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mystery oil leak

Started by jerryz, March 06, 2013, 03:03:32 AM

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jerryz

March 06, 2013, 03:03:32 AM
I have posted about this before , 750ss has a mystery oil leak on the rear cylinder , i have removed it and replaced all gaskets and O rings and it also has a new breather assembly

still leaks on rear left hand corner and about 1/2 way up the cylinder? compression is OK so cylinder cant be craked ,, now i am at a complete loss of ideas ????

zooom

#1
March 06, 2013, 08:33:30 AM
did you replace the studs when you removed the rear/vertical cylinder to do the base gasket?
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ducpainter

#2
March 06, 2013, 08:53:44 AM
The cylinder may not be cracked into the combustion chamber, but it could be cracked/porous from an oil passage to atmosphere.
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jerryz

#3
March 06, 2013, 12:47:34 PM
Quote from: zooom on March 06, 2013, 08:33:30 AM
did you replace the studs when you removed the rear/vertical cylinder to do the base gasket?


No they were all secure ,, but i am going to seal them all again
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