Longevity of reed valves?

Brian_Bowles
How long do reed valves typically last? I hear a lot of people say they replaced the reed valves and saw a power increase. Obviously their valves need to be replaced.
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sandman768
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sandman768 4/14/2019 5:58am
4/14/2019 5:58am
I think it’s an “inspect & replace” as needed, frayed edges, warped, or a gap in sealing surface to the block would indicate replacement needed. Of course if a set is 10,20,30 years old, usually better off replacing them.
Brian_Bowles 4/14/2019 6:07am
4/14/2019 6:07am Edited Date/Time 4/14/2019 6:08am
Thanks, I think I will just go ahead and replace mine on my 1986 YZ125. The bike sat for 5 years. Before that it was ridden for years without replacing them by the previous owner.

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