These are the known mechanical and performance specifications for your 2021 Honda CRF450RL.
Basic Specs
Engine
Displacement449.0 ccm (27.40 cubic inches)
Type38mm intake valve, titanium; 31mm exhaust, steel
DetailsSingle cylinder, four-stroke
Max RPM
Compression12.0:1
Bore/Stroke96.0 x 62.1 mm (3.8 x 2.4 inches)
Valves/Cylinder4
FuelingInjection. Programmed Fuel Injection (PGM-FI), 46mm downdraft throttle body
IgnitionDC-CDI
ExhaustTwin-muffler
Lubrication
CoolingLiquid
Drivetrain
Gearbox6-speed
Final Drive
ClutchMulti plate wet
Driveline#520 Chain; 13T/51T
Performance
Horespower53.0 HP (38.7 kW) @ 9000 RPM
Torque48.0 Nm (4.9 kgf-m or 35.4 ft.lbs) @ 7000 RPM
Top Speed170.0 km/h (105.6 mph)
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity7.57 litres (2.00 US gallons)
Emissions
Chassis
Frame TypeAluminium twin tube
Rake28.3 deg
Trail122 mm (4.8 inches)
Front Suspension49mm leading-axle inverted telescopic Showa coil-spring fork with rebound and compression damping adjustability
Front Travel305 mm (12.0 inches)
Rear SuspensionPro-Link Showa single shock with adjustable spring preload, rebound and compression damping adjustability
Rear Travel300 mm (11.8 inches)
Seat
Seat Height945 mm (37.2 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1271 mm (50.0 inches)
Total Length2191 mm (86.3 inches)
Total Width827 mm (32.6 inches)
Ground Clearance320 mm (12.6 inches)
Wheelbase1496 mm (58.9 inches)
Dry Weight
Wet Weight131.1 kg (289.0 pounds)
Wheels & Brakes
Front Tire/Tyre80/100-21
Rear Tire/Tyre120/80-18
Front BrakesSingle disc. Hydraulic. Two-piston calipers.
Front Brake Diameter260 mm (10.2 inches)
Rear BrakesSingle disc. Hydraulic. Single-piston caliper.
Rear Brake Diameter240 mm (9.4 inches)
WheelsIRC GP21 and GP22 tires
Comments
Model id: CRF450L