Scooter Drive Belts MITSUBOSHI JAPAN. MITSUBOSHI manufactures belts for almost all scooter companies such as PIAGGIO, SYM, KYMCO, YAMAHA, SUZUKI, APRILIA. MITSUBOSHI belts – simple reinforced or double – are made of rubber with layers of linen and are reinforced with Kevlar, offering high resistance to stress and long lifespan.