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O.S. - OSMG2521 OSM29088010 29088010 531028146563 4531028146563
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  Tech Notes

Replacement & Optional Parts

Parts Compatibility

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O.S. Carburetor 61E New 91HZ
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O.S. Carburetor 61E New 91HZ
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Parts Saver Eligible:Yes

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Tech Notes
               This is the Complete 61E Carburetor for use on the
                   O.S. 91HZ-R Ringed F3C Helicopter Engine

FEATURES: Genuine O.S. replacement parts

INCLUDES: One Complete Carburetor One Rubber Carb Gasket

REQUIRES: Installation on the engine and connecting throttle linkage

SPECS: 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 –
Web Site:
Phone: 217-398-8970
  Postal Address:

Click here for Units of Measure Conversion Calculators

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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