Why does my motorcycle die when I turn the choke on?

Why does my motorcycle die when I turn the choke on?

However, you start it up on choke and everything is fine until you turn the choke off, and the engine dies. What gives? This is a classic symptom of a partially or fully clogged pilot jet. Fuel goes bad after time, and the first circuit/jet to clog with varnished up fuel is the pilot jet.

Why does my motorcycle only run on full choke?

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.

How long should you leave choke on motorcycle?

The choke usually “chokes” the air supply into the engine so it gets more petrol than usual. Hence it’s name. You should start the bike from cold with half or full choke depending on how cold it is. After 30 seconds is usually enough for most bikes.

Why does my motorcycle idle high when hot?

A motorcycle idles high when it is getting too much of an air and fuel mixture in a low speed or neutral position. This is usually caused by the idle screw on the carburetor being out of adjustment, an out of place throttle handle screw, a bad carburetor throttle spring, or a sticky throttle or throttle cable.

When do you use a choke on a motorcycle?

April 28, 2020 by Motor Society Editorial Team. Carbureted motorcycles utilize a choke to restrict air flow to the engine causing a rich fuel mixture. The choke, under normal operation, is only used when starting the engine. However problems with the carburetor or choke can arise causing starting or running issues. Carbureted Bikes have chokes.

Is there a choke on a fuel injected bike?

The answer is no, fuel injected bikes do not have a mechanical choke. A fuel injected bike does not have a carburetor. The air and fuel mixtures are determined by the Engine Control Unit (ECU). If the engine wants a rich fuel mixture for starting, it can automatically increase the amount of fuel injected into the cylinders.

Can a choke cause a carburetor to start?

However problems with the carburetor or choke can arise causing starting or running issues. First we will look at what a choke’s function is and how that relates to the carburetor.

Where is the choke on a Honda Shadow?

Learning to use a choke can sound like challenge to new riders, but its actually very simple. The choke is normally located on the left side of the motorcycle. On the Honda Shadow, it is located between the cylinders as indicated by the red arrow below. When you go to start your motorcycle you should pull the choke out as shown in the image below.