Loads of smoke

Trapped wind?

And why are you wearing a tea cosy on your head?

 

@snotty

Your just jealous Man of my hat

 

The valve stem oil smoke is more of an oil haze on starting a warmed up engine. The "smoke" you see on cold days is water condensing out from normal burning hydrocarbons.

 

Time to think outside the box.

Have you run over one of those Vaping people?