When should I use choke on my lawn mower?

Is it bad to run a lawn mower with the choke on?

it is not advisable to run lawn mover engine in the choke position. For start up it is OK. But after it for normal running, choke position is not advisable. In that position the engine will consume more fuel.

When should I use choke on my engine?

The choke is located before the throttle, and manages the total amount of air going into the engine. The choke is only used when starting a cold engine. When doing a cold start, the choke should be closed to limit the amount of air going in.

Should choke be open or closed when starting lawn mower?

Open the choke all the way if you notice that it has been closed. If it has been open, the carburetor may be flooded. … When you get the engine to sputter, open the choke, and try starting the mower. After it turns over, close the choke to keep the engine running.

How do you tell if the choke is open or closed?

When the choke butterfly is allowing the most air flow, without restriction, it is open. Like a door. Open lets things through. when the choke is restricting the flow of air, it is closed.

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What happens if the choke is left on?

Leaving the choke on for too long will cause unnecessary engine wear and waste fuel. … The engine needs its fuel to be vaporised in order to burn it. This is done by the carburettor where the fuel is mixed with clean air coming from the air filter, and sent into the pistons to be ignited.

What can go wrong with a carburetor?

Carburetor Problems and Solutions

PROBLEM POSSIBLE SOLUTION
Carburetor floods Engine starves for fuel at high speed (leans out) Check inlet needle and seat for condition and proper installation
Carburtor leaks Engine overspeeds Idle speed is excessive Check sealing of welch plugs, caps, plugs and gaskets

Why does my lawn mower only run on full choke?

Lawn Mower: Only Runs With The Choke On. … If your lawnmower will start and run with the choke on but dies when the choke is turned off, it may have a problem with the carburetor. The carburetor brings air and fuel together and mixes them in the perfect ratio for combustion before they enter the engine.

Why does my mower only run when I push the primer?

When you prime the engine you are manually adding extra fuel in, so the running issue is most likely related to poor fuel that will not burn unless there is an excess amount present or a fuel deliver issue preventing enough fuel from getting through to begin with.

Why does my lawn mower only run for a few seconds then dies?

If your lawn mower starts, runs briefly, then dies these are the four most common reasons that’s happening: Dirty carburetor / clogged carburetor bowl. Old gasoline that has gone bad. Dirty or defective spark plugs.

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