| Brand | O.S. |
|---|---|
| Compatible Brand | For OS |
| Type | 4-Stroke Engine |
| Compatible Vehicle Type | Airplanes & Aircraft |
| Model | 56 |
| Compatible Fuel Type | Nitro & Glow Fuel |
Check the listing for details. O.S. FS-56-a Alpha 4-Stroke Engine - RAN ONCE -(Stuck Needle Valve). Condition: Used. Listed at 175.00 USD. During the initial tuning, the needle valve was tightened or set in a way that it is now stuck/stripped and will not unscrew from the carburetor body. The engine is being sold as-is for this reason.
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