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O.S. - OSMG5237 OSM45504030 45504030 531028122765 4531028122765
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O.S. Cylinder Head Assembly FS-120 III
O.S. Cylinder Head Assembly FS-120 III
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O.S. Cylinder Head Assembly FS-120 III Add to Wish List
267.38  Buy Now 12.60  
O.S. Cylinder Head Assembly FS-120 III Add to Wish List
398.97  Buy Now 21.00  

Tech Notes
This is the direct replacement cylinder head for the FS120III.


aluminium construction
brass sleeve for valves


cylinder head
pre-installed intake and exhaust valves


This head will not work with the Surpass I or II engines.
This head is also available without the valves (OSMG5139)
The intake valve is available separately (OSMG9222)
The exhaust valve is available separately (OSMG9223)
Head screws are not included (OSMG8817)
Head gasket is not included (OSMG6199)

DEE 1/15/98

– 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. Cylinder Head Assembly FS-120 III
This item is a replacement part for the following:
 LXBY65 O.S. FS-120 III Surpass Ringed 4-Stroke w/Pump  (Parts List)

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