How to winterize a mercury inboard boat motor?

How do you winterize inboard Mercury?


How do you winterize an inboard boat?

How To Winterize an Inboard Boat

  1. Warm the Engine to Winterize Inboard Boat. …
  2. Fill the Tank to Winterize Your Inboard Boat. …
  3. Add Antifreeze to Winterize Your Inboard Boat. …
  4. Spray the Engine with Fogging Oil. …
  5. Winterize Your Boat with an Oil Change. …
  6. Clean & Spot Check Everything. …
  7. Store Your Boat with SecurCare Self Storage.

Do you leave antifreeze in boat engine?

Note: Sam likes to leave the engine block flushed but empty for the winter. However, some marine engine manufacturers recommend filling the entire engine with RV antifreeze. Always follow your engine manufacturer’s advice.

Do you have to winterize boat inboard motor?

If you’ve got an inboard or a sterndrive (inboard/outboard) boat motor, then winterizing is an absolute must-do. This process prevents gunk from building up, keeps condensation out of the fuel tank and just overall keeps your engine healthy.

At what temperature do you need to winterize your boat?

As a general rule, you should look to winterize your boat before the temperatures drop below 25 degrees Fahrenheit, approximately -3 degrees Celsius.

What kind of antifreeze does a MerCruiser take?

propylene glycol antifreeze

Answer: MerCruiser requires the use of propylene glycol antifreeze (with a rust inhibitor for marine engines) in the seawater section of the cooling system.

What type of antifreeze should I use to winterize my boat engine?

Non-toxic West Marine propylene glycol antifreeze

Non-toxic West Marine propylene glycol antifreeze is recommended for winterizing potable water systems and all engines.

How do you get water out of a boat motor in the winter?


How do you flush antifreeze out of a boat?


Will antifreeze hurt fiberglass?

Antifreeze won’t hurt your fiberglass but it is expensive.

How much marine antifreeze do I need?

Antifreeze, A Friend Indeed Thanks. If you’re going to winterize a boat you’ll need around a five gallon bucket and two gallons of antifreeze to protect your engine and all related plumbing.

What do I need to do to winterize my boat?

How To Winterize Your Boat

  1. Step 1: Replace engine oil. …
  2. Step 2: Flush and drain cooling water. …
  3. Step 3: Stabilize fuel. …
  4. Step 4: Protect internal engine components. …
  5. Step 5: Replace gear oil. …
  6. Step 6: Grease and lubricate. …
  7. Step 7: Remove valuables. …
  8. Step 8: Clean and wax.

How do you prepare a boat motor for winter?


How long can an inboard motor run 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.

What should you always do before starting an inboard engine?

If your boat has an inboard engine, you should always run the blower for at least four minutes before starting the engine. Perform the ‘sniff test’ to check your bilges—make sure you don’t smell gasoline.

How much does winterization cost?

Average Cost to Winterize a House

Average Cost$200 – $250
High Cost$700 – $1,000
Low Cost$65

How do you winterize a bilge pump?

Clean and dry bilges, and verify bilge pump operates properly. Pump out holding tank and add propylene glycol antifreeze to the head. Drain all systems that use water (water heater, freshwater system, shower sump, etc.) and replace with propylene glycol antifreeze as appropriate.

Can you winterize a boat in the water?

All thru-hulls, except those for cockpit drains, have to be protected by closing and winterizing all seacocks and gate valves. If your boat has thru-hulls at or below the waterline that can’t be closed, it should be stored ashore for the winter. Plug your exhaust ports.

How do you start a boat after winterization?


Is it OK to start a boat out of water?

To run your boat motor out of water, start by attaching a hose to your motor’s water intake so you can flush in water, which will avoid damaging the engine. Once the hose is attached, turn on the water faucet. Then, pull the gear shift to neutral and start the engine.

How much does it cost to winterize an inboard outboard motor?

If you winterize your boat yourself, it will cost you about $250. This price includes the cost of winterizing the engine, the other systems of your boat, and cleaning it, stem to stern, inside and out. However, if you have the work done at a boatyard, expect to spend $500 up.

Can you leave a trickle charger on all winter?

Some trickle chargers can be left on a battery indefinitely. These would be used on a vehicle that is not used all the time or is stored away for the winter or the summer. A trickle charger built specifically for this is left on in the event that the vehicle is needed in an emergency or other unexpected situation.

Can I leave my battery charger on all winter?

Make sure you don’t leave them hooked up to a charger all winter! This can be dangerous, and will damage your batteries. Once charged, the self discharge rate of the batteries will keep them up to snuff until June for sure.

Should I put Stabil in my boat?

STA-BIL 360 Marine can be used every time you top off the tank in your boat. Just remember to pour the blue gold in prior to the gasoline to get the best results.

How do you start a inboard boat motor that has been sitting for years?

Get some water to the engine via a garden hose. Then put on some ear muffs and let the water run for a couple of seconds. Prime up the fuel, turn the key, and hopefully, start and run the engine! If you are going to let the engine sit and run for a while, (which is a pretty good idea to do).

What do I need to winterize my inboard boat motor?

How To Winterize an Inboard Boat

  1. Warm the Engine to Winterize Inboard Boat. …
  2. Fill the Tank to Winterize Your Inboard Boat. …
  3. Add Antifreeze to Winterize Your Inboard Boat. …
  4. Spray the Engine with Fogging Oil. …
  5. Winterize Your Boat with an Oil Change. …
  6. Clean & Spot Check Everything. …
  7. Store Your Boat with SecurCare Self Storage.

Can I use regular antifreeze to winterize my boat?

Engine coolant is toxic and should never, ever be used for any aspect of boat winterization. Your boat’s engine should have a proper coolant balance, true, but that’s independent of the winterizing process.

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