temporary lean after warm shutdown

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Dec 29, 2010
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Okanagan, B.C.
Problem I am having with my MCX Phazer:
I get a very lean condition (17+ afr) for about one minute after a warm restart, even if it is only shutdown for a second. Only occurs under light throttle. Idle and heavy throttle afr's are normal during this period.
Sled has a noticeably twitchy on/off feel as it jumps between the lean/normal mixture, so it's not just the gauge.
Any ideas?
 


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