Thanks for the info Ken! I didn't realize that kit was for intake AND exhaust valves. That is a dang good price.Welcome to the site and congrats on your CRF250X! Brand new heads from Honda will have these same markings/engravings so no need to be concerned about them. The head is not changed or modified when installing a big bore kit. You can measure the piston to determine if you have a bit bore kit installed. Journals look good from what I can determine from the photos. We offer CNC valve job with KW SS valves:
https://www.crfsonly.com/catalog/produc ... ts_id/3974
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