How to Change a Briggs & Stratton Fuel Filter

Written by thomas west
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Briggs & Stratton has been making small air-cooled engines since 1908. Early Briggs & Stratton engines powered everything from gasoline-powered bicycles to portable generators used during World War II. Briggs & Stratton engines are used today in riding lawnmowers, snowblowers, pressure washers and home generators. Briggs & Stratton engines are known for their durability and can run for many years with simple maintenance. Keeping the fuel supply clean with a fresh fuel filter is a task that should be performed every 100 hours of use.

Skill level:

Things you need

  • Protective goggles
  • Fuel line clamp
  • Needle nose pliers
  • Clean rag
  • Fuel filter

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  1. 1

    Shut off the fuel petcock (located where the fuel hose comes into the fuel tank) by turning it counter clockwise by hand. Pinch the fuel line near the base of the fuel tank with a fuel line clamp if your Briggs & Stratton engine does not have a fuel petcock.

  2. 2

    Use needle nose pliers and remove the metal clamps on both sides of the fuel filter. Pull the rubber fuel line off of both sides of the filter.

  3. 3

    Empty any fuel left in the filter and wipe the filter off with a clean cloth. Hold the filter up to the light (holding it away from your face) and look through the filter inlet hole. Replace the filter if you cannot see light clearly coming in from the outlet hole.

  4. 4

    Install the new fuel filter by pushing the rubber fuel lines onto both ends of the filter. Reinstall the metal clamps with needle nose pliers.

  5. 5

    Turn the fuel back on by turning the fuel petcock in a clockwise direction. Remove the fuel line clamp (if used).

Tips and warnings

  • A fuel line clamp is used to pinch the rubber fuel line to keep fuel from leaking out when changing a fuel filter. Fuel line clamps are available at auto parts stores.
  • On some filters the direction of fuel flow is indicated by an arrow on the filter. When installing the filter, orient the arrow in the direction of the fuel flow by pointing the arrow away from the fuel tank and toward the carburettor. If the new fuel filter has no arrow, mount the filter so that the bigger end is toward the fuel tank.
  • Use care when working around fuel. Wear protective goggles to guard your eyes against fuel splashes.

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