Moderator
Join Date: Mar 2007
Location: Fort Sask , Alberta, Canada
Posts: 3,504
Check the nuts that hold the header pipe onto the engine. I've lost one of those and when hot the motor backfired.
Don;t know what the dealer would be "adjusting" by removing the left case cover.
My Kaw Barn - 2004 KLR, 2006 Concours (sold), 1997 Bayou 400.
"It's a friggen motorcycle, it's not supposed to be comfortable, quiet or safe. The wind noise is supposed to hurt your ears, the seat should be hard and riding it should make you shit your pants every now and then. "
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