These are the known mechanical and performance specifications for your 2021 Yamaha SZ.
Basic Specs

Engine
Displacement149.3 ccm (9.11 cubic inches)
TypeForward-inclined cylinder
DetailsSingle cylinder, four-stroke
Max RPM
Compression9.5:1
Bore/Stroke57.3 x 57.9 mm (2.3 x 2.3 inches)
Valves/Cylinder
FuelingCarburettor
IgnitionCDI
Exhaust
LubricationWet sump
CoolingAir
Performance
Horespower11.9 HP (8.7 kW) @ 7500 RPM
Torque12.8 Nm (1.3 kgf-m or 9.4 ft.lbs) @ 6000 RPM
Top Speed
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity14.00 litres (3.70 US gallons)
Emissions
Chassis
Frame TypeDiamond, tubular
Rake26.0 deg
Trail99 mm (3.9 inches)
Front SuspensionTelescopic Hydraulic
Front Travel
Rear SuspensionSwingarm
Rear Travel
Seat
Seat Height800 mm (31.5 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1100 mm (43.3 inches)
Total Length1990 mm (78.3 inches)
Total Width750 mm (29.5 inches)
Ground Clearance165 mm (6.5 inches)
Wheelbase1320 mm (52.0 inches)
Dry Weight
Wet Weight133.0 kg (293.2 pounds)
Wheels & Brakes
Front Tire/Tyre2.75-17
Rear Tire/Tyre100/90-17
Front BrakesSingle disc. Hydraulic.
Front Brake Diameter130 mm (5.1 inches)
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter
Wheels
Comments
Sold in India.