Chosen Solution
== Oil blowing from exhaust muffler .runs well and starts ok.this problem seemed to start after fitting new drive belt.many thanks.a ==
Oil can seep into the exhaust system if the piston rings are worn or if you turn the engine on its side. The oil that gets into the pistons is pushed out without burning. If the liquid coming out of your engine is slick and smells more like oil, suspect one of these two causes.