Take a close look here. Never seen this before nor had the wrench who showed this to me who's been doing this for years and years.
The valve keepers came off and the valve dropped into the combustion chamber where the piston of course hit it. In this case it all came together just right and the valve was driven back up and through the cylinder head. The arrow is pointing at the valve. Highly unusual.
whoever owns this engine should go buy as many lottery tickets as they can afford.
ReplyDeleteor, just go get some valve keepers and consider themselves extremely lucky.
LLLLLOOOOOOOOOONNNNNNGGGGGGG, odds.
WHOLLY COW!
This was on a v-twin Russ and was under warranty. Never paid any attention whether it was air or water cooled. Factory doesn't want the motor. I wonder what it looks like from the inside.
ReplyDeleteBam! New cylinder head. New piston and rings too, most probably.
ReplyDeleteAs for what it looks like from the inside, I can tell ya what it looks like from the inside, and it ain't purty. (Dropped valves before in engines, and it puts such a purty hole in the piston!).
And BTW, how can you not know whether a v-twin is air or water cooled? It either has a radiator or it don't! Well, I suppose the oil cooler on some "air cooled" engines might sorta look like a radiator, but still...
- Badtux the Wrenchin' penguin
The motor was out and on the floor. This was a Kawasaki and it really makes little difference how this was cooled. I just concentrated on what's in the picture because I'd never seen anything close to this before.
ReplyDeleteWithout question the piston is toast but I'm wondering since the hit was so pure that the head of the valve must have met the piston almost square and possibly did not go clear through the piston which is normally the case.
I'm going to call and see if my friend will set this aside so next time I come down we can take the head off and have a look see.
Forgot to say the water cooled v-twin Kawasaki motors 18-22hp are well designed and perform without problems. They sound real nice with the muffler off.
ReplyDeleteMight want to check for a bent rod, too. I have heard of this happening before.
ReplyDelete