User Manual - Page 40

For 2019 CRF450X.

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Maintenance Schedule
34 Servicing Your Honda
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 (page 17) at each scheduled maintenance period.
I: Inspect and Clean, Adjust, Lubricate or Replace if necessary. C: Clean. R: Replace. A: Adjust. L: Lubricate.
WE RECOMMEND THESE ITEMS BE SERVICED BY REFERRING TO AN OFFICIAL HONDA SERVICE MANUAL.
This maintenance schedule is based upon average riding condition. Machine subjected to severe use require more frequent servicing.
NOTES:1.Clean after every moto for dusty riding condition.
2.Replace every 2 years. Replacement requires mechanical skill.
3.Replace after the first break-in ride.
4.Inspect after the first break-in ride.
5.Replace the engine oil, if the clutch discs and plates are replaced.
6.Replace every year.
7.Replace 3 years.
FREQUENCY
ITEMS
NOTE
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
Refer to Page:
FUEL LINE (NOTE 6) I R55
FUEL PUMP FILTER (NOTE 6) R 57 – 61
THROTTLE OPERATION I 73
AIR CLEANER
(NOTE 1)
(NOTE 7)
C 69, 70
CRANKCASE BREATHER I 71
SPARK PLUG I 80
VALVE CLEARANCE/DECOMPRESSOR SYSTEM (NOTE 4) I 81 – 89
ENGINE OIL (NOTE 3) I R 64, 65
ENGINE OIL FILTER (NOTE 3) R 64, 65
ENGINE IDLE SPEED I 74
PISTON AND PISTON RINGS R 92 – 94
PISTON PIN R 92 – 94
RADIATOR COOLANT (NOTE 2) I 66, 68
COOLING SYSTEM I 67
DRIVE CHAIN I, L R 124 – 126
DRIVE CHAIN SLIDER I 124
DRIVE CHAIN ROLLER I 125
DRIVE SPROCKET I 126
DRIVEN SPROCKET I 126
BRAKE FLUID (NOTE 2) I 117, 118
BRAKE PADS WEAR I 119
BRAKE SYSTEM I 116
CLUTCH SYSTEM I 75 – 79
CONTROL CABLES I, L 131
EXHAUST PIPE/MUFFLER I 127 – 129
SUSPENSION I 99, 115
SWINGARM/SHOCK LINKAGE L 39, 115
FORK OIL R 102, 103, 109 – 115
NUTS, BOLTS, FASTENERS I 132, 170 – 172
WHEELS/TIRES I
120 – 122
STEERI
NG HEAD BEARINGS I131
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