Table of Contents
How often should you replace the raw water pump in your boat?
The impeller should be replaced every 2 years at least, and the pump should last a lifetime. I replaced mine every 2 years religiously, but never put enough hours on the boat to reach an hour limit…
How long can you run an inboard without water?
…… and it can run day in and day out. (Without coolant and you risk damaging the neoprene impeller in the waterpump after about 30 seconds. Take that out of the equation and the engine is good for 3-5 minutes.) If you run an inboard out of the water you need to be very aware of the prop under the boat.
How often should you change impeller on inboard?
Most marine engine brands recommend replacing impellers once every 300 hours or 3 years, but they should be inspected once every year. You may also need to replace your water pump housing every 300 hours as well. This is what holds your impeller in place. Notice how its fins are extremely curved.
How long does MerCruiser impeller last?
Merc recommends 300 hrs or 3 years (more often if overheating occurs or reduced water pressure is noted). Re: How often should a water pump impeller be changed? If you run in skinny water, and a good chance you got sand in the engine, they say every season.
How often should you change the water pump impeller on a Mercruiser?
every three years
In most cases, you won’t need to replace the water pump unless the housing is damaged. Instead, replacing the water pump impeller every three years or sooner should avoid most water-pump-related issues and keep your outboard running in excellent condition.
Will raw water pump service kit fit my MerCruiser?
Raw Water Pump Service Kit for Mercruiser with a plastic water pump housing. Kit contains: Wear Plates, O-rings, and Impeller. It will Fit… This Item Will fit All Mercruisers that use an impeller pump on the Engine.
Who makes the best water pump for a Mercury outboard motor?
Fits Mercury/Mariner 65 HP (4-cylinder) through V-6 outboards with short-vane impellers Fits Mercruiser I/R/MR/Alpha drives (s/n… Some of the most reliable water pumps and components for any boat are built by MerCruiser. If your craft has a MerCruiser outboard, its water pump will be one of its key parts.
What kind of water pump impeller do I need for my MerCruiser?
Sierra 18-3087 Water Pump Impeller for Mercruiser, Mercury For use on Mercruiser Bravo Sterndrives and Inboard engines with engine mounted sea water pumps (1999 & older)…
What kind of water pump for a MerCruiser Bravo engine?
Raw Water Pump kit for Mercruiser engines 2000 and newer with the brass housing water pump. Just re-use your back plate. If it is scored then run a… Sea Water Pump for Mercruiser Bravo Engines.