These are the known mechanical and performance specifications for your 2022 Yamaha PW50.
Basic Specs

Engine
Displacement49.0 ccm (2.99 cubic inches)
TypeReed-valve
DetailsSingle cylinder, two-stroke
Max RPM
Compression6.0:1
Bore/Stroke40.0 x 39.2 mm (1.6 x 1.5 inches)
Valves/Cylinder
FuelingCarburettor. Mikuni VM12
IgnitionCDI
Exhaust
LubricationSeparate 2-stroke oil tank
CoolingAir
Drivetrain
GearboxAutomatic
Final Drive
ClutchWet centrifugal automatic clutch
Driveline
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity2.01 litres (0.53 US gallons)
Emissions
Chassis
Frame TypeSteel tube backbone
Rake25.5 deg
Trail50 mm (2.0 inches)
Front SuspensionTelescopic fork 26mm
Front Travel61 mm (2.4 inches)
Rear SuspensionUnit swingarm
Rear Travel51 mm (2.0 inches)
Seat
Seat Height475 mm (18.7 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height706 mm (27.8 inches)
Total Length1245 mm (49.0 inches)
Total Width610 mm (24.0 inches)
Ground Clearance94 mm (3.7 inches)
Wheelbase856 mm (33.7 inches)
Dry Weight
Wet Weight41.0 kg (90.4 pounds)
Wheels & Brakes
Front Tire/Tyre2.50-10
Rear Tire/Tyre2.50-10
Front BrakesExpanding brake (drum brake)
Front Brake Diameter
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter
Wheels3-spoke
Comments
Intended for children. Easy-to-adjust throttle limiter.