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  1. Yamaha YFZ350 Banshee (1987-Present)
    I have a 87 banshee,fmf fattys,k&n,reeds. engine was just rebuilt top to bottom i put a new ignition coil on. its starts and idles fine but as soon as i hit top end its very boggy.if i take the air box lid off it screams like a banshee should?????anybody have any ideas