Often asked: How To Clean The Carburetor On A Polaris Sportsman 500?

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 you remove a throttle cable from an ATV carburetor?

Open the throttle fully by hand so the cable is loose. There is a slotted brass piece that traps the end of the cable. With the cable loose enough the brass piece comes out towards you and the cable slips out of the brass piece(don’t lose it). You can then unscrew the cable from the carb and pull it out.

Where is the choke on a 4 wheeler?

Some ATV’s have a choke lever located on the carburetor and is on when the lever is up. Some choke levers are actuated by a thumb tab on the left side handle by pushing it to pull a cable. Either way, the choke should be open to starting a cold engine.

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How do you clean ATV carburetor without removing it?

To clean a motorcycle carburetor without removing it, you’ll need to remove the bowls at the bottom of the carburetor. Once the bowls are removed, spray some carburetor cleaner up inside, wait a few minutes, then spray again to ensure coverage.

How do you clean a carburetor without removing it?

Spray liberally with carb cleaner – trying to direct the cleaner into the jets – and leave to soak for a few minutes. Use an air line (or a can of pressurised air, sold as an ‘air duster’) to blow through the jets. Repeat the previous step and this one until you can see no more gunge.

What are the symptoms of a dirty carburetor?

Four Signs Your Carburetor Is Failing

  • Engine Performance Reduction. As mentioned above, combustion starts and keeps your engine running.
  • Black Exhaust Smoke. You shouldn’t see black smoke coming out of your exhaust pipe even if you drive a diesel.
  • Engine Backfires or Overheats.
  • Starting Difficulty.

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.

How do you adjust the air fuel mixture on an ATV?

Make adjustments 1/2 a turn in either direction to find the smoothest idle speed. Turn the screw counterclockwise and clockwise 1/2 a turn from the middle position and listen to the sound of the idle. Set the screw in the position where the engine’s idle sounds most even and smooth to balance the fuel mixture.

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