Merc recommends 300 hrs or 3 years (more often if overheating occurs or reduced water pressure is noted). Magnanimous , 05-11-2008
How often should you change your water pump impeller? · Impellers will last a loooooooong time if they dont ingest sand. They will last seconds
I agree with Ole on this. I say, for no more than the hard parts cost, just change the impeller and housing every year with normal use. The
Some folks change them every 2nd year. Some folks change them every 5 years. Some folks don't change them until they no longer pump water.
About every 250 to 300 hours running in clean saltwater and freshwater. I always flush with fresh water after every SW use. If you don't, expect
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
How often should the rubber vane type impellers in the raw water pumps be renewed? When I took out the impellers at the end of last season
Every 300 hrs or 3 years: Disassemble and inspect the seawater pump and replace worn components. So how often do you replace your impeller? On a
In my opinion, a impeller service is the #1 most over sought/most do run dry for the short time it takes to suck water up to pump.
I have always changed my impellers every two years But have more experience with Merc than Yamaha But I have been told by a Yamaha tech that the
You should check the impeller's condition during Spring Commissioning and every 200 hours of operation. Correctly installed impellers may last
I had water pumps installed in my two Merc's. (90/65 pump & a 8HP kicker. The Merc. mechanic said they shoud be changed once a year even if
Like others have stated along with the water pump/kit its a good idea to change thermostats periodically and even the poppet valve.
I carry spares and can change on the water if I have to. On my Nautiques I get a slight warning as the boat will run 10 degrees hotter when
Hoping someone might be able to give some guidance on a sensible replacement policy for a water pump impeller - in my case for a Suzuki DF90
My feeling is that it comes down to use, abuse and age. my O'day since 2006. I have changed the impeller twice and the water pump once.
Best practice is to replace every two years. Just preventive maintenance to avoid overheating in salt water use. Just my 0.02. Alain. GP, posted
Water Pump Impeller Change on Outboard Motors - How Often ? Sometimes, the mindset seems to be "My mind is made up, don't confuse me
I mentioned briefly in 1 or 2 of my other blogs which you ought to check out when time allows —- that of how often to change the water pump impeller.
I Just had raw water pump replaced on one of my 8.1 engines with 300 hours on it. I Replaced both impellers 2 years ago when winterizing,