4-stroke power — nostalgic looks!
With its individual valve covers and machined aluminum pushrod guides, the O.S. FS-95V Ringed 4-Stroke has the classic looks that will perfectly complement your next scale project! Delivers steady power at all times, reaching a perfect balance between high combustion and efficient cooling. The carburetor is positioned on the center line for easy installation in a variety of models. Includes a Jet Stream muffler for an authentic four-stroke “sound”, carburetor, glow plug and header.
- Larger in displacement than the FS-91 Surpass II, but lighter in weight.
- Broad power band for a wide range of airplanes, including models designed for 2-stroke .60 and 4-stroke .90 engines.
- Machined aluminum pushrod guides.
Key Features
- Broad power band for a wide variety of airplanes including models designed for .60 2-stroke and .90 4-stroke engines
- Redesigned cylinder head to match angled valve layout for steady power at all times and a perfect balance between high combustion and efficient cooling
- Redesigned “Jet Stream” muffler with unique shape for more authentic four stroke sound
- Same mounting dimensions, drive hub position and linkage position as the O.S. FS-91 Surpass II, 61FX, 65LA, 75AX, 95AX and FS-110
Product Specifications
| Manufacturer # | 30900 |
| Product Height | 4.7″ (119mm) crankcase botton to top of cylinder head |
| Prop Range | 13×7-9 – 15×6-8 |
| RPM Range | 2,100 – 11,000 |
| Cylinders | Single |
| Product Width | 2.4″ (61mm) at mounting tabs |
| Bore | 1.142″ (29mm) |
| Crankshaft Type | Threaded |
| Power Type | Glow |
| Plug Type | O.S. type F |
| Stroke | 0.929″ (23.8mm) |
| Crankshaft Threads | UNF5/16-24 |
| Muffler Weight | 2.05 oz (58 g) |
| Engine (Only) Weight | 20.88 oz (592g) w/o muffler |
| Displacement | 0.951 cu in (15.59 cc) |
| Oil Type & Content | At least 16% synthetic lubricant |
| Product Length | 3.4″ (115.7mm) from carburetor to front of drive hub |
| Muffler Type | 2-piece aluminum |
















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