PROX Oil Filter for YAMAHA WRF 250, WRF 400, WRF 426, YZ 250 1998-2002

The PROX 54.23142-50 oil filter is designed for YAMAHA WRF 250, WRF 400, WRF 426, YZ 250 from 1998 to 2002. The oil filter traps the metal particles and deposits circulating in the oil. On a four-stroke motocrosser, the oil lubricates the valve train and the crankshaft at very high rpm: a new filter at every oil change protects these parts.

Specifications

• Brand: PROX
• Manufacturer part number: 54.23142-50

When to replace it?

• Engine oil change due.
• Metal particles or sludge visible in the filter.

At every oil change, or every other oil change, depending on your bike's service manual.

Fitting tips

1. Drain the engine oil while it's warm.
2. Clean the filter housing and check the cover O-ring.
3. Fit the filter the right way round, oil the seals and tighten the cover to the manufacturer's torque.
4. Fill up with fresh engine oil and check the level after running the engine.

Why PROX?

Founded in 1975 and based near Amsterdam, ProX specialises in engine and clutch wear parts for off-road bikes. The brand has most of its range made in Japan, by OEM suppliers, for quality on a par with the original parts.

Spare parts and items to plan

• 2-stroke oil : LIQUI MOLY 1 L 3065 · LIQUI MOLY 1 L 3063
• Drain plug : RFX FXOP4010099SV · RFX FXDB1010099

Frequently asked questions

How many filters does my bike have?
Some engines have two: check in your manual which one this part number replaces.

Compatibility

Check the exact model and year of your bike in the list below before ordering.

Fits:
YAMAHA WRF 250 2002
YAMAHA WRF 250 2001
YAMAHA WRF 250 2000
YAMAHA WRF 250 1999
YAMAHA WRF 250 1998
YAMAHA WRF 400 2002
YAMAHA WRF 400 2001
YAMAHA WRF 400 2000
YAMAHA WRF 400 1999
YAMAHA WRF 400 1998
YAMAHA WRF 426 2002
YAMAHA WRF 426 2001
YAMAHA WRF 426 2000
YAMAHA WRF 426 1999
YAMAHA WRF 426 1998
YAMAHA YZ 250 2002
YAMAHA YZ 250 2001
YAMAHA YZ 250 2000
YAMAHA YZ 250 1999
YAMAHA YZ 250 1998