What's wrong with this picture?
Picked up a 2002 640 Adventure about a month ago and I'm loving it!
Needs a bit of jetting, but other than that its in great shape! Shouldn't there be a snorkel on top of the airbox? How would this affect the way the bike runs? It idles a bit rough, and I get some surging at low rpms between 0-1/4 throttle.