Honda CRF450RX 2020 User Manual

74 Servicing Your Honda
Clutch System
• Check that the clutch lever assembly is
positioned properly (the end of the holder (1) is
aligned with the paint mark (2) on the
handlebar) and the securing bolts are tight.
• Check the clutch cable for kinks or signs of
wear. If necessary, have it replaced.
1. Check for smooth clutch lever operation. If
necessary, lubricate the clutch lever pivot bolt
sliding surface with grease and/or clutch cable
with commercially available cable lubricant.
2. Check the clutch cable for deterioration, kinks,
or damage.
Check for smooth clutch lever operation. If
necessary, apply multi-purpose grease to sliding
surface of the clutch cable ends.
1. Release the dust cover (1).
2. Turn the adjuster (2) and remove the clutch
cable (3).
3. Disconnect the clutch cable end from the
clutch lever (4).
4. Thoroughly lubricate the clutch cable end (5)
with multi-purpose grease.
5. Connect the clutch cable end to the lever.
6. Install the clutch cable and turn the adjuster.
7. Remove the clutch cable end adjuster (6).
8. Apply multi-purpose grease to the clutch cable
end adjuster inside surface.
9. Recheck clutch lever freeplay and adjust as
necessary (page 73).
If the clutch lever operation is not smooth, replace
the clutch cable.
Other Inspections
(1) holder
(2) paint mark
Clutch Operation
(1)
(2)
Clutch Cable Lubrication
(1) dust cover (4) clutch lever
(2) adjuster (5) clutch cable end
(3) clutch cable
(1)
(2)
(3) (5) (4)
(6) clutch cable end adjuster
(6)

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