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| OSM34300 OS .56 FS-A Four Stroke, Ringed Engine |
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Features
- Improvements over the original FS series include;
- Elimination of crankcase venting-excess crankcase oil is now drawn
- drawn into the rocker cover and injected back into the combustion
- chamber
- Stronger connecting rod, wristpin and valve assembly
- Extended intake tube on carburetor restrains the reverse flow of
- the air/fuel mixture
- Decreased width camshaft housing for less interference with sides
- of aircraft nose section
- F-4040 muffler with adjustable off-set and outlet direction for
- easier cowl installations
- 40NA two needle carburetor
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