your trottle boddies? Carbtune?

Bike History:
'88 Ninja 250 > '92 GSXR-600 > '01 YZF-R1 > '06 Brutale + '07 Customized VTX-1300
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post #9 of 28 (permalink) Old 11-27-2006, 11:38 AM
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Yep, http://www.carbtune.com/

Took 5-6 days to arrive as I remember. A very simple process but enjoyable results I assure you!

JamesC

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post #10 of 28 (permalink) Old 11-27-2006, 03:21 PM
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Mine was getting to the point where it'd stall on every ride as well....then one day, it just didn't do it anymore. It's been near 4K miles since the last time mine did it....

Nate
Brutale S
Previously CLE #333 (hee hee, it rhymes!)
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Quote:
Originally Posted by altoon
and the HUGE lower triple clamp. that thing is braced like king-kong at at a bondage party.
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