You can see the bosses for these early heads (next to the intake) where they could tap into the intake port and inject fuel for cold-morning-start-ups . . . Most are not tapped. But, I occasionally see some with plugs in there . . . Neato old stuff . . .
you mean people used to ride motorcycles in cold weather?? get out!
ReplyDeleteWow, never a clue, cheers Brains.
ReplyDelete