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O.S. - OSMG2521 OSM29088010 29088010 531028146563 4531028146563
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O.S. Carburetor 61E New 91HZ
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O.S. Carburetor 61E New 91HZ
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Tech Notes
This is the Complete 61E Carburetor for use on the
O.S. 91HZ-R Ringed F3C Helicopter Engine


Genuine O.S. replacement parts


One Complete Carburetor
One Rubber Carb Gasket


Installation on the engine and connecting throttle linkage


Length: 3.7"(95.2mm) approx. including needle and idle stop screw
Width: 2"(50mm) approx.
Height: 1.7"(42mm) approx. including pump
Diameter: 0.73"(18.5mm) OD of intake (throat)
0.61"(15.4mm) ID of intake @ widest point (top)
0.42"(10.6mm) ID of intake @ narrowest point (bottom)
0.71"(18mm) OD of neck including thermo insulator
(the part that inserts into the crankcase)
0.43"(10.8mm) ID of neck @ narrowest point
0.49"(12.4mm) ID of neck @ widest point

ajw 11/04/10

– If you need more information, use these O.S. resources –
Email: enginesupport@hobbico.com
Web Site: http://www.osengines.com/
Phone: 217-398-8970
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Parts Compatibility
Parts Compatibility for O.S. Carburetor 61E New 91HZ
This item is a replacement part for the following:
 LXBUUB O.S. 105HZ Heli Engine  (Parts List)
 LXAAFH O.S. 91HZ Ringed Helicopter Engine  (Parts List)

This item is an optional part for the following:
 LXVBX1 O.S. 91HZ F3C Competition Ringed  (Parts List)

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