These are the known mechanical and performance specifications for your 2021 Yamaha YZ250F.
Basic Specs

Engine
Displacement250.0 ccm (15.26 cubic inches)
TypeTitanium-valves
DetailsSingle cylinder, four-stroke
Max RPM
Compression13.8:1
Bore/Stroke77.0 x 53.6 mm (3.0 x 2.1 inches)
Valves/Cylinder4
FuelingInjection. Mikuni, 44mm
IgnitionTCI: Transistor Controlled Ignition
Exhaust
LubricationWet sump
CoolingLiquid
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity6.06 litres (1.60 US gallons)
Emissions
Chassis
Frame TypeBilateral beam aluminum frame
Rake26.0 deg
Trail119 mm (4.7 inches)
Front SuspensionKYB speed-Sensitive System, inverted fork: fully adjustable
Front Travel310 mm (12.2 inches)
Rear SuspensionKYB fully adjustable single shock
Rear Travel318 mm (12.5 inches)
Seat
Seat Height970 mm (38.2 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1285 mm (50.6 inches)
Total Length2174 mm (85.6 inches)
Total Width826 mm (32.5 inches)
Ground Clearance335 mm (13.2 inches)
Wheelbase1476 mm (58.1 inches)
Dry Weight
Wet Weight106.1 kg (234.0 pounds)
Wheels & Brakes
Front Tire/Tyre80/100-21
Rear Tire/Tyre100/90-19
Front BrakesSingle disc. Hydraulic.
Front Brake Diameter270 mm (10.6 inches)
Rear BrakesSingle disc. Hydraulic.
Rear Brake Diameter245 mm (9.6 inches)
WheelsBridgestone® Battlecross tyres
Comments
Power Tuner app.