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Old 11-20-2012, 03:34 AM   #3168
roger 04 rt
Beastly Adventurer
 
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Joined: Nov 2011
Location: Massachusetts
Oddometer: 2,066
Quote:
Originally Posted by The Evil Twin View Post
Yep, the whole exhaust is stock so one in each header. The only possibility is that the sniffer was not far enough in the pipe. It would only go in about 4" or so. That shouldn't matter any.
Looking at it on a larger screen than my tablet, though, it is actually closer to the 13.7- 14.1 range for cruising. Unfortunately, I don't know what gear was what.
So I hear you saying that this test wasn't with the throttle fully open but at a cruise setting.

It sounds like your tech was doing things right, but I can tell you for sure that unless you have your O2 sensors disconnected, once your throttle has stabilized and the engine is warm, your motorcycle will go closed loop and there the numbers will fluctuate around 14.7:1 plus or minues 0.2/0.3 AFR. If that didn't happen, either the engine wasn't warm enough or something else was wrong about the setup.

Do you have any aftermarket electronics on the bike?
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