Many times mufflers come loose due to faulty tension and or with bad gasket.
Gaskets that are hard and compressed don't keep tension and it often creates issues.
Uneven surface that gasket sit on cylinder and muffler is result of this and when assembled it is just repeated no matter what is done.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.