BSA Flat Tank Models/Series Timeline, Specifications & Photos

The BSA Flat Tank sports an air-cooled, four-stroke, 557cc, single cylinder powerplant mated to a three-speed manual transmission. This machine comes with a sprung single seat, a hard-tail rear suspension, laced wheels, a rear luggage rack, wide handlebars, a single spring girder fork, large fenders, a large headlight and the trademark long and flat fuel tank.