The stock 228 carb has a fine mesh filter built into the carb housing. If you have a rusty line or rusty tank that filter could easily be blocked. You servic ethe filer under the big nut.
When I rebuilt my engine I purchased a new pump with a built in filter bowl as a precaution. If you this type of filter integrated into the pump it's another place to check for low or no fuel delivery.
Last edited by showkey; 05/31/2017 2:08 PM.