Quote:
Originally Posted by ex250
Just dismantled the fuel high pressure regulator and not seemed quite clean:
Also, there is some wear on the down side, perhaps by resonance?
Also expected a big o-ring in the insert, and was empty, should not be one?
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HI Javier.
Yes it looks like the nylon O-ring is damaged, some do not have the large black O-ring, the replacements do and I always fit them, as above purchase the O-rings to fix