Yes it is closed. the guy i bought it from in january said he thought the pump may have been going out. but it always ran and started so i didnt look into it. but now the only way it starts is if i pump the primer ball. then it runs for about 30 s and shuts off again. like i said i took that...
i have a late 80's 743 and recently it has ran great. today i got it out and it ran for about 5 minutes before dying. well long story short it would start with the help from the primer ball and then die. so i took the fuel pump off and took apart to find one of the little plastic discs was...