1150 GSA Running lean?

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Joined
Sep 19, 2012
Messages
2,511
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664
Location
Texas
Bike
BMW R1150GS Adventure
I had my peeg on a 911 diagnostic tool this weekend. It showed it runs way lean, not within the set limits. Should the bike's electronics not be able to optimize the air/fuel mixture itself and keep it within the limits? Or must I set it from time to time?

Bike is de-catted, have a BMC reusable air filter and Remus pipe.
 
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