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Valve adjustment question

27K views 10 replies 6 participants last post by  Britmick 
#1 ·
I know the manual says check/adjust valves at 24k miles but how do you know when it really needs it? What will happen if they never get adjusted?
 
#2 ·
Hi there, I have an '06 Er6-n and had the valves inspected and adjusted at 36000kms instead of the recommended 42000 because I do a lot of sport and track riding and I had a racing exhaust at the time.

The exhaust valves were a bit closed but, in general, there was no urgent need for adjustment but I did anyway even though a bit earlier.

Anyway, the manual's recommendation is just that, a recommendation as 24k track miles are not the same as 24k highway miles etc, but I don't think that you need to adjust earlier.
 
#10 ·
Over time you'll lose power, fuel economy, etc. At the 25,000 mile mark (quite farther than the 16k recommended) I had the valves checked, new plugs & coils, air filter, and a dyno tune. The bike runs considerably better, sounds better, so yes, it is something you'll want to do when you notice a decline in performance or just want a "pick me up." The dyno tune had a lot to do with it, but the valves did require a slight adjustment.
 
#11 ·
I had a feeling it should be 16k MILES they should be adjusted.

My Versys was adjusted at 20k & there wasn't much adjustment needed, but it has had an easy life.
My valve adjustment with new plugs & an air filter cleaning cost $200 at a local reputable bike mechanic.
 
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