O.S. Engines Carburetor #21JS 7mm Insert Speed 21 V-Spec II OSM23818080
OSM23818080 O.S. Engines Carb 21Js 7Mm Insert Speed 21 V-Spec Ii

O.S. Engines Carburetor #21JS 7mm Insert Speed 21 V-Spec II OSM23818080

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O.S. Engines slide valve mechanism is housed inside of a rubber boot to protect it from dirt. Ball end throttle arm connection reduces play in throttle linkage. Adjustable - Mixture, idle mixture, and throttle stop. Cast aluminum carb body.


Requires:

Ball Link To Operate Slide Valve With Servo

Outer Diamter carb to engine mounting sleeve: 15mm (0.59")
Outer Diamter  carb to air cleaner mounting sleeve:
14.5mm (0.57") with 16mm (0.63") lip
Carb throat bore:
7mm (0.28")
Carburetor height:
54mm (2.13") including needle valve

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