2013 Pre-Johnny Ranger RT 178
115 PRO XS
Due to the increase of ammunition prices... There will be no warning shots
Honda certified Master technician 33 Years
My guess is piston ring pieces.
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My guess would be a locating pin from the other cylinder (looks like the locating pin for the top ring is missing).
See similar damage on the cylinder head and/or "mauled" Direct Injector?
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2013 Pre-Johnny Ranger RT 178
115 PRO XS
Due to the increase of ammunition prices... There will be no warning shots
Honda certified Master technician 33 Years