These are the known mechanical and performance specifications for your 2021 BMW C 400 X.
Basic Specs

Engine
Displacement350.0 ccm (21.36 cubic inches)
Type
DetailsSingle cylinder, four-stroke
Max RPM
Compression11.5:1
Bore/Stroke80.0 x 69.5 mm (3.1 x 2.7 inches)
Valves/Cylinder4
FuelingInjection
IgnitionBMS-E2 digital engine management
ExhaustStainless Steel
LubricationWet sump
CoolingLiquid
Drivetrain
GearboxAutomatic
Final Drive
ClutchCentrifugal dry clutch
DrivelineChain drive in oil bath
Performance
Horespower34.0 HP (24.8 kW) @ 7500 RPM
Torque35.0 Nm (3.6 kgf-m or 25.8 ft.lbs) @ 6000 RPM
Top Speed139.0 km/h (86.4 mph)
Fuel Economy & Polution
Fuel Consumption3.50 litres/100 km (28.6 km/l or 67.21 mpg)
Fuel Capacity12.80 litres (3.38 US gallons)
Emissions81.2 CO2 g/km. (CO2 - Carbon dioxide emission)
Chassis
Frame TypeTubular steel with die-cast aluminum sections
Rake26.4 deg
Trail81 mm (3.2 inches)
Front SuspensionTelescopic front fork, Ø 35 mm
Front Travel110 mm (4.3 inches)
Rear SuspensionDouble aluminum swingarm, double springs struts, adjustable preload
Rear Travel112 mm (4.4 inches)
Seat
Seat Height775 mm (30.5 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1305 mm (51.4 inches)
Total Length2210 mm (87.0 inches)
Total Width835 mm (32.9 inches)
Ground Clearance
Wheelbase1565 mm (61.6 inches)
Dry Weight193.0 kg (425.5 pounds)
Wet Weight204.0 kg (449.7 pounds)
Wheels & Brakes
Front Tire/Tyre120/70-ZR15
Rear Tire/Tyre150/70-ZR14
Front BrakesSingle disc. 4-piston calipers. ABS.
Front Brake Diameter265 mm (10.4 inches)
Rear BrakesSingle disc. 1-piston calipers. ABS.
Rear Brake Diameter265 mm (10.4 inches)
WheelsCast aluminum
Comments
Automatic Stability Control