Let’s discuss the question: how to winterize a 4.3 mercruiser. We summarize all relevant answers in section Q&A of website Achievetampabay.org in category: Blog Finance. See more related questions in the comments below.
How much antifreeze do you need to winterize a Mercruiser?
To winterize the engine with antifreeze, you’ll need a five-gallon bucket, and enough antifreeze for your engine and related plumbing (at least two gallons). If your engine takes a lot of antifreeze, you might also need a helper to add antifreeze to the bucket as needed.
Is a 4.3 MerCruiser a good engine?
THE TRADE-A-BOAT VERDICT
Perfect for pottering around waterways. The MerCruiser 4.3L MPI makes good economic sense in infrequently used sportscruisers. The exhaust note is nowhere near as satisfying as a V8 but under load the V6 noise ain’t half bad!
How to Winterize a 4.3 Mercruiser
Images related to the topicHow to Winterize a 4.3 Mercruiser
How do you winterize a 4.3 OMC Cobra?
- Condition Fuel System: Add OMC 2+4 Fuel Conditioner to fuel system. …
- Change Motor Oil and Oil Filter: …
- Change Vertical Drive Lubricant: Drain and refill with fresh OMC Hi-Vis gearcase lube.
- Fog Engine. …
- Drain Cooling System: …
- Drain Pivot Housing and Vertical Drive Water Passages:
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 I need to winterize my boat if I keep it in the garage?
You’re going to need it. According to BOATUS, in preparation for winter, you’ll want to run antifreeze through cooling systems, flush it through and fill the air conditioning system, flush the water intake and run antifreeze through it (if in lower unit), and ensure that water strainers are filled with antifreeze.
Is fogging a boat motor necessary?
Fogging a boat engine is not completely necessary but is highly recommended. Putting a stabilizer in your gasoline can help reduce the long-term storage issues but is not a guarantee. Essentially, fogging oil is an inexpensive way to better protect your boat engine while it’s left idle.
How many hours will a 4.3 MerCruiser last?
The average life for raw water cooled engines is 1,000-1,500 hours or less depending on how often they are used and how well they have been maintained.
What is the horsepower of a 4.3 MerCruiser engine?
The MerCruiser 4.3L MPI engine is a multi-point, fuel injected engine. This V6, 262 cubic inch (4.3-liter) motor delivers 220 horsepower (HP) to the sterndrive at 4,400 to 4,800 RPM at WOT (wide open throttle).
Mercruiser 4.3 LX V6 Winterization
Images related to the topicMercruiser 4.3 LX V6 Winterization
What is the top speed of a 4.3 MerCruiser?
Our test boat had the base level power of a MerCruiser 4.3lt V6, which is a carburetted engine rated at 142kW/190hp fitted to an Alpha drive unit. That gave plenty of get up and go, with a 75.7km/h top speed.
How do you winterize a closed cooling system?
Shut down and replace the oil, filter and fuel filter. Fully drain the raw-water side of a closed-cooled engine, including the manifolds, seawater pump and heat exchanger. Drain-plug locations vary by engine, so check your manual. Disconnect the raw-water inlet hose, then remove the drain plugs.
How does a Mercruiser closed cooling system work?
MerCruiser engines may also be equipped with a closed cooling system. This cooling system is divided in two separate sub-systems: one uses seawater and the other uses coolant (called “fresh water”). The seawater system operation is similar to the standard cooling system previously described.
What does a closed cooling system do?
Unlike in a car where the antifreeze/water circulates through an air-cooled radiator, a closed cooling system uses lake or ocean water flowing through a heat exchanger to remove heat from the engines cooling water/antifreeze mixture.
How do you use engine fogging oil?
- Start the engine and remove the air filter.
- While the engine is running, spray STA-BIL fogging oil into the air intake of each cylinder.
- After 10 seconds, shut off the engine.
- Remove the spark plugs – carefully!
How do you fog a MerCruiser MPI?
- Disconnect and plug boat’s fuel line from Water Separating Fuel Filter inlet.
- Connect remote outboard fuel tank (with the fogging mixture) to the inlet of the Water. Separating Fuel Filter. …
- a. …
- After specified running time is complete, slowly return throttle to idle rpm and shut engine off.
What type of antifreeze should I use to winterize my boat engine?
Non-toxic West Marine propylene glycol antifreeze is recommended for winterizing potable water systems and all engines.
How To Winterize a Boat – Mercruiser 3.0 , 5.7 , 4.3 , 4.0 – EASY
Images related to the topicHow To Winterize a Boat – Mercruiser 3.0 , 5.7 , 4.3 , 4.0 – EASY
Can you winterize a boat without antifreeze?
Do you have to use antifreeze when you winterize your boat? You should use antifreeze to winterize your boat if you have an inboard engine or any systems with pipes or that carry water. You should also consider using it in your bilge. For outboard motors, you don’t have to use antifreeze.
Should you use antifreeze with ethylene glycol on a boat?
Tips for How to Winterize A Boat
Never use ethylene glycol, which is highly toxic to humans, in potable water systems. The best practice is to drain the water tanks and lines of all water.
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