2020 Honda CRF450R Specifications

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Make ModelHonda CRF450R
Year2020
Full Model Name2020 Honda CRF 450 R
EngineLiquid cooled, 4-stroke, 1 cylinder, SOHC, 4 valves
Displacement449.77cc
Bore x Stroke96mm x 62.14mm
Compression Ratio13.5:1
InductionType: EFI; Bore size: Ø 46mm
StartingElectric Start
Max Power45.34KW (60.8hp) @ 9,500RPM
Transmission / Drive5 Speeds / Chain
Front SuspensionØ 49mm forks, 305mm (12″) wheel travel
Rear SuspensionPro-Link Showa single shock with adjustable spring preload, rebound and compression damping adjustability; 12.3 inches of travel, 312mm (12.3″) wheel travel
Front BrakesType: Disc 1 disc, Ø 260mm, 2 piston calipers
Rear BrakesType: Disc 1 disc, Ø 240mm, 1 piston caliper
Front Wheel80/100-21 80/100-21 51M DUNLOP MX3SF
Rear Wheel120/80-19 120/80-19 63M DUNLOP MX3S
Seat Height960mm (37.8″)
Fuel Capacity6.3L (1.66gal.)
Top Speed128.75km/h (80mph)
Idle Speed RPM2,000+/-100
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Bike2020 Honda CRF450R
Standard Maintenance Interval7.5hrs
Engine Oil Change Interval15hrs
Initial Valve Check15hrs
Periodic Valve Check15hrs
Engine Oil Capacity With Filter Change1.04L (0.275gal.)
More on Engine OilPro Honda GN4 4-stroke oil engine. SAE 10W-30/SAE 10W-40
Idle Speed RPM2,000 +/- 100
Coolant Capacity1.13L (0.299gal.) or 1.07L (0.283gal.) at draining
SparksNGK SILMAR9A-9S (Standart)/NGK SILMAR10A-9S (Racing)
Spark Plug Gap0.8 – 0.9mm
Final DriveType: Chain 520 RK520TXZ/114RJ Final Drive Ratio: 13 / 49
Fork OilLevel: Capacity: 356cc +
Front Wheel80/100-21 80/100-21 51M DUNLOP MX3SF
Front Wheel Pressure (solo/dual riding)15psi (1.03bar, 103.42kPa)
Rear Wheel120/80-19 120/80-19 63M DUNLOP MX3S
Rear Wheel Pressure (solo/dual riding)15psi (1.03bar, 103.42kPa)
Throttle Grip Free Play2 (0.08) – 6mm (0.24″)
Clutch Lever Free Play10 (0.39) – 20mm (0.79″)
Drive Chain Slack35 (1.38) – 45mm (1.77″)
Engine Oil Drain Bolt Torque18N·m (13.28ft·lbf)
Engine Oil Filter Torque10N·m (7.38ft·lbf)
Front Axle Pinch Bolt Torque20N·m (14.75ft·lbf)
Front Axle Bolt Torque88N·m (64.91ft·lbf)
Front Brake Disc Bolt Torque16N·m (11.8ft·lbf)
Front Brake Caliper Mounting Bolt Torque30N·m (22.13ft·lbf)
Rear Axle Bolt Torque128N·m (94.41ft·lbf)
Rear Brake Disc Bolt Torque16N·m (11.8ft·lbf)
Drive Sprocket Bolt/Nut Torque31N·m (22.86ft·lbf)
Driven Sprocket Bolt/Nut Torque32N·m (23.6ft·lbf)