Some of these step-throughs and scooters are made for Southeast Asian markets, where they are known as underbones. * Lagenda series (Asia) * Yamaha LC50 (Asia) * Yamaha MJ50 (Asia) * Yamaha V90 (Asia) * Yamaha C3 50cc (U.S.) * Yamaha Lexam (Vietnam) * Yamaha Nouvo (Asia) * Yamaha Mio (Asia) * Yamaha Sirius (Asia) * Yamaha V-IXION (Asia) * Yamaha X-1 (Asia) * Yamaha X-1R (Thailand) * Yamaha Chappy (Asia) * Yamaha Aerox R 50 cc (E.U.) * Yamaha Aerox TY race replica 50 cc (E.U.) * Yamaha Beluga * Yamaha BJ 50 cc (Japan) * Yamaha BW's NBA 50 cc (E.U.) * Yamaha BW's 50 cc (E.U.) * Yamaha BWs Naked 50 cc (E.U.) * Yamaha BW's 12 inch 50 cc (E.U.) * Yamaha BW's Next Generation 50 cc (E.U.) * Yamaha Giggle 50