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Rotax 912 Q&A


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CENTER FOR ROTAX® AIRCRAFT ENGINES

Bing Main Jet Needle Coding



  • Needles with a "High Number Code" produce RICHER mixtures
    above HALF-THROTTLE. Example: 8L2 instead of 6L1.
  • Needles with a "High Letter Code" produce RICHER mixtures
    below HALF-THROTTLE. Example:6P2 instead of 6D2.
  • The adjacent regions are also affected to a lesser extent.

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