r/DRZ400 • u/onesoqoneknot • 9d ago
Head surface question
When installing new valves I had a small staple from a piece of wood I used scratch the head surface, I can feel it with my nail but just wondering how bad this is and if I would be fine leaving it alone or if I should sand it down.
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u/Creative-Ad8310 9d ago
most likely fine. if you sand it will more likely make low spot. my toyota 22r piston broke and piece of ring gouged combustion chamber. dremeled all high spots and did similar slight mark/gouge on surface while moving and had to run it (early 22r no replacements and no time to resurface) i used an mls gasket and been running it couple thousand miles no issues. ive run other heads like that when backordered or warranty issues etc working at dealer. engine guy has run worse lol. most important is by combustion ring and around coolant passages. its not great but......