The O.S. Engine OS44982200 rotor is supplied as a direct replacement for original O.S. carburettor assemblies and is intended to restore proper rotor function when wear or damage affects fuel metering. The component is marked OS44982200 and carries the internal designation 61P FSa-110-P.
Fitting requires standard carburettor service practice: remove the carburettor, disassemble in accordance with the manufacturer's instructions, swap the rotor while aligning indexing marks and orientation, then reassemble and bench-test for unhindered movement before refitting to the model. Conduct a brief running check to ensure idle and throttle response are as expected.
This rotor is a maintenance item that helps maintain consistent fuel metering rather than a tuning device. After replacement, confirm needle valve and idle settings and perform measured running tests to verify the engine behaves predictably. Intended for model RC use only.
Install this rotor during O.S. carburettor servicing to recover consistent throttle control and always test fit and function after installation.
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