Honda CRF450L 2019 User Manual

Technical Information
Technical Information 177
This section contains dimensions, capacities, and
other te
chnical data, plus information on
government requirements.
Vehicle Identification.....................................178
Serial Numbers ..........................................178
Specifications.................................................179
Torque Specifications ....................................181
Nuts, Bolts, Fasteners ................................181
Emission Control Systems .............................184
Exhaust Emission Requirements ...............184
Noise Emission Requirements...................184
Exhaust Emission Control System.............184
Evaporative Emission Control System ......184
Crankcase Emission Control System.........184
Fuel Permeation Emission Control System ...184
Noise Emission Requirements...................184
Problems Affecting Motorcycle Exhaust
Emissions ...................................................185
Catalytic Converter ........................................186
Oxygenated Fuels...........................................187
Off-Road Logbook.........................................188
Optional Parts List .........................................190
Spare Parts & Equipment...............................191
Spare Parts .................................................191
General Tools.............................................191
Honda Special Tools..................................191
Chemical Products .....................................191
Other Products ...........................................191
Wiring Diagram .............................................192

Honda CRF450L 2019 Specifications

General

Engine Type	449cc liquid-cooled single-cylinder four-stroke
Bore x Stroke	96.0mm x 62.1mm
Compression Ratio	12.0:1
Fuel System	Programmed Fuel Injection (PGM-FI), 46mm throttle body
Transmission	6-speed
Rear Brake	Single 240mm disc
Front Tire	80/100-21
Rear Tire	120/80-18
Rake (Caster Angle)	28.5°
Wheelbase	58.9 inches
Seat Height	37.1 inches
Fuel Capacity	2.0 gallons
Ignition	Full transistorized ignition
Ground Clearance	12.4 inches
Front Suspension	49mm inverted fork; 12.0 inches of travel
Rear Suspension	Pro-Link Showa single shock, adjustable spring preload, compression and rebound damping
Front Brake	Single 260mm disc
Curb Weight	289 pounds
Valve Train	Unicam four-valve
Final Drive	Chain
Trail	4.6 inches (118mm)