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Is this going to be a problem?
- Thread starter DaddyLoafin
- Start date
DaddyLoafin
Active Member
I have no idea. these came out of an engine I got from a local dude who does an engine Exhange thing. His work isn't exactly the best.
They are bored .25 over.
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DaddyLoafin
Active Member
lol damn well, this just got expensive.
off to group k than
DaddyLoafin
Active Member
Or is the sbt cylinder exchange worth it?
Good choice.
DaddyLoafin
Active Member
lol was just asking because the one has 2 cracks in it.LOL, I can't stop laughing.
Wait... are you being serious?
Is it worth sending that cylinder pictured with the 2 cracks or should I get another one?
DaddyLoafin
Active Member
Yeah I’ll definitely give them a call before I send them out.
So looking at it some more and it does look like it was re sleeved. The exhaust port in the sleeve doesn’t seem to line up terrible well with the one in the jug. I’m sure this isn’t good but not sure if it’s detrimental. The engine did run before the head bolt broke but I only put break In hours on it.
So looking at it some more and it does look like it was re sleeved. The exhaust port in the sleeve doesn’t seem to line up terrible well with the one in the jug. I’m sure this isn’t good but not sure if it’s detrimental. The engine did run before the head bolt broke but I only put break In hours on it.
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DaddyLoafin
Active Member
Lol yeah, his workman ship isn't exactly great. I will not be getting anything from him in the future lol
BrianMoore
Member
Resleeved and .25 over? That's an oxymoron.
I got a 1997 720 that had never been apart and had sat for 7 years after it wouldn't start. I got it running and we ran the crap out of it for a summer.
First picture is the cylinder wall condition after that year. You can see the factory chamfers on the transfer ports. Second picture is the ring gap on the front piston which rattled around in the bore. Third picture is the Seadoo factory remanufactured engine short block that had been resleeved and the ring gap. You can see how the factory sleeves don't perfectly align with all the casting features. The 720 doesn't even have any casting in the area you have cracks. Note the piston size is stock so it can be bored out several more times.
I got a 1997 720 that had never been apart and had sat for 7 years after it wouldn't start. I got it running and we ran the crap out of it for a summer.
First picture is the cylinder wall condition after that year. You can see the factory chamfers on the transfer ports. Second picture is the ring gap on the front piston which rattled around in the bore. Third picture is the Seadoo factory remanufactured engine short block that had been resleeved and the ring gap. You can see how the factory sleeves don't perfectly align with all the casting features. The 720 doesn't even have any casting in the area you have cracks. Note the piston size is stock so it can be bored out several more times.
First pic is pretty crusty. Please fog your engines people
DaddyLoafin
Active Member
Lol I got this engine in July so don’t blame me for the condition. It ran but it leaked water from a bolt and went I went to take it out and re grease and loc right it, it snapped. I got 3 tanks through this and it’s claimed to be completely rebuilt.First pic is pretty crusty. Please fog your engines people
So at this point I feel like best solution is to get another set of jugs to have bored out and probably pull apart the bottom end to inspect everything this dude touched lol.
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