The all-new SMAX features a potent highly-efficient 155 cubic centimeter fuel-injected engine fully-automatic transmission lightweight frame for sporty handling spacious design perfect for one or two-up riding under-seat storage large enough for a full-face helmet or groceries and more. 2015 Yamaha SMAX SMAX YOUR SPORTING ADVENTURE STARTS HERE. Introducing the newest way to start your sport scooter adventure. Scooters 250 - 500cc DX41479934739190619014410 DX1 ...