2019 Yamaha Smax, 2019 Yamaha Smax PERFORMANCE SPORT The best way to start your sport scooter adventure, 155cc engine, auto transmission, light, sporty handling and under seat storage. Features may include: Engine Potent, Economical Engine Advanced 155cc engine is smooth, quiet and produces outstanding power for commuting or highway riding. Plus, it makes the most of every gallon with 81 mpg* fuel economy. Responsive Performance The engine has a linear power feel that pulls through the powerband delivering excellent acceleration and a sporty ride experience. Chassis/Suspension Modern Chassis Frame design makes for a sporty, well-handling machine while still providing plenty of foot space for the rider. Plush Suspension Mid-ship, horizontally-positioned rear shock offers 3.7” of travel for added rider and passenger comfort. Additional Style and Function Sporty 3-gauge meter is easy to see and provides great rider information. LED position lights and tail light improve visibility and add to the sporty style.