These are the known mechanical and performance specifications for your 2021 QJmotor QJ750-7.
Basic Specs

Engine
Displacement753.0 ccm (45.95 cubic inches)
Type
DetailsTwin, four-stroke
Max RPM
Compression11.5:1
Bore/Stroke
Valves/Cylinder4
FuelingInjection
IgnitionTCI
Exhaust
LubricationForced/Splash
CoolingLiquid
Performance
Horespower80.5 HP (58.7 kW) @ 11000 RPM
Torque55.0 Nm (5.6 kgf-m or 40.6 ft.lbs) @ 8000 RPM
Top Speed
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity15.00 litres (3.96 US gallons)
Emissions
Chassis
Frame TypeTrellis, Steel and Alloy
Rake
Trail
Front SuspensionTelescopic
Front Travel125 mm (4.9 inches)
Rear SuspensionUnit Swing
Rear Travel45 mm (1.8 inches)
Seat
Seat Height800 mm (31.5 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1080 mm (42.5 inches)
Total Length2140 mm (84.3 inches)
Total Width790 mm (31.1 inches)
Ground Clearance150 mm (5.9 inches)
Wheelbase1460 mm (57.5 inches)
Dry Weight228.0 kg (502.7 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre120/70-17
Rear Tire/Tyre180/55-17
Front BrakesSingle disc. Hydraulic. ABS.
Front Brake Diameter320 mm (12.6 inches)
Rear BrakesSingle disc. Hydraulic. ABS.
Rear Brake Diameter260 mm (10.2 inches)
Wheels
Comments
The Chinese firm QJMotor is owned by Qianjiang that has bought Benelli.