O.S. Engine OS29088200 Carburettor Rotor for carburettor parts in O.S. Engine models  [OS29088200]

Carburettor rotor overview

This is an RC-scale carburettor rotor intended for use within O.S. Engine carburettor parts. The component serves as a direct replacement or spare part within carburettor assemblies and is described here in the context of maintenance, tuning, and routine replacement for nitro model engines.

The rotor's role is strictly mechanical inside the carburettor assembly, affecting throttle response and idle stability through its fit and rotation. When replacing the rotor, confirm correct seating in the carburettor body and verify smooth rotational movement before final reassembly to preserve fuel metering consistency.

Installation notes: remove the carburettor from the engine chassis following the engine maker's service procedure, inspect surrounding seals and needle seats, install the rotor ensuring alignment, and perform bench checks for free movement and correct needle interaction. After reinstallation, do a controlled run-in and basic needle tuning to restore expected idle and mid-range behavior.