Bing 54 carburetor throttle cable grommets prevent water from entering your carburetor.

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Bing Rotax aircraft carburetor safety advisory.

When an aircraft manufacturer, or Rotax engine purchaser receives his engine it comes with a number of things.
  • A tool kit
  • A carburator(s)
  • Fuel pump
  • Exhaust
  • Exhaust springs
  • Spark plugs
  • Warranty form
  • Engine manual
  • Intake socket(s) and clamps
  • Electrical connectors
  • Two rubber carb grommets for each carb

Properly installed grommets, note how they seal around the cable to prevent water from entering the carburetor.



These grommets play an important role in safe ultralight flying! While walking around an airshow, it was hard not to notice that of 10 aircraft inspected 6 of them either had grommets that were cracked or missing completely.

In one case a hole where the choke cable would normally have resided was left wide open to the elements, and the throttle cable adjuster had NO grommet on it.

Without the grommets rain, or early morning dew can collect on the cable and then run  down the cable into the carburetor.

This water then sinks to the bottom of the carb which is where the MAIN jet is, which supplies fuel to the engine!

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