How do you choke an outboard motor?

What is outboard choke?

The choke is a flap that almost completely closes the air intake to the carb . This means that the engine pulls in a very rich mixture which helps starting when cold. Once started the choke has to be progresively opened to allow the normal air flow.

How long can you run an outboard motor out of water?

If you’re flushing the motor, most manufacturers recommend running it for 5 to 10 minutes. If you’re running the engine for another purpose, such as to test its function, run it for as long as your maintenance task requires. Don’t run the engine unattended.

How do you know if your outboard is flooded?

How do you know if your outboard is flooded? When you turn your outboard motor’s ignition key and it won’t start, then smell that stink of excess gas that indicates your outboard’s flooded, your heart might sink a bit, as if abandoned at a party by a friend who’s borrowed your car.

What causes a 2 stroke outboard to flood?

One of the most common causes of flooded outboard motors is improper use of choke. … However, failing to disengage the choke immediately after can result in flooding, as too much fuel is pumped into the cylinders. Priming. Incorrect use of the priming pump may also cause a boat motor to flood.

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What does choke knob mean?

A manual choke is a mechanical device that links a retractable knob in the driver’s compartment, via a cable, to a metal plate inside the carburetor. The metal plate moves to increase or decrease the amount of intake air in order to provide the optimum fuel mixture for the engine.

Is it bad to run an outboard without water?

Starting a boat without water is not recommended. Most outboard and inboard engines use impellers (rubber pumps) to run water to the boat’s cooling system. Without water to cool off and lubricate, the impeller will heat up super fast and possibly damage.

Why does my outboard take so long to start?

Faulty Spark Plugs



Dirty or damaged spark plugs make it difficult for your engine to crank. Inspect your spark plugs and replace any spark plugs that are broken or dirty. If the spark plugs in your marine engine are improperly gapped, this can also prevent your boat from starting by delaying engine combustion.

Is starting fluid bad for 2 stroke?

Two-stroke engines include their engine oil with the gasoline as it enters the combustion cylinder. … If enough starting fluid is used on a two-stroke engine, it can keep the included oil mixture from doing its job of lubricating the engine. That can score bearings and pistons and eventually lead to engine failure.

What makes a 2 stroke hard to start?

(1) That you’ve flooded the engine by trying to start it, or that the lower end is loaded up (because you left the gas petcock on). (2) That there is no spark (thus, the plug is wet because the plug never ignited the fuel). Fixing a wet plug (from a flooded engine) is easy.

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