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O.S. - OSMG2678 OSM72108510 72108510 531028602045 4531028602045
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  Tech Notes

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O.S. Flex Pipe FS120SIII 120mm 1414A
O.S. Flex Pipe FS120SIII 120mm 1414A
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O.S. Flex Pipe FS120SIII 120mm 1414A Add to Wish List
61.10  Add To Cart 2.88  
O.S. Flex Pipe FS120SIII 120mm 1414A Add to Wish List
91.17  Add To Cart 4.80  
O.S. Flex Pipe FS120SIII 120mm 1414A Add to Wish List
151.15  Add To Cart 8.80  

Tech Notes
This is the Short Flexible Exhaust Pipe for the O.S. Max
FS-120III Engine W/Pump (OSMG0935).
This Flexible Pipe replaces the existing header to allow rerouting
the silencer farther away from the engine or cowl.


Uses the silencer that came with the engine, it replaces the header.
Reroutes the exhaust to a more convenient location.


One Short Flexible Exhaust Pipe for the O.S. Max FS-120III Engine W/
Pump with:
Two pipe nuts.
One pipe adapter.


Length neglecting threaded part: 4.61" (117mm)
Overall Length: 5.79" (147mm) (including the adapter)
Thread Size on Nut: 11mm at one end and 14mm at the other.
Diameter of Flex Pipe: 14.2mm (0.56")


Threading pipe into exhaust port and tightening locknut with a 17mm


This pipe should not be bent in a diameter that is less than four
times the radius of the pipe. Bends in the pipe should be as far
as far as possible from the threaded part of the pipe. Final
adjustment should be made in steps of only 2-3 at a time.
Repeated adjustments to alter the shape of the pipe will weaken the
pipe and cause it to break.
This works on any 120 surpass engine

JXS 12/13/01


– 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. Flex Pipe FS120SIII 120mm 1414A
This item is an optional part for the following:
 LXBY65 O.S. FS-120 III Surpass Ringed 4-Stroke w/Pump  (Parts List)
 LXCA61 O.S. Carburetor #70N FS120SII  (Parts List)

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