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My 1996 Carby was running very well and suddenly under accelleration the sump fractured and a large chunk also took a piece of fairing with it. All the oil dumped out but i managed to switch it off. The engine has not seized. I read that there is a pressure relief valve in the sump. Could this cause the damage described? Thanks in advance
 

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Are you sure you didn't run over something? If not that day then prior? Good for you in shutting it down in time.
 

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Are you sure you didn't run over something? If not that day then prior? Good for you in shutting it down in time.
Thanks for your reply. I was wearing a GoPro when it blew i deffo didn't run over anything at the time but you may have helped as the day before i had an incident when unloading it from a van. Thankyou
 

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Oil pressure won't do this. The sump would only see atmosphere. If there were anything greater you'd be popping seals first. Best guess is as been suggested you took a hit off something in the street.
 
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Thanks for all the replies. This forum is deffo the best! Got replacement sump ordered fingers crossed nothing else was damaged.
 

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Pete
You can T off the oil pressure switches location. Then install a oil pressure gauge. You should see 71psi at 5000 rpm. One member was seeing like 40 psi cold and then it dropped to like 20 psi I think. So if you put in the guage and you get these readings you should be pretty safe.
 

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Pete
You can T off the oil pressure switches location. Then install a oil pressure gauge. You should see 71psi at 5000 rpm. One member was seeing like 40 psi cold and then it dropped to like 20 psi I think. So if you put in the guage and you get these readings you should be pretty safe.
Thankyou. Will check when bike is back together.
 
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