Maintenance Schedule
Servicing Your Honda 25
Perform the Pre-ride Inspection (page 13) 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.
NOTE: 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.
FREQUENCY
ITEMS
CRF450R
NOTE
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
Ref. Page
FUEL LINE (NOTE 6) I R38
FUEL PUMP FILTER (NOTE 6) R 42 – 47
THROTTLE OPERATION I 57
AIR FILTER (NOTE 1) C 53, 54
CRANKCASE BREATHER I 55
SPARK PLUG I 64
VALVE CLEARANCE/DECOMPRESSOR SYSTEM (NOTE 4) I 65 – 73
ENGINE OIL
(NOTE 3)
(NOTE 5)
IR 49
ENGINE OIL FILTER (NOTE 3) R 49, 50
ENGINE IDLE SPEED I 58
PISTON AND PISTON RINGS R 76 – 78
PISTON PIN R 76 – 78
RADIATOR COOLANT (NOTE 2) I 51, 52
COOLING SYSTEM I 52
DRIVE CHAIN I, L R 109 – 111
DRIVE CHAIN SLIDER I 109
DRIVE CHAIN ROLLER I 110
DRIVE SPROCKET I 111
DRIVEN SPROCKET I 111
BRAKE FLUID (NOTE 2) I 103, 104
BRAKE PADS WEAR I 105
BRAKE SYSTEM I 102
CLUTCH SYSTEM (NOTE 5) I 59 – 63
CONTROL CABLES I, L 116
EXHAUST PIPE/MUFFLER I 112 – 115
SUSPENSION I 85, 101
SWINGARM/SHOCK LINKAGE L
29, 101
FORK OI
L EXCEPT DAMPER (NOTE 3) R 88 – 89, 125
FORK OIL DAMPER R 94 – 98
NUTS,
BOLTS, FASTENERS I 117, 150 – 152
WHEELS/TIRES I 106 – 108
STEERING HEAD BEARINGS I 116
CAM CHAIN TENSIONER LIFTER R83
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