Originally Posted by meowy84
Oh by the way I forgot to mention that my engine is the 80cc slant head version from zoomcycles. My engine is still in the box and I haven't had a chance to take the head off to see how far the stock chinese plug protrudes into the combustion chamber so I hope I won't have any clearance issues with the B6HS plug (I assume that since the BP6HS is just a higher quality version of the stock plug there won't be any pistin/plug interference issues...?).
So far no interference ever reported in ANY engine with the BP series.