Joined Oct 2009
3K Posts | 1+
valve clearances
- Thread starter vinny rsvr
- Start date
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- Tags
- clearances valve
the reason they get quieter is when the valve pushes into the valve seat if the tappet/shim wears then the gap will get bigger causing them to tap . i have heard off a bloke who worked at an aprilia dealer that when they checked them on services that it was very rare to have to adjust any
