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O.S. - OSMG2765 OSM71904200 71904200 531028600935 4531028600935
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O.S. Motor Mount 140RX/FS120/120AX/FS200S
O.S. Motor Mount 140RX/FS120/120AX/FS200S
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O.S. Motor Mount 140RX/FS120/120AX/FS200S Add to Wish List
78.30  Add To Cart 3.68  
O.S. Motor Mount 140RX/FS120/120AX/FS200S Add to Wish List
116.82  Add To Cart 6.15  
O.S. Motor Mount 140RX/FS120/120AX/FS200S Add to Wish List
193.70  Add To Cart 11.25  

Tech Notes
This is a motor mount drilled and tapped to fit the
O.S. FS-120 (4-stoke), FS-120 Surpass (4-stroke), 1.40RX (2-stroke)
Includes all hardware necessary for mounting the engine to a firewall and
mounting the engine to the mount. The nose gear hole is not pre-drilled.


Four engine mounting screws (for mounting the engine to the mount)
Four lock washers (for the engine mounting screws)
Four blind nuts (they fit into the firewall)
Four motor mount screws (for secruring the mount to the firewall)
One L-wrench for the screws


Type of Material: All Aluminum mount with Steel screws and washers
Type of Mount: Beam style mount with a square shaped back
Length: 90mm (3-1/2")
Width: 54mm (2-1/8")
Height: 54mm (2-1/8")
Mount to firewall screws: M5x25 caphead (coarse)
Engine to mount screws: M5x20 caphead (coarse)


Only one of the four mounting holes to mount this to the firewall
is countersunk. This is done to avoid interference with 120SIII carb
This would utilize a M5x25 flathead screw which we currently do
not carry.
JBN 6.29.93
updated cmc 03/19/03
updated tjt 040204

– If you need more information, use these O.S. resources –
Email: enginesupport@hobbico.com
Web Site: http://www.osengines.com/
Phone: 217-398-8970
  Postal Address:

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Parts Compatibility
Parts Compatibility for O.S. Motor Mount 140RX/FS120/120AX/FS200S
This item is an optional part for the following:
 LXBY54 O.S. 140RX Ringed w/Pump  (Parts List)
 LXBY64 O.S. FS-120S-E Surpass Ringed 4-Stroke w/o Pump  (Parts List)
 LXCA48 O.S. Carburetor FS120SE  (Parts List)
 LXCA61 O.S. Carburetor #70N FS120SII  (Parts List)

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