Originally Posted by
Tidnab
That's true with the stock engines,but one that has been modded might have had the bridge taken out by the modder.One example is the 25cc Homelite full mod marine engine that I have.Someone might think this is a 30cc.
Yes, that is quite true. I always convert to a pinned ring and remove the exhaust port bridge myself when modding the Homelite 25cc engine
AV8TOR