How do I install water pump bearing in yz450f 2008

Do I have to take the crank case off

Hey thanks I guess this weeping hole leak shit is pretty common in these bikes I bought a new case an Impeller thinkin that would work but it didn't so I realized there's play in the impeller shaft which means its a bearing right? So I bought a bearing and oil seal and the other seal

Yeah, I replaced the seal, shaft and bearing on my '06 twice and did it on a friends '09 once. I am sure it is best to replace all the peices at once. It is not hard and does not take more than an houre if you use the manual.

Yea I gotta get a manual

Thanks for the links!

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