Adjusted the clearance on two intake valves over the winter. Was very careful to get the cams timed properly and make sure all parts and tools ended up in the right places. Seems to turn over OK by hand and can't see anything that looks unusual. It seems noisier than it was, but I'm not sure because I haven't ridden it for 3 months. I took it for a short run last night and checked the filter. There are a few metal shavings in the oil - maybe just a bit more than normal. Has anyone else noticed an increase in noise with the valves at the loose end of the spec? Any ideas?