Leaning out somewhere by the sounds.
Had a open plug gap do that to me too.
Maybe air getting by the intake or carb gasket.... boot.. something
Had a loose head once too. You would not know it. Till you turned the head bolts. Just enough to let some air in. Of course it cost me a gasket. But...
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.