Honda CRF450R 2023 User Manual

Perform the Pre-ride Inspection (2 P. 42) at each scheduled maintenance period.
FREQUENCY
ITEMS
NOTE
CRF450R/RWE
Each race or
about 2.5 hours
Every 3 races or
about 7.5 hours
Every 6 races or
about 15.0 hours
Every 9 races or
about 22.5 hours
Every 12 races or
about 30.0 hours
CRF450RX
Each race or
about 3.5 hours
Every 2 races or
about 7.5 hours
Every 4 races or
about 15.0 hours
Every 6 races or
about 22.5 hours
Every 8 races or
about 30.0 hours
Fuel Line NOTE 6
Fuel Pump Filter
NOTE 6
Throttle Operation
Air Filter
NOTE 1
Crankcase Breather
Spark Plug
Valve Clearance/Decompressor
System
NOTE 4
Engine Oil
NOTE 3, 5
Engine Oil Filter
NOTE 3
Engine Idle Speed
WE RECOMMEND THESE ITEMS BE SERVICED BY REFERRING TO THE OFFICIAL HONDA SHOP
MANUAL.
This maintenance schedule is based upon average riding condition. Machine subjected to severe use
require more frequent servicing.
Maintenance Legend
:
:
:
:
Inspect (clean, adjust, lubricate, or replace, if necessary)
Lubricate
Replace
Clean
20230714150511_42MKE6210_eng_BOOK Page 46 Friday, July 14 2023 15:07:32 JST
Maintenance Schedule
Maintenance
39
Continued

Honda CRF450R 2023 Specifications

General

Bore x Stroke	96.0mm x 62.1mm
Compression Ratio	13.5:1
Ignition	Full transistorized
Transmission	5-speed
Final Drive	#520 Chain; 13T/49T
Front Brake	Single 260mm disc with twin-piston caliper
Rear Brake	Single 240mm disc
Front Tire	80/100-21
Rear Tire	120/80-19
Wheelbase	58.3 inches
Seat Height	37.8 inches
Curb Weight	245 pounds
Fuel Capacity	1.7 gallons
Ground Clearance	13.2 inches
Engine Type	Single-cylinder four-stroke
Induction	Programmed Fuel Injection (PGM-FI)
Front Suspension	49mm inverted Showa fork with rebound and compression damping adjustability; 12.2 inches of travel
Rear Suspension	Pro-Link Showa single shock with rebound and compression damping adjustability; 12.4 inches of travel