Honda CRF450RX 2020 User Manual

Technical Information
Technical Information 171
Technical Information
This section contains dimensions, capacities, and
other technical data.
Vehicle Identification.....................................172
Serial Numbers ..........................................172
Specifications.................................................173
Torque Specifications ....................................175
Nuts, Bolts, Fasteners ................................175
Oxygenated Fuels...........................................178
Competition Logbook....................................179
Optional Parts List .........................................181
Spare Parts & Equipment...............................182
Spare Parts .................................................182
General Tools.............................................182
Honda Special Tools..................................182
Chemical Products.....................................182
Other Products ...........................................182
Wiring Diagram .............................................183

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