Honda CRF450RX 2020 User Manual

Maintenance Component Locations
Servicing Your Honda 33
Maintenance Component Locations
clutch lever
front brake fluid reservoir
front brake lever
throttle grip
radiator cap
fuel fill cap
rear suspension rebound
damping adjuster
• rear suspension high speed
compression damping adjuster
• rear suspension low speed
compression damping adjuster
front suspension
compression damping
adjuster (both left and
right)
fast idle knob
(engine idle speed)
engine oil filter
crankcase breather
tube
drive chain
front brake
caliper
engine oil
fill cap
air cleaner
rear suspension spring
pre-load adjuster
spark plug
engine oil
drain bolt
rear brake
pedal
rear brake fluid
reservoir
rear brake
caliper
front suspension rebound damping
adjuster (both left and right)
battery

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