These are the known mechanical and performance specifications for your 2015 WT Motors Miami Grandvolum.
Basic Specs

Engine
Displacement244.00 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
Drivetrain
GearboxAutomatic
Final DriveShaft drive (cardan)
ClutchCentrifugal
Driveline
Performance
Horespower14.75 HP (10.8 kW)
Torque19.00 Nm (1.9 kgf-m or 14.0 ft.lbs)
Top Speed
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity12.00 litres (3.17 gallons)
Emissions
Chassis
Frame TypeSteel
Rake
Trail
Front SuspensionConventional fork
Front Travel
Rear SuspensionDual shock
Rear Travel
SeatTwo-person seat
Seat Height790 mm (31.1 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1,410 mm (55.5 inches)
Total Length2,070 mm (81.5 inches)
Total Width735 mm (28.9 inches)
Ground Clearance
Wheelbase1,450 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
Wheels
Comments
Italian brand.