... with kevlar cord, scooter parts, dirt bike 1 model:669,743,729 2 pass 200 hours test 3 CR or EPDM ... , GY6 engine belt, scooter parts, scooter engine belt1) model:669,743,729,788,842,8352) pass 200 hours test3) CR or ... for 700-800 CC belt available go cart bike belt 743-20-30 with kevlar cord