Question: How To Adjust Carburetor On 1997 Polaris 500 Xplorer?

How do you adjust a Polaris carburetor?

How to Adjust a Polaris Carburetor

  1. Turn off the engine and remove the ignition key. Wait for the ATV to cool. If you do not, you might burn your hands while adjusting the carburetor.
  2. Locate the gold pins on the side of the engine. The fuel jets and the air valve are on the bottom of the engine.

How do I fix my ATV running rich?

Running rich is usually not an issue. Move the needle to the top and put it back. Alternatively, you can warm up your ATV and drive with the choke on. However, if there is too much fuel (and consequently too little air) being supplied, then it is likely that the excess fuel will leak outside of the chamber.

How do I know if my carburetor is rich or lean?

Q: How Do You Tell if a Carburetor Is Rich or Lean? A: One way to tell for sure is by “reading” the spark plugs. If the plug tip is white, the mixture is lean. If it’s brown or black, it’s rich.

Is clockwise lean or rich?

If the mixture screw is turned clockwise is the fuel lean or rich? When the adjuster is turned clockwise, then it reduces the flow of fuel and makes the engine run lean. If you remember tightening the screw stops fuel flow, loosening the screw increases it. Too much fuel with mixture screw all the way in.

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Why does my ATV bogs down when I give it gas?

The most common reason when an ATV bogs down when giving gas is a dirty air filter and/or carburetor. This happens when the ATV is continuously used after some time. Fixing these issues is easy – clean the air filter and/or check and adjust the carburetor.

How do you know if your ATV is running lean or rich?

A black dry fluffy colored plug is caused by deposits from a carburetor that is running too rich (too much gas), or excessive idling on some engines. Black smoke coming from the exhaust is a sign of a rich air/fuel mixture.

How do you adjust a running rich carburetor?

Regardless of whether or not the engine is running too rich or too lean, bring it down to a very lean mixture by turning both screws a quarter-turn at a time, counter-clockwise, then slowly bringing them back up to an equal and smooth mixture.

Why is my four wheeler sputtering?

There are many reasons why an ATV sputters. The most common reason has to do with a carburetor problem like a tuning issue, vacuum leak, or gas leak. Other sputtering issues can be caused by an ignition issue. For the combustion chamber to work on an ATV, it needs air, gas, and a spark.

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