1991 Honda Cbr600f2 sport bike (Joliet il in Milwaukee, WI

Awesome bike in great original cond. 21k miles .Has over $500 into new Micron exhaust, chrome swing arm , chrome brake calipers, New performance suspention 90% original! runs well for about fifteen minutes ,the runs rough until you open the gas lid? was just told by dealer that it is proubally the gas tank vent tube ., cash or trade for atv , cruiser ,honda rebel, sled etc.I have clean title call [removed phone]
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