Re: upside down impeller installations

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July 18, 2016 at 8:08 pm #40468
PugetSoundBoater
Participant

    I looked up the install diagrams in my 1989 9.9-30 hp. Factory repair manual The leading sharp edge of the impeller drive cam(plastic wedge) goes in the direction of the driveshaft rotation. PM me your e mail and I can send you a photo of the diagrams and text from the manual. You could install the impeller upside down but the drive wedge would also have to be upside down.

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