How do you start a flooded MerCruiser?
To start the flooded boat engine, wide open the throttle (with no choke) and wait for a couple of seconds to send air inside the cylinder to compensate for the excessive gasoline present inside the flooded combustion cylinder and then try to start the boat engine.
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).
How many hours do MerCruiser engines last?
1,500 hours
The average marine gasoline engine runs for 1,500 hours before needing a major overhaul. The average marine diesel engine will run for more than three times that long and log an average 5,000 hours under the same conditions.
Why does my boat turn over but not start?
If you have checked the battery switch and charged the batteries, but your boat engine still won’t start, check the battery cables. Make sure the connections that run between the engine and the battery are not loose or corroded. Reconnect or replace any battery cables that have become disconnected or damaged.
How do you know if your engine is flooded?
Signs the Engine Has Flooded
- Gas odor: If you smell gas, this could mean the engine is flooded.
- Emissions color: See a darker smoke? The engine may need a look.
- Trouble starting the car: If you’re unable to start the car, it might be because the engine has excess fuel.
How long can a boat sit without running?
One of the most commonly-asked questions we get is, “Is it okay if my boat isn’t running for a while in Fort Lauderdale, FL?” The answer is yes—but you have to do some maintenance beforehand. As long as it’s well maintained before going into storage, a boat can sit for a few months, a few years or even a few decades.
How do I clean the carburetor on my boat without removing it?
As we’ve established, the primary way of cleaning outboard carbs with no removal is using a carburetor cleaner. To clean an outboard motor and carb, you add the cleaner to a full gasoline tank, run the motor for a bit, and check the results. If necessary, rebuild your carb.
How many hours will a 4.3 Mercruiser go?
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. Sitting unused is hard on them, it’s better if they are run and flushed often.
How long should a boat engine be before rebuilding?
The average marine gasoline engine runs for 1,500 hours before needing a major overhaul. The average marine diesel engine will run for more than three times that long and log an average 5,000 hours under the same conditions.