I'm new to this but thought I'ld give it a try. '09 venture owner on 2nd season, love it! bike has 27K on it and runs great, no problems just normal maintenance. Manual calls for valve clearance check at 26,700 miles. Not sure why so specific but got me thinking it might be important. A lot of work when I have no other reason to open it up and its running great. Want some feedback on how vitally important is it? Also electronic speedometer reads 5 to 7 mph slow (I know keeps me from getting tickets!) at highway speeds. any adjustment on that? Thanks for the help!