some of us have to pass the big city emission tests and that always seems to be a taboo subject as in nobody tells you what or why, you just pay and pay.
(what a monopoly )
the (low)-tech at the emissions place could only repeat what he could remember( )
so part of the procedure is that they put a clamp on the evap line between the tank and evap canister, pressurize the tank at 1/2#psi and wait for a bleedoff or leak.
this is a computer controlled machine and will do it twice before registering as "failure".
We as a biker must participate to save the world in which we all live. Currently the Earth is experiencing due to global warmning worsening pollution levels. Therefore we as a biker or motorcycle users must keep our fuel emissions