When to replace the impeller on a Mercury outboard?
Whenever you have to remove the lower unit from your outboard, it’s worth replacing the impeller, driveshaft and shift shaft oil seals in one go. Follow the steps below and watch the video above to learn how to replace the impeller and repair the water pump on a Mercury 200HP outboard.
Are there gaskets on Mercury water pump impellers?
Impellers are impeller onl y, no gaskets, unless noted. We pay the freight out in USA on all orders over $100.00. Orders less than this amount will have a shipping and handling charge of $8.75 added.
When to replace water pump housing and impeller?
NOTE: The housing has a longer lifespan than the impeller, so it’s more likely that the impeller will need replacing but the housing won’t. However, any mechanical part will eventually become worn, so if you see any wear inside the housing, it’s time to replace it.
Which is water pump impeller for Mercury outboard engine?
Includes water pump base 18-3419 (replaces… Sierra 18-3017 Water Pump Impeller for Mercury Sierra replacement water pump impeller for Mercury and Mercruiser engines. This impeller fits MCM and outboard applications. All Sierra engine parts are manufactured to meet or exceed OEM requirements…
Can a water pump be removed from a MerCruiser?
Drop the gearcase to access the water pump housing. This requires removing the mounting bolts. Locate the bolt under the trim tab. Mark its position to make its reassembly easier. Using a fitting socket on the four mounting bolts, remove the water pump assembly. If your MerCruiser impeller’s vanes are no longer straight, it needs to be replaced.
Why do you need a mercury water pump kit?
Mercury offers pre-assembled water pump kits to eliminate time spent sourcing individual parts and allow mechanics to focus on completing the job most efficient way possible.
NOTE: The housing has a longer lifespan than the impeller, so it’s more likely that the impeller will need replacing but the housing won’t. However, any mechanical part will eventually become worn, so if you see any wear inside the housing, it’s time to replace it.
Whenever you have to remove the lower unit from your outboard, it’s worth replacing the impeller, driveshaft and shift shaft oil seals in one go. Follow the steps below and watch the video above to learn how to replace the impeller and repair the water pump on a Mercury 200HP outboard.
How do you replace a water pump on a boat?
Step 1. Remove the four 10mm bolts securing the water pump housing, then remove the housing by sliding it up and off the driveshaft. Step 2. Remove the impeller and the woodruff key securing it against the driveshaft. NOTE: The impeller may come off with the water pump housing or may remain on the driveshaft.
How do you change the impeller on a water pump?
Step 11. Smear a thin film of grease inside the water pump housing, and install the housing over the driveshaft and the impeller. Rotate the driveshaft clockwise as you push the housing over the impeller to ensure the impeller’s blades are in the correct direction within the housing.
Can a Mercury 200xl Verado be replaced?
NOTE: We used a Mercury 200XL Verado, but the process is the same or similar for most outboard motors. NOTE: Before you can replace the shift shaft seals, you must remove the lower unit from the outboard.
NOTE: We used a Mercury 200XL Verado, but the process is the same or similar for most outboard motors. NOTE: Before you can replace the shift shaft seals, you must remove the lower unit from the outboard.
Step 1. Remove the four 10mm bolts securing the water pump housing, then remove the housing by sliding it up and off the driveshaft. Step 2. Remove the impeller and the woodruff key securing it against the driveshaft. NOTE: The impeller may come off with the water pump housing or may remain on the driveshaft.
Step 11. Smear a thin film of grease inside the water pump housing, and install the housing over the driveshaft and the impeller. Rotate the driveshaft clockwise as you push the housing over the impeller to ensure the impeller’s blades are in the correct direction within the housing.