Boyesen Power Reeds - 601 Improves throttle response and fuel economy, enhances acceleration and top-end speed Revolutionary dual-stage reeds outperform and outlast any stock reed Aprilia RS 250 1980 - 1981 Suzuki PE250 1980 - 1981 Suzuki PE400 1980 - 1981 Suzuki RM250 1978 - 1980 Suzuki RM400 1979 - 1980 Suzuki RS250 1980 - 1981
