fuel flow from the pump to the carb is controlled by the carb input needle/seat, if the carb bowl is "full", it's shut off and nothing is pumped, what you see in the filter is the fuel use, if it were a continuous stream you wouldn't be able to afford the gas wink

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics