This happens when a GY6 moped engine sucks a valve at 50mph
 

http://imgur.com/a/PiWhp

RE: This happens when a GY6 moped engine sucks a valve at 50mph
 

that sucks, but iv seen worse.

RE: This happens when a GY6 moped engine sucks a valve at 50mph
 

Ate it for dinner.

RE: This happens when a GY6 moped engine sucks a valve at 50mph
 

That will bang right out....

RE: This happens when a GY6 moped engine sucks a valve at 50mph
 

Meh, a little scotch-brite and she will be good as new!!!

RE: This happens when a GY6 moped engine sucks a valve at 50mph
 

That looks a lot like the VW Bug engine I had that ate a valve many years ago. I still have the valve head somewhere - it was pretty firmly imbedded in the piston. I kept it to remind me exactly what the consiquences of misadjusted valves were.
And, yes, I had adjusted them myself the day before...
Apparently very poorly

RE: This happens when a GY6 moped engine sucks a valve at 50mph
 

i call that kind of damage as it went "hamburger" because the metal looks like ground beef.

well at least no one got hurt, ive heard of horror stories of pistons shooting through the block and into people or into cement, not scooter engines but still, it spooks me.