PROX Water Pump Rebuild Kit for KAWASAKI KX 250 1992-1996

On KAWASAKI KX 250 from 1992 to 1996, the PROX 57.4312 water pump rebuild kit fits in place of the original part. A tired water pump bearing or oil seal lets coolant through. This kit replaces the pump's sealing and bearing parts.

Key features

• All the gaskets, O-rings, bearings and oil seals you need (ProX).
• The shaft and impeller are not included.

Specifications

• Brand: PROX
• Manufacturer part number: 57.4312
• Weight: 70 g
• Engine: 2-stroke

When to replace it?

• Drip of coolant or oil at the weep hole under the pump.
• Milky engine oil (mixed with coolant).
• Coolant level dropping with no visible leak, engine running hot.

During an engine rebuild, and as soon as a leak appears at the weep hole.

Fitting tips

1. Drain the cooling system, and the oil if necessary.
2. Drive out the bearing and oil seals without damaging the housing, then fit the new parts perfectly square.
3. Lightly grease the oil seal lips before sliding the shaft through.
4. Fill with fresh coolant, bleed the system and refill with oil if you drained it.

Why PROX?

ProX Racing Parts has been supplying engine and clutch parts to motocross riders since 1975, from its headquarters near Amsterdam. According to its catalogue, most of its parts are made in Japan, by manufacturers that also produce parts for the Japanese motorcycle makers.

Spare parts and items to plan

• Coolant : LIQUI MOLY 1 L · TWIN AIR
• Gearbox oil : LIQUI MOLY 10W30 1 L · LIQUI MOLY 1 L
• Clutch cover gasket : PROX · ATHENA

Frequently asked questions

Are the shaft and impeller included?
No: the ProX kit contains the gaskets, O-rings, bearings and oil seals. Check the shaft: if it is scored where the lips run, replace it.

What does the kit contain?
Depending on the model: gaskets, O-rings, oil seals and pump bearing(s). If in doubt, compare with your original parts.

Compatibility

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

Fits:
KAWASAKI KX 250 1996
KAWASAKI KX 250 1995
KAWASAKI KX 250 1994
KAWASAKI KX 250 1993
KAWASAKI KX 250 1992