These are the known mechanical and performance specifications for your 2021 WT Motors Miami Grandvolum 250.
Basic Specs

Engine
Displacement244.0 ccm (14.89 cubic inches)
Type
DetailsSingle cylinder, four-stroke
Max RPM
Compression10.0:1
Bore/Stroke72.0 x 80.0 mm (2.8 x 3.1 inches)
Valves/Cylinder
FuelingCarburettor
Ignition
Exhaust
Lubrication
CoolingLiquid
Performance
Horespower14.8 HP (10.8 kW) @ 7000 RPM
Torque19.0 Nm (1.9 kgf-m or 14.0 ft.lbs) @ 3250 RPM
Top Speed
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity12.00 litres (3.17 US gallons)
Emissions
Chassis
Frame TypeUnderbone
Rake
Trail
Front SuspensionTelescopic fork
Front Travel
Rear SuspensionDual shock
Rear Travel
SeatTwo-person seat
Seat Height780 mm (30.7 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1410 mm (55.5 inches)
Total Length2070 mm (81.5 inches)
Total Width735 mm (28.9 inches)
Ground Clearance
Wheelbase1450 mm (57.1 inches)
Dry Weight130.0 kg (286.6 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre130/60-13
Rear Tire/Tyre130/60-13
Front BrakesSingle disc
Front Brake Diameter
Rear BrakesSingle disc
Rear Brake Diameter
WheelsAlloy rims, 3-spoke
Comments
Windscreen. Italian scooter and ATV brand.