2017 Yamaha Smax, 2017 Yamaha Smax SPORT SCOOTER PERFORMANCE The Smax sport scooter features a 155cc engine, auto transmission and sporty handling. Features may include: Potent, Economical EnginePowerful 155cc, liquid-cooled 4-stroke, SOHC fuel-injected engine is highly fuel efficient while producing excellent acceleration and power for commuting or highway riding.Automatic ConvenienceContinuously Variable Transmission (CVT) makes operating the Smax a snap without the need to use a hand clutch or shift gears.Step-Through DesignThe Smax features a roomy frame designed for overall balance and provides plenty of foot space.On-Board StorageLarge storage area that holds approximately 32 liters of under seat storage big enough for a full face helmet or groceries.Premium AccommodationsTwo-up riding is comfortable for both riders, featuring a spacious, well laid-out design and standard windscreen.