2024 Sym Joymax Z Plus 250 Technical Analysis & Specification Breakdown
At the heart of the 2024 Sym Joymax Z Plus 250 scooter motorcycle, Sym features a 249.4 cc (15.2 cu in) liquid-cooled single cylinder, four-stroke configuration. In factory specification, peak output is rated at 21.7 HP (15.9 kW) at 7,500 rpm while maximum torque reaches 22.3 Nm (16.4 lb-ft) at 5,500 rpm, transferring power to the rear wheel through a automatic gearbox and belt final drive. With a specific output of 87 HP per liter and a 2,000 rpm working window between peak torque (5,500 rpm) and peak power (7,500 rpm), the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.
On the scales, the Joymax Z Plus 250 measures 185 kg (408 lbs) wet (curb), translating to a power-to-weight ratio of 0.12 HP/kg (8.53 kg per horsepower). Rider ergonomics and chassis geometry center around a 747 mm (29.4 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,550 mm (61 in) wheelbase engineered for planted straight-line stability. The 12-liter (3.2 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 122 km/h (76 mph).
Within MotoLibrary's Sym archive, this model family spans 2 indexed model years from 2023 to 2024, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
87 HP/L
Power-to-Weight
0.12 HP/kg (8.53 kg/HP)
Power Band Window
5,500–7,500 rpm
Standover Height
747 mm (29.4 in)
Engine
Displacement249.4 ccm (15.22 cubic inches)
Engine TypeSingle cylinder, four-stroke
Power21.7 HP (15.9 kW)) @ 7500 RPM
Torque22.3 Nm (2.3 kgf-m or 16.4 ft.lbs) @ 5500 RPM
Fuel SystemInjection
CoolingLiquid
Transmission
GearboxAutomatic
Final DriveBelt (final drive)
DrivelineCVT
Performance
Top Speed122.0 km/h (75.8 mph)
Emission DetailsEuro 5
Chassis
Front SuspensionTelescope fork
Rear SuspensionDual Shock
Wheelbase1550 mm (61.0 inches)
Wheels & Brakes
Front Tyre120/70-14
Rear Tyre140/60-13
Front BrakesSingle disc. ABS
Front Brake Ø260 mm (10.2 inches)
Rear BrakesSingle disc. ABS
Rear Brake Ø240 mm (9.4 inches)
WheelsAluminium rims
Dimensions & Weight
Weight incl.185.0 kg (407.9 pounds)
Seat Height747 mm (29.4 inches) If adjustable, lowest setting.
Overall Height1440 mm (56.7 inches)
Overall Length2190 mm (86.2 inches)
Overall Width750 mm (29.5 inches)
Fuel Capacity12.00 litres (3.17 US gallons)
Other
StarterElectric
Color OptionsBlack, blue, grey, white
InstrumentsColor LCD instrument panel
LightLED lights
Carrying CapacityUnderseat storage
Notes
Windsceen. Traction control. USB charging. 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.
