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IDAHOBALLER

CV4 waterpump impeller shaft

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My 08 YZ450f has developed a slight leak out of the weephole in the bottom of the waterpump. So, in order to fixi it I am going to replace the impeller shaft, the 2 seals, and the bearing. I noticed that CV4 makes an aftermarket impeller shaft that looks like it should work great and be more durable than the stock one.

Has anybody used one of these CV4 shafts? And what would be the best place to order one?

Thanks

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i havent used one, with the whole cooling end of things id go with boysen over anyone else...the supercooler is fantastic

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On paper, it should work well. The nitride coating should all but stop seal wear, and as long as the drive end holds up, it should be an improvement.

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