Question about 2004 Yamaha YZ 450 F
All pump seals and impeller have been replaced but problem of leaking still there. System topped up & header tank is full. Initially suspected impeller shaft as it was rusty.
U have put the impeller seals in the wrong way round .they must face each other .sidecover seal faces out waterpump seal faces in
Posted on Jun 20, 2013
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Posted on Jan 02, 2017
you get the impeller of from removing the complete side case ( not only the water pump cover) then you can remove the water by unlock the internal water pump shaft....replace OIL SEAL
93109-11073-00 and also OIL SEAL,SD-TYPE
93102-12321-00 just to have you're mind in piece..they are so unexpensive that you d'ont wanna take any chance for 4.00 usd.....
Posted on Oct 02, 2009
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