i have a old stihl fs80 weed eater/brush-cutter that belonged to my grandpa. it hasn't been run in about 10 years. i decided to get it running again i replaced all the fuel lines new spark plug and cleaned the carb. that all went fine but the primer bulb has given me a fit. its a white plastic screw on type. ive never seen one before. i had to take it off with channelocks and in the process i broke it. if i had i pic of it i would post it. i have not been able to fine one. maybe it has a special name idk. but its like a coke bottle lid size the a whole in the top for the primer bulb and it just screws on to the pick up on the fuel line. any help on what this is called or where i could find one online would be greatly appreciated.