2017 Yamaha SMAX


2017 Yamaha SMAX


The Smax sport scooter features a 155 cc engine, auto transmission and sporty handling.

Additional Features

  • 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.


  • 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.
  • CONFIDENCE-INSPIRING TRACTION: Wide, high-grip 13-inch tires front and rear offer excellent grip and comfort.
  • ADVANCED BRAKES: Large 267mm front and 245mm rear disc brakes maintain consistent stopping power.
  • ON-BOARD STORAGE: Approximately 32-liter underseat storage space will fit a full face helmet or groceries.
  • STEP THROUGH DESIGN: Relaxed riding position and flat foot space allow outstanding rider comfort.


  • 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.
  • AUTOMATIC CONVENIENCE: There is no need to use a clutch or shift gears with the durable and reliable continuously variable transmission (CVT) and that makes riding the SMAX fun and convenient.

Top Features

  • POTENT, ECONOMICAL ENGINE: Powerful 155 cc, liquid-cooled 4-stroke, SOHC fuel-injected engine is highly fuel efficient while producing excellent acceleration and power for commuting or highway riding.
  • AUTOMATIC CONVENIENCE: Continuously Variable Transmission (CVT) makes operating the Smax a snap without the need to use a hand clutch or shift gears.
  • STEP THROUGH DESIGN: The Smax features a roomy frame designed for overall balance and provides plenty of foot space.
  • ON-BOARD STORAGE: Large storage area that holds approximately 32 liters of under seat storage – big enough for a full face helmet or groceries.
  • PREMIUM ACCOMMODATIONS: Two-up riding is comfortable for both riders, featuring a spacious, well laid-out design and standard windscreen.

General Information

Manufacturer Yamaha
Model Year 2017
Model SMAX
Model Code XC155HB
Color Raven



Front - 267 mm hydraulic disc

Rear - 245 mm hydraulic disc


Front - 120/70-13

Rear - 130/70-13


Length 79.9 in.
Height 51 in.
Width 28.1 in.
Weight Wet - 328 lb.
Wheelbase 55.3 in.
Seat Height 31.3 in.

Engine & Drivetrain

Engine 4-stroke, SOHC single-cylinder, 4-valves
Displacement 155 cc
Bore x Stroke 58 x 58.7 mm
Compression Ratio 11:1
Fuel Capacity 2 gal.
MPG Rating 81 mpg
Ignition Digital TCI (Transistor Control Ignition)
Cooling Liquid
Transmission Automatic CVT
Final Drive V-belt
Fuel System Fuel injection



Front - Telescopic fork; 3.1 in. travel

Rear - Mid-ship, horizontal-positioned rear shock; 3.7 in. travel


Warranty 1 Year (Limited Factory Warranty)