O.S. Engine OS29088200 Carburettor Rotor Compatible with O.S. Engine Carburettors  [OS29088200]

O.S. ENGINES CARBURETTOR ROTER 61E-R 91HZ-R
Price:
£10.69
Brand:
O.S. Engine
Model:
OS29088200
GTIN:
4531028146532
Condition:
Brand New
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Function and service notes

This RC carburettor rotor is intended to be used within O.S. Engine carburettor parts as a direct replacement or spare. The text below covers its mechanical role, installation considerations, and service advice for nitro model engines.

Working as a mechanical metering component, the rotor influences throttle response and idle stability depending on how it sits and rotates inside the carburettor. When replacing, make sure the rotor is correctly positioned and spins freely so that fuel metering remains consistent.

Installation guidance: detach the carburettor according to the engine manufacturer's procedure, inspect the needle seat and surrounding seals, fit the rotor with accurate alignment, and verify free movement and correct needle engagement during bench checks. Refit the carburettor and undertake a controlled run-in and needle adjustment to recover expected idle and mid-range function.

Is this an OEM part or an aftermarket spare?

This item is supplied for use within O.S. Engine carburettor assemblies as a replacement component; confirm the part fits your specific carburettor model before proceeding with installation.

Any compatibility tips before purchasing?

Check the rotor model number against your carburettor reference and inspect the bore dimensions where possible; ensuring matching part numbers is the best way to avoid fitment issues.

How do I troubleshoot idle instability after fitting?

Verify the rotor is seated correctly and rotates without binding, recheck needle positions, and perform a controlled run at low throttle while making small needle adjustments until idle and mid-range smoothness return.

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