Complex sentence: The "F" café racer styled featured a lighter 4-into-one exhaust, fewer chrome trimmings, different gas tank and seat also slightly flatter handlebars--as part of the Honda Super Sport range which included the CB400F, CB550F and CB750F.
Split into simpler sentences: The "F" featured a lighter 4-into-one exhaust and slightly flatter handlebars, and both gas tank and seat had fewer chrome trimmings. It formed part of the Honda Super Sport range which comprised the CB400F, CB550F and CB750F.