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Buell Forum » XBoard » Buell XBoard Archives » Archive through May 22, 2004 » Interactive muffler actuator removal circuit « Previous Next »

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Fullpower
Posted on Friday, May 14, 2004 - 06:18 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Here's the setup: XB12S with Drummer, stock ECM.
I had to leave the interactive muffler actuator motor on board and connected, because removing it caused the stock ECM to smell trouble, and illuminate the MIL (check engine lamp). thanks to OPTO- engineering, i can now remove the useless servo motor device from under the airbox cover. Opto designed A simple circuit using 2 resistors and a diode, very compact, passive, and keeps the ECM happy. brief description is take apart 3 pin connector to left of battery. Tan/violet wire 900 ohm resistor to ground. orange wire to anode of diode, cathode of same to 1000 ohm resistor, and resistor to white wire. i used a 3 pin weatherpack connector salvaged from a sportster speedo cable (wire). so now my xb is a pound lighter. thanks opto it works great. dean
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Jasonxb12s
Posted on Friday, May 14, 2004 - 10:23 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I'm assuming that this is a fix for running the Stock ECM only? I have the race ECM and the actuator motor is gone,,no engine light yet.
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Bads1
Posted on Friday, May 14, 2004 - 10:46 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Jason you won't have to worry about the light coming on.Fullpower....Why go through the headache to lose a pound.I can lose that pound on the toilet.So the motor is there and its still running but it doesn't have to do anything and its not like its visable to the eye for everyone to see??
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Torqer
Posted on Saturday, May 15, 2004 - 09:01 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

bads1/jasonxb12s/fullpower

Is there and advantage to one or the other ecm? aside from their relationship to the actuator
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Jasonxb12s
Posted on Saturday, May 15, 2004 - 04:56 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Hey Torqer..

I really don't have a reference point of comparison since I switched to the race ECM when I changed to the Drummer. Nevertheless, I am very pleased with the overall performance of the bike. I did encounter a fouled front plug soon after installation but everything is hunky-dorey now with approx 1300 miles on the bike with the set up.
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Opto
Posted on Saturday, May 15, 2004 - 05:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Torquer, have a look at this thread...
http://www.badweatherbikers.com/buell/messages/32777/56015.html?1084594170
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