Question about 2005 Honda CRF 450 R
How do you remove the waterpump impeller
First you want to remove the water pump cover, under that you will see the impeller and it should have a 6mm bolt, (10mm head), that you will need to remove. Remove the bolt and then the impeller will lift off a "D" shaped shaft. Note that there will be a copper washer under the bolt securing the impeller, you should replace that every time you remove the impeller bolt because it prevents water from leaking through the shaft into the crankcase.
Posted on Dec 08, 2008
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Posted on Jan 02, 2017
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