Complex sentence: FJR1300AE and AS models were introduced which featured a semi-automatic transmission; a switch operated, solenoid actuated manual transmission with a computer controlled clutch that Yamaha termed YCCS ('Y'amaha'C'omputer'C'ontrolled'S' hifting).
Split into simpler sentences: FJR1300AE and AS models featured a semi-automatic transmission; a switch operated, solenoid actuated manual transmission with a computer controlled clutch. The AE/AS model has what Yamaha termed YCCS ('Y'amaha'C'omputer'C'ontrolled'S' hifting).