sentences:  gave the feeling that the Superbike World Championship was 'back' following the years of decline in and .With MotoGP machines reduced in capacity from 990 cc to an 800 cc maximum displacement, 1,000 cc Superbikes, both at World Championship and top national championships (AMA Superbike and British Superbike) become the largest capacity bikes (but not the most powerful) being road raced in .While superbikes remained two or more seconds per lap slower than MotoGP bikes at most tracks where both raced, they had equal or more power.