can anybody enlighten me . my fire bolt that i am putting together from a box of bits has an ECM with 1 grey multi connector and 1 black multi connector , no problem there then like to like . but between them is a single spade terminal and i don't appear to have a corresponding spade connector . some ecm i have seem have it some don't , can anybody shed some light on this for me . or am i missing something . best regards findlay

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i would rather push a Buell than ride a Harley or so i thought

xb12 xb 9
xb 9r sporster 1200c

Exhaust valve motor is connected there. 2002 and 2003 models had an ECM with no connector between the sockets, as XB9 do not have the exhaust valve motor installed.

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"It is often said that before you die your life passes before your eyes. It is in fact true. It's called living."
Terry Pratchett

I think the spade connector is on both 9 and 12 harnesses from 2004 onwards but the 3 pin Deutsch connector under the seat, which connects to the motor, has a rubber bung fitted on the 9.

I am guessing your ECM and harness are not the correct match, the injectors changed in 2004 (they became directional and squirted down the port rather than on the manifold wall) and the CB060 (early) and GB231/IB310 (later) have different maps to match. Either will work, the AFV will compensate.

What year is your bike?

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08 Specialized Langster

the xb9r i have is a 2002 modle on a 2003 plate

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i would rather push a Buell than ride a Harley or so i thought

xb12 xb 9
xb 9r sporster 1200c

Is there anything written in the ECM? BUEGB231 or BUEIB310?

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08 Specialized Langster

2002 model ECM: http://i.ebayimg.com/t/Buell-XB12-Stand ... g~~_12.JPG
2004 model ECM: http://www.motorrad-technik-maass.de/mt ... p=1224_060

couldn't find a 2003 model ECM, looks like a 2002 one, but bottom label ends with "CB060" instead of "CB050".

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"It is often said that before you die your life passes before your eyes. It is in fact true. It's called living."
Terry Pratchett

2003 ECM


2005/2006/2007 ECM (two different sets of calibration)

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08 Specialized Langster

the ECM has two bar codes on it with the following numbers on a green background No326 IRA 04081 BX1EC21 GB 231 and 496 on the black socket does this help

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i would rather push a Buell than ride a Harley or so i thought

xb12 xb 9
xb 9r sporster 1200c

Yeah, tis a 2004 ECM

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08 Specialized Langster

so it should work i think

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i would rather push a Buell than ride a Harley or so i thought

xb12 xb 9
xb 9r sporster 1200c

Yes but the AFV will look funny cos it is meant to run with different injectors.

Ideally you want a 2002 ECM...

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08 Specialized Langster

not totaly on top of this what does AFV stand for . so should i source a 2002 ECM

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i would rather push a Buell than ride a Harley or so i thought

xb12 xb 9
xb 9r sporster 1200c

these pictures are from moogymus668310 firebolt

Was the ECM fitted to the bike ever? It is not the correct ECM for the year of engine (it could actually be one from a 12).

It will have maps in with a shorter injector duration to work with higher flow injectors.

You will probably need to do a TPS reset anyway, whilst you are at it you could load some new maps which I can send you, to work better with your injectors.

But yes it will work, assuming it came off a 9...

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08 Specialized Langster