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On YAMAHA YZF 450 from 2010 to 2013, the PROX 57.2420 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.
During an engine rebuild, and as soon as a leak appears at the weep hole.
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.
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.
Check the exact model and year of your bike in the list below before ordering.
Fits:
YAMAHA YZF 450 2013
YAMAHA YZF 450 2012
YAMAHA YZF 450 2011
YAMAHA YZF 450 2010
Click on your bike to see all compatible parts.
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