Yamaha Xmax 400 - 2020 Specifications and Reviews

The 2020 Yamaha XMax 400 is a sporty maxi-scooter designed for riders seeking practical commuting with performance appeal. Its liquid-cooled 395cc engine delivers nearly 33 horsepower with responsive torque, making it ideal for urban riding and short highway jaunts. Known for fuel efficiency and versatile handling, it suits commuters wanting modern technology and comfort without motorcycle complexity.

2020
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General information

CategoryScooter
Year2020
ModelYamaha XMax 400

Engine and Transmission Specifications

Greenhouse gases95.1 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel consumption4.10 litres/100 km (24.4 km/l or 57.37 mpg)
Transmission typeBelt   (final drive)
Cooling systemLiquid
Lubrication systemWet sump
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Fuel systemInjection
Bore x Stroke83.0 x 73.0 mm (3.3 x 2.9 inches)
Torque36.0 Nm (3.7 kgf-m or 26.6 ft.lbs) @ 6000 RPM
Power32.9 HP (24.0 kW) @ 7000 RPM
Engine typeSingle cylinder, four-stroke
Capacity:395.0 ccm (24.10 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakesSingle disc
Diameter267 mm (10.5 inches)
Front brakesSingle disc
Rear tire150/70-13
Front tire120/70-15
Rear wheel travel107 mm (4.2 inches)
Rear SuspensionUnit Swing
Front wheel travel110 mm (4.3 inches)
Front SuspensionTelescopic forks
 
 

Physical measures and capacities

Fuel capacity13.00 litres (3.43 US gallons)
Wheelbase1567 mm (61.7 inches)
Ground clearance90 mm (3.5 inches)
Overall width766 mm (30.2 inches)
Overall length2185 mm (86.0 inches)
Overall height1465 mm (57.7 inches)
Seat height800 mm (31.5 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc210.0 kg (463.0 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
StarterElectric
Color optionsSonic Grey, Blazing Grey

Performance Profile & Rider Fit

32.9 hp
Peak Power
8.5s
0-60 mph

Best For

Track15%
City88%
Cornering55%
Daily Riding85%
Touring72%
Passenger70%

Rider Profile

Best ForSuitable for riders with a full motorcycle license who want a step up from smaller scooters but not necessarily seasoned sportbike veterans.
PurposeBuilt primarily for comfortable urban commuting with enough highway capability for weekend trips out of town.
Rider FitThe low seat height and automatic transmission make it accessible, though its 210 kg weight requires a bit of confidence when maneuvering at low speed.
CharacterA practical, easygoing maxi-scooter that prioritizes convenience, weather protection, and smooth power delivery over outright thrills.
Not Ideal ForNot a good fit for off-road adventures or riders seeking sharp, aggressive sport-bike handling.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2020 Yamaha Xmax 400 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 800mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2020 Yamaha Xmax 400, with a moderate knee angle of around 110 degrees and a slightly forward riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2020 Yamaha XMax 400 is a top-of-the-line scooter that offers a perfect combination of power, performance, and style. With a 400cc engine, this motorcycle provides a smooth and efficient ride, making it a great choice for both city commutes and highway cruising. The XMax 400 also features a sleek and modern design, with premium finishes and top-notch build quality, making it one of the most stylish scooters on the market. In addition to its impressive performance and design, the 2020 Yamaha XMax 400 is also packed with advanced features that enhance the overall riding experience. From its ABS braking system to its spacious under-seat storage and advanced instrumentation, this scooter offers a level of comfort and convenience that is unmatched in its class. Whether you're a seasoned rider or a beginner looking for a reliable and stylish scooter, the Yamaha XMax 400 is definitely worth considering. Overall, the 2020 Yamaha XMax 400 is a fantastic choice for anyone in the market for a high-performance and stylish scooter that offers a perfect balance of power, comfort, and advanced features.
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