f650 gs

Hi all, Just recently bought a 2014 g650gs Sertao w/4400 miles on it from a private seller. Ran great when I checked it out. Ran great for about 100 miles, then I noticed it surging a bit and idling erratically--varies between about 1,000 and 2,200 rpm when sitting at a stop. A few times I've...

Hello All! Turns out I signed up for this forum in 2015, then forgot all about it...lol. So time for an introduction: Grew up in The Netherlands and since 2007 live in western Canada (BC) which is great motorcycle riding country as many of you know. I own a 2005 F650 GS on which I clocked...