These are the known mechanical and performance specifications for your 2010 Keeway Matrix 50.
Basic Specs

Engine
Displacement49.26 ccm (3.01 cubic inches)
Type
DetailsSingle cylinder, two-stroke
Max RPM
Compression7.2:1
Bore/Stroke40.3 x 39.0 mm (1.6 x 1.5 inches)
Valves/Cylinder
FuelingCarburettor
IgnitionCDI
Exhaust
Lubrication
CoolingAir
Performance
Horespower2.95 HP (2.2 kW)
Torque3.40 Nm (0.3 kgf-m or 2.5 ft.lbs)
Top Speed45.0 km/h (28.0 mph)
Fuel Economy & Polution
Fuel Consumption2.00 litres/100 km (50.0 km/l or 117.61 mpg)
Fuel Capacity4.80 litres (1.27 gallons)
Emissions46.4 CO2 g/km. (CO2 - Carbon dioxide emission)
Chassis
Frame Type
Rake
Trail
Front Suspension
Front Travel
Rear Suspension
Rear Travel
Seat
Seat Height
Alt. Seat Height
Total Height1,270 mm (50.0 inches)
Total Length1,830 mm (72.0 inches)
Total Width690 mm (27.2 inches)
Ground Clearance90 mm (3.5 inches)
Wheelbase1,270 mm (50.0 inches)
Dry Weight93.0 kg (205.0 pounds)
Wet Weight96.0 kg (211.6 pounds)
Wheels & Brakes
Front Tire/Tyre120/70-12
Rear Tire/Tyre130/70-12
Front BrakesSingle disc
Front Brake Diameter
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter
Wheels
Comments