So recently i bought a used yamaha, i believe its a 1984 350 or 450. its not running, it originally had a sissy bar and a fairing but i immediately took those off when i got home. the guy i bought it from said he didnt do anything with it except for bring it home. its leaking gas out of the air filter and i was wondering what would be some solutions to this problem? also it may need a new battery because after i turn the key on nothing happens. it has compression because it pops when you try to kick start it.