Honda CRF450X 2021 Manual page 46

MAINTENANCE SCHEDULE – COMPETITION USE
All items should be checked before each off-road event. See your dealer unless you are
mechanically qualified and have the proper tools.
Damage from Competition use is not covered by the Distributor's Limited Warranty on
your Honda.
Perform the Pre-ride Inspection (2 P. 48) at each scheduled maintenance period.
Items
Fuel Line
Fuel Pump Filter
Throttle Operation
Air Cleaner
Crankcase Breather
Spark Plug
Valve Clearance/Decompressor System
WE RECOMMEND THESE ITEMS BE SERVICED BY REFERRING TO THE OFFICIAL HONDA SERVICE
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
Frequency Each race or
NOTE
about 3.5 hours
(NOTE 6)
(NOTE 6)
(NOTE 1)
(NOTE 7)
(NOTE 4)
Every 2 races or Every 4 races or
about 7.5 hours about 15.0 hours
Maintenance Schedule
Every 6 races or Every 8 races or
about 22.5 hours about 30.0 hours
Continued
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