just started workin on a '84 yamaha 440, wouldnt start took the carb off and sprayed some fuel in the intake fired up for a few sec.. i drained the tank and cleaned it up, put some new fuel in it, changed the fuel lines. there is a small diaphram fuel pump attached to the main fuel line from teh trank. there is a pulse line frfom the crankcase that goes to the pump and of course an out to the carb.. the fuel line is new and clean and i can visually see that the gas isnt gettiong to the carb.. any help would be greatly appericaited..
eags9@hotmail.com
thanks
David