Replacement Carburettor Rotor OS44882200 for O.S. Engine 61R Fsa-81-P RC Engines  [OS44882200]

O.S. ENGINES CARBURETTOR ROTOR 61R Fsa-81-P
Price:
NZD$25.70
Brand:
O.S. Engine
Model:
OS44882200
GTIN:
4531028144958
Condition:
Brand New
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Fit checks and installation notes

This O.S. Engine carburettor rotor is supplied as a replacement rotor for O.S. carburettor assemblies and serves to regulate throttle aperture and idle behavior in nitro-style RC engines. The rotor code identifies the specific variant for swap-outs during maintenance or part renewal.

To replace the rotor follow a careful service routine: remove the carburettor, keep parts and linkages organised, open the rotor housing in sequence, inspect the throttle shaft and bearings for play, then fit the new rotor making sure it turns freely and is correctly oriented before reassembling. Verify idle settings and linkage travel on the bench prior to refitting the carburettor to the model.

When tuning, a correctly seated rotor can reduce erratic throttle progression and help stabilise idle. Make conservative changes to idle and mid-range settings and run controlled tests to confirm results.

What is the recommended service sequence to access the rotor?

Start by removing the carburettor from the model and draining fuel, note linkage positions, then carefully disassemble the rotor housing in the order specified by the carburettor manual, keeping small parts grouped for reassembly.

Are there removal tips to avoid damaging the throttle shaft?

Support the throttle shaft while removing the rotor, use the correct sized drivers, avoid levering on the shaft and inspect bearings for wear before fitting the replacement.

Can a new rotor reduce idle hunting?

Often yes; if the original rotor is worn, fitting a correct replacement typically improves idle stability. Refit carefully and make small idle adjustments with bench testing between runs.

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