What's up with my cylinders? Casting flaw?

[Patrick Star]

A picture is worth a thousand words. Looks like a Crack. No leaking though

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[newbee]

Could it have frozen?

 

[Patrick Star]

Not sure. It doesn't leak or anything.

 

[X2Kid]

Could just be the typical cracking that's the Achilles heal of these cylinders. It's on the intake side (typical), but seems to be a located a little higher than the norm (the cracks I've seen typically appear lower on the cylinder).

Perhaps somebody who has many of these cylinders pass their way can comment? I believe these can be welded to create a crude repair. Looks awful but works!

 

[Half flip95]

Grind on it and find out

 

[DAG]

That seems to be a strange place for a crack. Maybe a previous owner had a crank letgo?

 

[OCD Solutions]

Looks like a frost crack to me. It's just the water jacket so it should be safe to run if it's not leaking and also fairly safe to weld up as it won't see too much pressure.

 

[Patrick Star]

I'm just gonna leave it. The ski has super low hours, 165 psi on my gauge in each hole. I thought the corrosion had made it split or something. If it lasts till I need a top end that would be good. That will be 10 years at my rate, lol.

Yea the ski was totally un touched, just poor maintenance, such as rinsing engine and flushing.

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[SmittySX]

Doesn't look like a casting flaw from the picture. Looks like a crack. Do what OCD said.

 

[Patrick Star]

I'll keep an eye on it. Wouldn't mind finding some OEM bore ported cyls and just swapping my pistons and new rings into.

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