Quote:
Originally Posted by Jeff Higgins
I agree - it's really pretty darn easy. I also agree that you should just measure the clearance with existing shims, take them out and measure them, then order the right size. The shim kit just has to be full of sizes you will never need and, at darn near $400, a monumental waste of money.
The only hitch is that the bike winds up sitting, partially disassembled, waiting for the shims. Not bad if it's your bike in your garage, but since it's your buddy's, just make sure you are aware of that.
One dirty little secret: they hardly ever need adjustment. Lacking heavy springs, the desmo gear places very little pressure on the components that wear, causing the need for re-adjustment in other valve trains. You can probably go for years just checking without ever re-shimming. In 70,000 miles I've actually only had to re-shim twice.
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What he said......when I bought my current 750ss, it was from a guy who'd gotten it then freaked out over the whole valve/belt thing...got it home, all valves were in spec and I swapped the belts out. Took an afternoon. I think Duc recommends every 7k miles, but unless you're flogging the snot out of it, that's absurd. 10k is perfectly safe and I don't plan on doing any more than every 15k unless I start mod'ing the snot out of it.