This 2004 Honda CRF450R is being dismantled at Derrimut for its engine and drivetrain, among everything else. It’s a carburettor-fed, liquid-cooled four-stroke motocrosser – Honda’s four-stroke motocross platform was still relatively new at this point, having only replaced the two-stroke CR450 a few years earlier.
Engine and drivetrain parts off this CRF450R
- Cylinder head, camshafts, valves and piston
- Gearbox internals, clutch assembly and clutch cover
- Carburettor, airbox and exhaust system
- Stator, CDI and wiring loom
- Countershaft sprocket, chain and rear sprocket
- Engine mounts and frame hardware
- Kickstart mechanism and primary drive components
- Water pump, hoses and radiator
Early CRF450R engines are a known quantity among racers, and this bottom end, top end and gearbox commonly interchange with other carburettor-model CRF450Rs from the same generation. That makes it a useful engine donor whether you’re rebuilding after a blown motor or chasing a specific internal component rather than a full replacement engine.
Everything is a used take-off from this actual bike, tested and checked before it goes out – never new, never boxed as genuine. We freight Australia-wide from Derrimut. See the Honda parts category for the rest of what’s listed off this bike, or check parts finder for a specific item. There’s a second 2004 CRF450R in our yard too, wrecked separately for its chassis and bodywork, if you need both ends of the bike covered. Racers rebuilding after a blown motor or crash are the main buyers we see for parts off a bike like this. Give us a call and we’ll check what’s currently on hand for this exact model.

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