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May 14th, 2008, 7:19 pm
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#1 (permalink)
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thoroughly addicted
Join Date: Oct 2007
Location: Boulder, CO, USA
Posts: 612
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Flapper valve and check engine light
I'd like to try running with the flapper valve disabled to see what improvement that would make with no other changes. The easy way to do it would be to unplug the server wiring and rotate the servo pulley to the open position. That would of course trip the check engine light.
To turn the light back off, would the dealer have to reset it or will it reset itself when I plug the connector back in? Just wondering. I just wanted to do a quick easy experiment...
Debby
__________________
In the garage:
07 GT1000, gray
Previously in the garage:
65 250 Scrambler
02 998 Mono
07 Hyper S
97 900 SS/CR
67 250 Scrambler
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May 14th, 2008, 10:56 pm
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#2 (permalink)
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Junior Member
Join Date: Sep 2007
Posts: 29
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I did just what you are thinking. It made a BIG difference in more power. I took the bike back to the dealer and they ran the bike on the dyno with and without the flapper connected. The difference was 9 rear wheel horse power. This all started after they installed the dual termi's 8 months ago. A new ecu is on the way.
Bob
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May 14th, 2008, 11:02 pm
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#3 (permalink)
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Banned
Join Date: Sep 2007
Location: RANCHO MIRAGE, CALIF., USA
Posts: 949
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Flapper
I removed the valve and the cable , but let the wires to the servo motor attached , no light this way...
The race exhaust ecu and the one with the cams does away with this system , so does the mid race pipe system for the dual termi's
Gee-Bee
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May 15th, 2008, 6:56 am
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#4 (permalink)
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Member
Join Date: May 2007
Posts: 77
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Quote:
Originally Posted by GEE-BEE
I removed the valve and the cable , but let the wires to the servo motor attached , no light this way...
Gee-Bee
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Is there a post where I can see that with pictures?
I donīt really know what parts are the servor, the flapper or the valve
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May 15th, 2008, 8:31 am
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#5 (permalink)
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Banned
Join Date: Sep 2007
Location: RANCHO MIRAGE, CALIF., USA
Posts: 949
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?
Servo is the electric ,motor that controls the cables
Flapper is the valve , there is a bearing on one end
I took a hack saw and cut the bearing clean at the pipe , unsrewed the flapper on the shaft , removed
Took the pipe to a muffler shop and had it patched ( two hole's ) and then sent it out with the LV Cat pipe for ceramic coating...
Need more help your welcome to call..
Gee-Bee
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May 16th, 2008, 9:01 am
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#6 (permalink)
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thoroughly addicted
Join Date: Oct 2007
Location: Boulder, CO, USA
Posts: 612
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That's all good, but it doesn't answer my question:
If I unplug the servo, go for a test ride, then shut off and plug the servo back in, will the check engine light still be on the next time I start the engine? Or will it reset? With the standard ECU.
Debby
__________________
In the garage:
07 GT1000, gray
Previously in the garage:
65 250 Scrambler
02 998 Mono
07 Hyper S
97 900 SS/CR
67 250 Scrambler
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May 16th, 2008, 9:27 am
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#7 (permalink)
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Banned
Join Date: Sep 2007
Location: RANCHO MIRAGE, CALIF., USA
Posts: 949
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Cel
It will probly turn back on , Mine did that's why I left it attached
The Ecu looks for that connection ...
Options:
DP Mid Pipe, includes Ecu
Dp Cam Kit with Dp Full Race Exhaust
DP Race Exhaust System
DP Race Exhaust Ecu
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