2009-2018 Kawasaki KX450FMaintenance schedule
Motocross - 450cc four-stroke
Scheduled against races ridden or engine run-time hours, whichever comes first.
Verified
Open the hour meter toolEvery interval on this page was read directly from the OEM chart.
Intervals
- Each race or 2.5 hours
- Every 3 races or 7.5 hours
- Every 6 races or 15 hours
- Every 12 races or 30 hours
Full schedule (45 items)
| Item | Action | Interval |
|---|---|---|
Air cleaner element-clean † | Clean | Every 2.5 hrs |
Brake adjustment-inspect † | Inspect | Every 2.5 hrs |
Brake fluid level-inspect † | Inspect | Every 2.5 hrs |
Brake-pad wear-inspect | Inspect | Every 2.5 hrs |
Breather hose-inspect | Inspect | Every 2.5 hrs |
Cable-inspect | Inspect | Every 2.5 hrs |
Clutch cable-inspect and adjust | Adjust | Every 2.5 hrs |
Clutch plates-inspect † | Inspect | Every 2.5 hrs |
Coolant-inspect † | Inspect | Every 2.5 hrs |
Drive chain wear-inspect † | Inspect | Every 2.5 hrs |
Drive chain-inspect and adjust | Adjust | Every 2.5 hrs |
Drive chain-lubricate | Lubricate | Every 2.5 hrs |
Engine sprocket-inspect † | Inspect | Every 2.5 hrs |
Frame-inspect and clean | Clean | Every 2.5 hrs |
Front fork-inspect and clean | Clean | Every 2.5 hrs |
Fuel hose, connections-inspect † | Inspect | Every 2.5 hrs |
General Lubrication-perform | Inspect | Every 2.5 hrs |
I Spoke tightness and rim runout-inspect † | Inspect | Every 2.5 hrs |
Idle speed-inspect and adjust | Adjust | Every 2.5 hrs |
Kick pedal and shift pedal-clean | Clean | Every 2.5 hrs |
Muffler-inspect † | Inspect | Every 2.5 hrs |
Nuts, bolts, fasteners-inspect † | Inspect | Every 2.5 hrs |
Rear shock absorber-inspect | Inspect | Every 2.5 hrs |
Rear sprocket-inspect † | Inspect | Every 2.5 hrs |
S Brake hoses, connections-inspect † | Inspect | Every 2.5 hrs |
S Wheel bearing-inspect † | Inspect | Every 2.5 hrs |
Spark plug-clean, inspect † | Clean | Every 2.5 hrs |
Steering play-inspect † | Inspect | Every 2.5 hrs |
Throttle body-inspect and clean | Clean | Every 2.5 hrs |
Throttle cable-inspect and adjust | Adjust | Every 2.5 hrs |
Water hoses and connections-inspect † | Inspect | Every 2.5 hrs |
Wheels/tires-inspect | Inspect | Every 2.5 hrs |
Fuel system-clean | Clean | Every 7.5 hrs |
Muffler baffle-replace | Replace | Every 7.5 hrs |
Swingarm and Uni-Trak linkage pivots-inspect † | Inspect | Every 7.5 hrs |
Swingarm and Uni-Trak linkage pivots-lubricate | Lubricate | Every 7.5 hrs |
Crankshaft-inspect | Inspect | Every 15 hrs |
Engine oil-change | Replace | Every 15 hrs |
Front fork oil-change | Replace | Every 15 hrs |
N Cylinder head, cylinder-inspect | Inspect | Every 15 hrs |
N Valve clearance-inspect † | Inspect | Every 15 hrs |
Oil filter-replace | Replace | Every 15 hrs |
Rear shock absorber oil-change | Replace | Every 15 hrs |
Steering stem bearing-lubricate | Lubricate | Every 15 hrs |
I Piston pin-replace | Replace | Every 30 hrs |
Every row above is factory schedule, straight from the chart. Intervals are shown in hrs.
Legend
- periodic — Serviced at this interval (marked in the OEM chart)
From the manual
- Maintenance must be done in accordance with this chart to keep the motorcycle in good running condition.
- Items marked with a dagger in the manual require more mechanical skill; Kawasaki recommends a dealer perform them.
Source: Kawasaki KX450F Service Manual (P/N 99924-1410-03) · Chart read from the 2009 manual. Intervals change between model years — confirm against yours.
Always confirm intervals, torque specs and part numbers against your own service manual. This site is a shopping aid, not a repair manual.
Open the hour meter tool