Join Date: Nov 2010
Location: north central Illinois
The Owner's Manual that came with my 2010 900 LT has a March 2009 copyright date.
On page 83 of my VN900DA Owner's Manual, the "Periodic Maintenance Chart" suggests "valve clearance - check" at 15,000 mi. (24,000 km)
Page 109, titled "Valve Clearance", says...
"Valve and valve seat wear decreases valve clearance, upsetting valve timing.
NOTICE: If valve clearance is left unadjusted, wear will eventually cause the valves to remain partly open; which lowers performance, burns the valve and valve seats, and may cause serious engine damage.
Valve clearance for each valve should be checked and adjusted in accordance with the Periodic Maintenance Chart.
Inspection and adjustment should be done by a competent mechanic following the instructions in the Service Manual"
(I will probably go to my Kawa dealer for this. Haven't checked on this service in particular, but everything else they've done for me seems to be competitively priced.)
Right now, my bike is too new for me to be comfortable opening up the engine. Though I am mechanically inclined, I am not a "competent mechanic". I figure, if I screw up something like this, it will cost a LOT more to have a "competent mechanic" fix it...