How much does a 25 HP Mercury 2 stroke weight?

Specifications – 25 EFI

How often should I change impeller on outboard?

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.

Why is my outboard not pumping water?

There are three reasons your outboard motor’s impeller won’t pump. 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.

How hard is it to change an impeller?

Changing an impeller is not a daunting task and it’s one that every boater should consider adding to their arsenal of DIY maintenance. 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.

How often should I change my impeller?

How often should the impeller on a boat be replaced? It is recommended that a boat impeller be replaced every two to three years or 300 hours, whichever comes first. However, it is suggested to also visually inspect your impeller at the beginning of each season for any signs of wear or damage.

What is the lightest 50 hp outboard motor?

The lightest weight motor possible. Tohatsu’s all new 50hp four stroke has what you need at just 209 pounds, the lightest weight motor in its class.

How to replace water pump impeller on Mercury outboard?

After Mark gives an introduction to the project at his blog site, the project is outlined below.

Where is the impeller located on a MerCruiser?

MerCruiser Diagrams: See various part diagrams for Alpha Sterndrive models with water pump impeller located in the lower unit as well as the Bravo Sterndive models where the Sea Water Pump Impeller is mounted within the engine mounted Sea Water pump. View Diagram s Step #1: Verify that the temperature gauge is reading accurately.

How to install an impeller on a force outboard motor?

Installing the Impeller 1 Take the old impeller out of the impeller pump housing if it did not already fall out. 2 Apply grease to the impeller key so that it does not fall out of the drive shaft. 3 Lubricate the impeller and the inside of the impeller pump housing and then slide the impeller down the drive shaft.

How long does it take to replace a water pump impeller?

Working thoroughly and methodically he did the whole project in less than an hour so a competent owner should be able to do the job from start to finish in under two hours. Here’s how to do it.

How to replace your MerCruiser water pump impeller?

You should remove the hoses from the thermostat housing to the supply pump outlet as well as the pump inlet hose and backflush all the way out of the sterndrive to ensure there are not any restrictions. Step #5: Make sure that there are no leaks on the inlet side of the water pump that would allow the pump to draw air and therefore cavitate.

How often should water pump impellers be replaced?

Water pump impellers are the most commonly replaced item on sterndrive and outboard engines. Impellers should be inspected for replacement once per year or every 100 hours of operation. Save thousands by maintaining your cooling system by checking and replacing your impeller regularly.

Where can I get a water impeller repair kit?

OEM impeller repair kits from Mercury/Quicksilver ensure you’re getting the best for your engine and saves you time and money. Refer to your service and/or owners manual for more information.

Why does my MerCruiser water pump stop working?

Common causes of restriction are grass, weeds, and the remains from previous water pump impellers that come apart resulting from overheating. If your engine is equipped with an oil, power steering, fuel or engine cooler these will most likely be the areas for debris to become trapped.