The 2025 Sym Maxsym 400 is a scooter motorcycle manufactured by Sym, equipped with a 399.0 ccm (24.35 cubic inches) displacement unit (Single cylinder, four-stroke) with liquid cooling. In factory trim, the engine delivers a rated power of 33.5 HP (24.5 kW)) @ 6750 RPM and peak torque of 39.5 Nm (4.0 kgf-m or 29.1 ft.lbs) @ 5250 RPM, paired with a Automatic transmission and belt (final drive) final drive.
For rider ergonomics and real-world handling, key chassis measurements include a curb weight of 215.0 kg (474.0 pounds), seat height of 800 mm (31.5 inches) If adjustable, lowest setting., fuel capacity of 13.00 litres (3.43 US gallons). Review the complete factory specification tables below to evaluate engine internals, suspension travel, braking hardware, tyre sizes and ownership estimates, or compare the 2025 Sym Maxsym 400 side by side against rival models in the Scooter lineup.
Engine
Displacement399.0 ccm (24.35 cubic inches)
Engine TypeSingle cylinder, four-stroke
Power33.5 HP (24.5 kW)) @ 6750 RPM
Torque39.5 Nm (4.0 kgf-m or 29.1 ft.lbs) @ 5250 RPM
Bore x Stroke83.0 x 73.8 mm (3.3 x 2.9 inches)
Valves/Cylinder4
Fuel SystemInjection
Fuel ControlOverhead Cams (OHC)
CoolingLiquid
Transmission
GearboxAutomatic
Final DriveBelt (final drive)
DrivelineCVT
Performance
Top Speed139.0 km/h (86.4 mph)
Emission DetailsEuro 5
Chassis
Front SuspensionTelescope fork
Rear SuspensionDual shocks
Wheelbase1555 mm (61.2 inches)
Wheels & Brakes
Front Tyre120/70-15
Rear Tyre160/60-14
Front BrakesDouble disc. ABS
Front Brake Ø275 mm (10.8 inches)
Rear BrakesSingle disc. ABS
Rear Brake Ø275 mm (10.8 inches)
Dimensions & Weight
Weight incl.215.0 kg (474.0 pounds)
Seat Height800 mm (31.5 inches) If adjustable, lowest setting.
Overall Height1455 mm (57.3 inches)
Overall Length2230 mm (87.8 inches)
Overall Width820 mm (32.3 inches)
Fuel Capacity13.00 litres (3.43 US gallons)
Other
StarterElectric
Color OptionsBlue, matte blue, grey, dark grey
InstrumentsColor LCD instrument panel/analogue
LightLED lights
Carrying CapacityUnderseat storage
Notes
The SYM brand is owned by Sanyang Motor in Taiwan.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
