Question: Motorcycle Dies When Choke Is Off?

Why does my motorcycle only run with the choke on?

So, why does a motorcycle only run with the choke on? It means your motorcycle is not getting enough fuel, and this can be caused by dirty or clogged pilot jets, clogged fuel line, clogged fuel filter, dirty petcock, loss of vacuum in the carburetors, among other carburetor issues.

Is it bad to run a motorcycle with the choke on?

Running rich ( choke on ) is not a big problem causer – certainly not as bad as running lean; you’ll foul your plugs and build up a bit of carbon in the gas path. Beyond that, it’s just a nusiance problem. If you want to stand out from the crowd, try being yourself for a change.

Why does my motorcycle die when I give it throttle?

False Idles Rich bikes are getting too much gas, so they idle high but lose power when given initial throttle because they can ‘t burn all the gas. Lean running engines tend to “hang up” at high rpms when the throttle is let go, and they also rev down slowly after the throttle is closed.

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Is it bad to leave the choke 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.

Why does my motorcycle keep cutting off?

Re: Bike shuts off while riding I would do the obvious first, check the fuel vent for the gas tank, change the fuel filter, make sure your grounds and leads are tight, look at your connections @ the ign switch if possible and check all the fuses they don’t always blow clean sometimes connection is an issue.

How do you tell if a carburetor is rich or lean?

If the insulator near the plug tip is a nice light tan colour then it’s running approximately correct at that load/rpm. If they’re white then it’s running lean, if they’re a dark brown or worse colour then it’s running rich.

How long should I leave the choke on?

Usually I use the choke for up to 30 sec after the start. It is enough to get the stable idle. also, don’t lug the engine (ever but even less so when cold) and don’t rev it up too hard when cold. that being said my engines likes it to be reved up for a tiny moment after idling warm for about 30s.

Can you drive with the choke on?

3 Answers. It will not damage the engine at all. All that will happen is that it will run richer, thus using more fuel. If you did it for thousands of miles you ‘d probably end up with more deposits in the engine/exhaust, but even that is easy to sort.

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What happens when you pull the choke?

By restricting the flow of air into the throat of the carburetor, the choke valve reduces the pressure inside the throat, which causes a proportionally-greater amount of fuel to be pushed from the main jet into the combustion chamber during cold-running operation.

Why do Harley riders rev their engines?

Of course, unoptimized lubrication, especially in something as delicate as an engine, can result in premature wear, or worse, engine failure. Perhaps the reason motorcycle riders of today still incessantly rev their motors at a stoplight—to the annoyance of non enthusiasts— is simply because it feels and sounds cool.

Can a completely dead motorcycle battery be recharged?

If you do have a dead battery, you can recharge it with a battery charger (this is preferred), or by jumpstarting your bike with another bike or a car. Once you get the bike running, make sure to ride it for a good while in order to get it fully charged again.

How do you know if your bike is running lean?

You’ll also notice that if an engine is running lean, the engine and exhaust pipes will become very hot, even hotter than normal. You may see some smoke coming from the engine, the exhaust pipes glowing orange from the heat, and/or it may be unbearable to be around the engine while riding because it’s so hot.

Do you want the choke open or closed?

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. This increases the amount of fuel in the cylinder and helps to keep the engine running, while it is trying to warm up.

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When should I use choke on motorcycle?

When Should the Choke Be Used? The choke should only be used when starting and warming up your motorcycle. You can leave the choke engaged while the engine warms up to operating temperature. It may be necessary to leave the choke on while you ride for the first mile or so to warm the bike up.

Why does lawn mower only run with choke on?

If your lawn mower only runs with the choke on, check the carburetor. There are several passages in the carburetor that allow fuel to enter the air stream depending how the throttle is set. The idle circuit, for when the throttle is nearly closed and the engine is idling.