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XB9R cold start issues

Buellxb Forum

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Vicious xb9r

Member
Joined
Jun 1, 2011
Messages
21
Location
Seattle
Ok this should be an easy one. I crashed my bike earlier in the year and had to fix the wiring harness and replace the ecm with a blank one. I loaded my old maps on the new ecm and the bike wouldnt start. So i tried other maps and still wouldnt start. I started going over everything and in the Other Maps tab in noticed all the cold start setting were at zero. I looked online, found a guy doing a ecm spy demo video on his X1 and copied his cold start settings. Im just looking to get the stock cold start settings on my Xb9r. Ill post pictures of all my ecm spy data in case someone wants to look that over. Thanks for the help.
 

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Last edited:
Have you checked the maps on www.buellmods.com?
And what do you mean by a blank ECM? There were no maps on it or it was just plain stock?
Did you try starting with the "blank" ECM?
I wouldn't recommend using maps/fueling that's for and X1. I'm no ECM guru but an xb9 and an X1 are totally different machines.
Can you describe the symptoms your bike is exhibiting so those of us trying to help have some more info to go off. Others might be able to decipher fuel maps, unfortunately I can't. Hopefully someone a little more tech savvy then myself will chime in.
I would try going back to the ECM that you know worked.
Your issue could be as easy as resetting your TPS. While you're doing that check that you're actually getting a TPS signal. Only time I've ever had a no start symptom with my bike was when the TPS died.
Good luck
 
Just to get this out the way I'm a decent mechanic and know how to do a tps reset. I crashed my bike earlier in the year. The original ecm was destroyed. So I can't go back to that one. Bought a new blank ecm. Blank as in no maps. I have downloaded my original and other stock maps for a 07 xb9r. The bikes wouldn't start except when you constantly kept throttling, relaxing and throttling again until you quit doing that process. The bike would not stay running any other way. So I checked everything. Checked injector flow, pressure, spark, wires, and everything else that could cause the issue. Looked through the ecmspy data and noticed the cold start (in the other maps tab) settings were at zero (left side of pictures 1 and 2)So I looked for days for info and have yet to find any exact info for the values of the cold start. Found a guy doing a ecmspy demo on his x1 and copied his cold start settings and only those settings. Started the bike and now it runs normal don't have to do anything to keep it running. So in looking for the cold start setting on a 07 Xb9r.
 
Sorry, can't help you with the exact settings. Try Buelltooth.com for free maps.

If it "runs normal" now, why keep messing with it?

And I didn't know you could buy a 'blank' ecm. That's weird, when stock ones are so cheap.
 
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