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Honda CRF450RL 2021 Owner's Manual & Off-Road Handbook page 35

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MAINTENANCE SCHEDULE - ON-ROAD USE
Perform the PRE-RIDE INSPECTION in the Owner's Manual at each scheduled maintenance period.
I: Inspect and clean, adjust, lubricate or replace if necessary. C: Clean. R: Replace. A: Adjust. L: Lubricate.
The following items require some mechanical knowledge. Certain items (particularly those marked * and **) may require more
technical information and tools. Consult a dealer.
FREQUENCY WHICHEVER
ITEMS
* FUEL LINE
** FUEL FILTER
* THROTTLE OPERATION
* AIR CLEANER
CRANKCASE BREATHER
SPARK PLUG
* VALVE CLEARANCE
ENGINE OIL
ENGINE OIL FILTER
* DECOMPRESSOR SYSTEM
** ENGINE IDLE SPEED
** INTAKE/EXHAUST VALVE
** PISTON AND PISTON RINGS
** PISTON PIN
** CRANKSHAFT
** CRANKSHAFT BEARING
** CAM CHAIN TENSIONER
LIFTER
** TRANSMISSION
RADIATOR COOLANT
* COOLING SYSTEM
* SECONDARY AIR SUPPLY
SYSTEM
* EVAPORATIVE EMISSION
CONTROL SYSTEM
DRIVE CHAIN
DRIVE CHAIN SLIDER
BRAKE FLUID
BRAKE PADS WEAR
BRAKE SYSTEM
BRAKE LIGHT SWITCH
* HEADLIGHT AIM
CLUTCH SYSTEM
SIDESTAND
* SUSPENSION
*
SPARK ARRESTER
* NUTS, BOLTS, FASTENERS
** WHEELS/TIRES
** STEERING HEAD BEARINGS
* Should be serviced by a dealer, unless the owner has proper tools and service data and is mechanically qualified.
** In the interest of safety, we recommend these items be serviced only by a dealer.
NOTES:
1. At higher odometer reading, repeat at the frequency interval established here.
2. Service more frequently when riding in unusually wet or dusty areas.
3. Service more frequently when riding in rain or at full throttle.
4. 50 STATE (meets California)
5. Service more frequently when riding OFF-ROAD.
6. USA only
7.
Replacement requires mechanical skill.
INITIAL
COMES FIRST
MAINTENANCE
mile
100
km
150
MONTH
1
NOTE 2
NOTE 3
I
NOTE 7
I
NOTE 4
NOTE 5
I, L
NOTE 7
I
I
NOTE 6
C: Every 1000 mi (1600 km) or every 100 operating
NOTE 5
I
NOTE 5
I
I
REGULAR MAINTENANCE
INTERVAL (NOTE 1)
600 1200 1800 2400 3000 3600
1000 2000 3000 4000 5000 6000
4
8
12
16
20
I
R
I
C
C
C
C
C
I
I
I
I
I
I
I
R
R
R
R
R
R
R
R
R
R
I
I
I
I
I
I
R: Every 19000 mi (30000 km)
I: Every 19000 mi (30000 km)
I
I
I
I
I
I
I
I, L: Every 300 mi (500 km) or 3 month
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
hours
I
I
I
I
I
I
I
Maintenance
REFER
REGULAR
TO
REPLACE
PAGE
24
I
2-10
R
2-13
I
2-18
C
3 years
2-18
I
2-20
I
2-23
I
2-24
R
2-32
R
2-34
I
2-24
I
2-35
2-35
2-35
I
3 years
2-44
I
2-46
I
I
2-47
I
2-50
R
2 years
2-52
I
2-53
I
2-54
I
2-55
I
2-55
I
2-55
I
2-62
I
2-62
2-81
I
2-82
I
2-82
I
2-82
2-9

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