How often should I replace my impeller?
Some people replace the impeller every year as it is inexpensive and easy to install and offers peace of mind. At the very least, you should follow your manufacturer recommendations to save yourself from having a catastrophic failure and having to replace a whole engine.
How do I know when to replace my outboard motor impeller?
Several things tell you it's time to replace the impeller in your outboard motor. One is in print; the rest you will see if you only pay attention while operating the motor. Ignore the symptoms of an impeller in need of replacement only if you wish to purchase a new motor.
How long do impellers last on a boat?
Impellers will last a loooooooong time if they dont ingest sand. They will last seconds if they do. I have run some for as long as (cough) 25 years before replacing (small lake boat) . How long does Mercruiser impeller last?
How much does it cost to replace a boat impeller?
The impeller should run around $30/40 and take about 25 minutes or so. Regarding this, how long does an outboard impeller last? Impellers will last a loooooooong time if they dont ingest sand.
How often should you change the impeller on a outboard motor?
every three yearsIn 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.
How do I know if I need a new impeller?
Ignore the symptoms of an impeller in need of replacement only if you wish to purchase a new motor.The Maintenance Schedule. ... When the Outboard Shows Signs of Overheating. ... A Reduced Stream of Water at the Cooling Water Outlet. ... The Impeller Has Been In Service for Three Years.
When should I replace my boat impeller?
You should check the impeller's condition during Spring Commissioning and every 200 hours of operation. Correctly installed impellers may last for several years, but you should stick to a schedule of preventative instead of emergency maintenance.
How long do Yamaha impellers last?
I've found that Yamaha impellers are good for at least three years and usually will go five. But, they are cheap and easy to swap, so I generally do 'em at three year intervals.
How long does a boat impeller last?
All impellers should be changed at a minimum of three years. Some will not make it that long depending on many things, how often it is used... too little and it will deform and tend to dry rot. Use it alot and it will wear out from spinning around in it's housing.
How can I tell if my impeller is bad?
1:013:16How To Change an Outboard Engine Water Pump Impeller - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo Chris if this impeller was in bad shape which parts would I need to replace here well on aMoreSo Chris if this impeller was in bad shape which parts would I need to replace here well on a typical water pump replacement you would replace the bottom gasket the base plate.
How do you test an impeller?
3:368:57How to: check and change a marine diesel water impeller - YouTubeYouTubeStart of suggested clipEnd of suggested clipCheck there's no damage check the rubber o-ring around here. And once you replace it with a newMoreCheck there's no damage check the rubber o-ring around here. And once you replace it with a new impeller. You should be pretty happy that the system will start working again.
What happens when boat impeller fails?
If your impeller fails, the pump can't pump cool water to the engine causing your engine to overheat. If you catch that your impeller is failing early on, you might avoid major problems. However, if you're not fortunate enough to catch a bad impeller, the results can be catastrophic to your engine.
How long does it take to change an impeller?
Changing an impeller, on many engines, usually takes less than 20 minutes even if you are fairly slow. The most complicated aspect of the task is physical access to the pump. Raw water impellers are a wear item unfortunately they do not always abide by a time or hours of use schedule.
When should I replace my Yamaha outboard impeller?
As a general rule, inspect the impeller and water pump assembly every year if operating in salt, brackish or turbid water, and replace if necessary.
How often should a boat water pump be replaced?
RE: How often should a water pump impeller be changed? Merc recommends 300 hrs or 3 years (more often if overheating occurs or reduced water pressure is noted).
Is an impeller the same as a water pump?
The heart of the cooling system of your vehicle is the water pump, and as a key part among its components to carry out its function, there is the impeller.
How do I know if my boat water pump is bad?
The most obvious way to tell if the outboard water pump is failing is to watch for the engine to overheat.
What causes an impeller to go bad?
The top 3 most common causes for impeller failures are due to cavitation, erosion and corrosion.
Is a water pump and impeller the same thing?
The heart of the cooling system of your vehicle is the water pump, and as a key part among its components to carry out its function, there is the impeller.
How long does it take to change an impeller?
Changing an impeller, on many engines, usually takes less than 20 minutes even if you are fairly slow. The most complicated aspect of the task is physical access to the pump. Raw water impellers are a wear item unfortunately they do not always abide by a time or hours of use schedule.
How long has an impeller been in service?
The Impeller Has Been In Service for Three Years. If you haven't changed the impeller when you inspect the water pump, as part of the preparations for the winter layup or the spring fitting-out, three years is the outer limit.
Why does my outboard motor overheat?
Anytime your outboard motor's water temperature begins to climb, that's cause for concern. If the motor ceases to produce a steady stream of water after reaching its normal operating temperature, the impeller is one of the two most likely causes.
Why does my motor keep getting wasps in winter?
The other most likely cause is a damaged or worn impeller.
How Do I Know If My Outboard Water Pump Is Bad?
As mentioned in the introduction, the typical signs of a malfunctioning Mercury outboard water pump include:
How Often Should You Change the Water Pump On Mercury Outboard?
In most cases, you won’t need to replace the water pump unless the housing is damaged.
How to Replace Your Mercury Outboard Water Impeller
Most Mercury outboards follow a similar design, so the following guide will apply to most models. The next steps will guide you through the basics for a 60 hp Mercury outboard water pump replacement:
How Much Does It Cost to Replace A Water Pump Impeller On A Mercury Outboard?
Replacing the impeller is a relatively inexpensive and straightforward repair. Depending on your model of Mercury outboard, you can expect only to pay between $15 – $35 per impeller.
