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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 race 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
CRF450RX
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
Ref. Page
FUEL LINE (NOTE 6) I R39
FUEL PUMP FILTER (NOTE 6) R 43 – 48
THROTTLE OPERATION I 58
AIR FILTER (NOTE 1) C 54, 55
CRANKCASE BREATHER I 56
SPARK PLUG I 65
VALVE CLEARANCE/DECOMPRESSOR SYSTEM (NOTE 4) I 66 – 74
ENGINE OIL
(NOTE 3)
(NOTE 5)
IR 50
ENGINE OIL FILTER (NOTE 3) R 50, 51
ENGINE IDLE SPEED I 59
PISTON AND PISTON RINGS R 77 – 79
PISTON PIN R 77 – 79
RADIATOR COOLANT (NOTE 2) I 52, 53
COOLING SYSTEM I 53
DRIVE CHAIN I, L R 111 – 113
DRIVE CHAIN SLIDER I 111
DRIVE CHAIN ROLLER I 112
DRIVE SPROCKET I 113
DRIVEN SPROCKET I 113
BRAKE FLUID (NOTE 2) I 104, 105
BRAKE PADS WEAR I 106
BRAKE SYSTEM I 103
CLUTCH SYSTEM (NOTE 5) I 60 – 64
CONTROL CABLES I, L 118
EXHAUST PIPE/MUFFLER I 114 – 117
SUSPENSION I 86, 102
SWINGARM/SHOCK LINKAGE L 29, 102
FORK OIL EXCEPT DAMPER (NOTE 3) R 89
– 90, 129
FORK OIL DAMPER R 95 – 99
NUTS, BO
LTS, FASTENERS I 119, 158 – 160
WHEELS/TIRES I 107 – 109
STEERING HEAD BEARINGS I 118
CAM CHAIN TENSIONER LIFTER R84
SIDE STAND I 110
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