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Charles, Marine Mechanic
Category: Boat
Satisfied Customers: 3710
Experience:  US Navy (Ret) Certified Mercury Marine Tech with over a decade of repair experience.
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How to install a water impeller on a 150 mercury outboard

Customer Question

how to install a water impeller on a 150 mercury outboard
Submitted: 1 year ago.
Category: Boat
Expert:  Charles replied 1 year ago.

Hello, my name is***** will assist you.

After removing the 5 nuts that hold the gear case on, remove the water pump housing. Take the old impeller out of the housing. Install the new impeller and gaskets onto the base of the water pump. Making sure to get the key aligned into the impeller. Slide the housing down onto the impeller while turning the drive shaft clockwise. Once it seats, reinstall the 3 nuts and 1 bolt. Grease the drive shaft and shift shaft, and reinstall the gearcase.

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