Honda CRF450RX 2020 User Manual

Vehicle Identification
172 Technical Information
Vehicle Identification
The VIN and engine serial number are required
when you register your CRF. They may also be
required when ordering replacement parts. You
may record these numbers in the Quick Reference
section at the rear of this manual.
The VIN (vehicle identification number) (1) is
stamped on the right side of the steering head.
The engine number (2) is stamped on the right
crankcase.
Serial Numbers
(1) VIN
(1)
(2
) en
gine number
(2)

Honda CRF450RX 2020 Specifications

General

Engine Type	449cc liquid-cooled single-cylinder four-stroke
Bore x Stroke	96.0mm x 62.1mm
Compression Ratio	13.5:1
Induction	Programmed Fuel Injection (PGM-FI), 46mm throttle body
Ignition	Full transistorized ignition
Transmission	5-speed
Final Drive	Chain
Front Brake	Single 260mm disc with twin-piston caliper
Rear Brake	Single 240mm disc
Front Tire	80/100-21
Rear Tire	120/80-18
Wheelbase	58.3 inches
Seat Height	37.8 inches
Ground Clearance	12.9 inches
Starter	Electric
Trail	4.6 inches
Front Suspension	49mm inverted fork with rebound and compression damping adjustability; 12.0 inches travel
Rear Suspension	12.4 inches of travel
Valve Train	Unicam, four-valve