Every time I do a valve adjustment, I peek into the intake boots just to see what it looks like, and I'm always amazed by how icky some of my valves are. So much so, that I decided to take a few pics:
(click for larger images)
Aside from a complete disassemble and manual valve cleaning, is there anything I can do to clean these up? I assume there isn't, so am I damaging anything by allowing them to stay dirty?
(click for larger images)
Aside from a complete disassemble and manual valve cleaning, is there anything I can do to clean these up? I assume there isn't, so am I damaging anything by allowing them to stay dirty?
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