Classifieds Engines For Sale OS FS 120 Surpass II with pump; Thread Tools: This thread is privately moderated by SpitfireBob, who may elect to delete unwanted replies good transition and stable idle. Also included is the APC 15x6 prop, manual, tools, mounting template and decals. Images View all Images in thread. Views: 0; Views: 0; Views FS-120 III Surpass Ringed 4-Stroke Glow Single with Muffler, by OS Engines. This is one of the O.S. Surpass series of 4-stroke model engines. The Surpass series is the 2nd series of 4-stroke engines (The 1st series was the FS series, discontinued and replaced by the Surpass series around 1986-7). "Surpass" refers to this series gaining 30% more Os Fs 120 Manual. 8/10/2020 0 Comments Add To Cárt View FS120III Pump Ring 70N Carb O.S. (Ships within three business days after order placed) 799.99 This is one of the O.S. Os Fs 120 Series Óf 4. Surpass series óf 4-stroke model engines. The Surpass séries is the 2nd series of 4-stroke engines (The Read More This product may take Especially in terms of performance, they considerably surpass the previous OS four-stroke engines of the same displacement size. 19.96 cm³ displacement. Quadruple ball bearings with fuel pump. Technical data. Longitudinal clearance holes [mm]: 25mm. Spacer holes crosswise [mm]: 58mm. Article number Manufacturer: OS35540. extends from the standard suction-feed FS-120S-E to the unique ultra-high performance FS-120S-SP, the world's only production model engine to be equipped with a genuine crank-shaft-driven supercharger. The FS-120S3 is fitted with the new O.S. PD-07 diaphragm type fuel pump and matching Type 70N carburettor incorporat- I tear down this engine for a cleaning and inspection. Unsure if the bearings need to be replaced but I will find out.Please check out my Blog pagesw Title: OS FS-91 Surpass Manual Author: Scanned By Gregory Kamysz Created Date: 5/11/2008 4:40:56 AM Title: H000006.tif Author: GREGORY Created Date: 5/11/2008 1:47:10 AM OS FS-120 Surpass III Pump issues. 2. Converting OS FS-120 to Surpass III. 3. Wanted: Crankcase for OS FS-120 Surpass II w/pump. 4. OS FS - 120 Surpass III experiences? 5. YS 120 4C NC or OS FS-120 Surpass II. 6. OS 120 Surpass III reliability. 7. OS 120 Surpass III rpm with 16 X 8 APC. 8. OS 120 Surpass III questions. 9. OS 120 Surpass II w An updated version of the FS120 MkII now fitted with an integral O.S.Type PG-03 fuel pump and carburettor with built-in fuel regulation to offer the maximum engine reliability irrespective of the fuel tank's position and model attitude. The FS-120 MkIII features four ball bearings and a special propeller locknut assembly as standard.