[QUOTE="Pip Luscher"] My R1 is pretty much at 24K miles, which is its first valve clearance check. Twenty valves. I'm really not looking forward to it.[/QUOTE] I know I've posted this before, but it's not that bad. Simply zip-tie the cams to the chain and you can't get the timing wrong. The kicker is the cost of the shims. A few quid each, several quid each....