2021 Honda CRF250RX Specifications

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Make ModelHonda CRF250RX
Year2021
Full Model Name2021 Honda CRF 250 RX
EngineLiquid cooled, 4-stroke, 1 cylinder, DOHC, 4 valves
Displacement249.43cc
Bore x Stroke79mm x 50.89mm
Compression Ratio13.9:1
InductionType: EFI; Bore size: Ø 44mm
StartingElectric Start
Max Power28.49KW (38.2hp) @ 11,900RPM
Transmission / Drive5 Speeds / Chain
Front SuspensionØ 49mm forks, wheel travel
Rear SuspensionPro-Link® system; fully adjustable Showa single shock, wheel travel
Front BrakesType: Disc 1 disc, Ø 260mm, 2 piston calipers
Rear BrakesType: Disc 1 disc, Ø 240mm, 1 piston caliper
Front Wheel90/90-21 90/90-21 54M DUNLOP AT81F
Rear Wheel110/100-18 110/100-18 64M DUNLOP AT81
Seat Height961mm (37.8″)
Fuel Capacity8.5L (2.25gal.)
Top Speed125.53km/h (78mph)
Idle Speed RPM2,000+/-100
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Bike2021 Honda CRF250RX
Standard Maintenance Interval7.5hrs
Engine Oil Change Interval15hrs
Initial Valve Check15hrs
Periodic Valve Check15hrs
Engine Oil Capacity With Filter Change1.12L (0.296gal.)
More on Engine OilSAE 10W-30, JASO T 903 standard MA, Pro Honda GN4 4-stroke oil (USA & Canada) or Honda 4-stroke oil, or an equivalent motorcycle oil
Idle Speed RPM2,000 +/- 100
Coolant Capacity1.09L (0.288gal.) or 0.94L (0.248gal.) at draining
SparksNGK R0451B-9
Spark Plug Gap0.6 – 0.7mm
Final DriveType: Chain 520 Final Drive Ratio: 13 / 48
Front Wheel90/90-21 90/90-21 54M DUNLOP AT81F
Front Wheel Pressure (solo/dual riding)15psi (1.03bar, 103.42kPa)
Rear Wheel110/100-18 110/100-18 64M DUNLOP AT81
Rear Wheel Pressure (solo/dual riding)15psi (1.03bar, 103.42kPa)