Not that you have to, but I would advise grinding off the I.D. mark on the head once you've skimmed it, so it doesn't show as an SP anymore. You could even stamp or engrave it with an "R" I.D. if you are doing the job properly.
Although you know what will be what after modification, if you sell the bike it could cause the next owner problems if he goes by the OEM markings.
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Andy.
NSR-WORLD.COM
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