How often should I change impeller on outboard?
It’s good outboard maintenance practice to check your water pump impeller every season, and replace it every two to three seasons. 300 hours of use or every 3 years whichever comes first!
How do I know if I need to replace my 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.
How much does it cost to replace a impeller?
The impeller should run around $30/40 and take about 25 minutes or so. The hardest thing is getting the speedo tube back in place. Just apply greese on the bolts and impeller shaft and jog the propshaft and it should go smoothly. The last one I had put in my 50 hp Merc 4 stroke was about $125 installed.
How often should you change an impeller?
Most mechanics and manufacturers recommend every 3 years more because you don’t want the bolts on your lower unit to cease up more than the actual wear to the impellor.
How long can you run boat motor without water?
How Long Can an Outboard Run Without Water? An outboard motor’s water pump will be damaged in as little as a few seconds without a water source. Depending on the size of the outboard engine itself and ambient temperatures, it may be able to go a few minutes without damage.
Is it bad to start boat motor out of water?
Running the engine without a water source for any length of time will cause damage, so you’ll need to attach a hose to the motor’s water intakes. Turn on the water before starting the engine, then run it for 5 to 10 minutes or according to the manufacturer’s recommendations.
How much water should be coming out of outboard?
Re: how much water The thermostat will not open till the motor reaches around 140+degs. and water should come out the pee hole then as the stats open up. There should be an exhust/water port on the midsection back side that should have water spiting out of them at idle and till the stats open up.
Can you run a outboard motor without a thermostat?
Can I Run My Outboard Without The Thermostat? Yes, you can temporarily run your outboard without the thermostat and not harm the engine. No, you can not remove the thermostat and continue running the engine for long periods of time without causing harm to the engine.
Why isn my outboard pumping water?
The first is that the water stream fitting — the outlet hole for an outboard motor’s cooling system — is clogged. The second is that the water inlets are clogged; no water is getting to the pump, so it isn’t pumping. Finally, the impeller may be damaged or worn beyond repair, requiring its replacement.
Does an outboard pee in neutral?
Outboard Motor Isn’t Peeing. Most outboard motors are equipped with a cooling system using outside water. Outside water is circulated through cooling passages before leaving through the motor’s “pee hole”. You’ve seen it!
Should outboard pump water in neutral?
Let the motor idle in neutral for about 10 minutes as fresh water is pumped through the motor. Turn the motor off before turning off the water supply. Not all outboards can be flushed with muffs.
How long does it take for outboard to pee?
It takes about 10 seconds for them to start urinating.
How do you know if your outboard impeller is bad?
Signs of a bad boat impeller are either boat engine overheats when you try to accelerate, loss in impeller vanes flexibility, physical wear & tear like cracks in impeller vane roots, melted or worn of vanes. Even if you see less or no water coming out of tell-tale, it might be due to a bad impeller.
What makes an impeller go bad?
Abrasive sandlike material can cause the impeller to wear out faster. Impellers can also wear out by becoming stiff and brittle due to the motor sitting unused for several seasons or being exposed to heat. Water lubricates the impeller, and if it’s run dry, the impeller can be ruined in a few seconds.