The YS Engine YSG2062 needle socket FZ115S is an RC replacement part for use with FZ115S-type needles fitted to YS carburettors. It serves as the needle seat and retainer, ensuring the needle tip is positioned correctly to maintain consistent tuning results.
Installation follows standard carburettor service steps: remove the needle assembly per the engine instructions, install the socket on the needle or into the holder as required, then reassemble and verify unobstructed needle travel. No specialist tools are normally required beyond common hobby implements.
Replacing a worn or damaged socket reinstates stable needle seating so idle and mid-range adjustments respond as expected, improving overall tuning reliability.
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