Originally Posted by GrenDesb
Had something similar on my previous bike.
Not a hose but a small diaphragm in one of the carbs. It's the fuel shut off valve that prevent gas to be sucked in by the engine vaccum on decel.
Bike was burping and popping on decel and even a little on steady no load throttle cruising on the highway.
Air cut valve on the 950. There's a jet under the velocity stacks, too.