Huh?
does your throttle cable PUSH on the linkage. ..?Or are the carbs on inside out?
Seem's like a 'pull' from your throttle cable shuts the carbs....or they're on lefthanded?!
It's one of those "magic eye" things eh?
I'll see the answer if I stare long enough.
-Bob O
p.s. Get you rebuild kits now!!! They're seeming to be hard to find (at a normal price).