FS-120S-E

O.S. developed the Surpass Series of 4-stroke engines for discerning fliers who demand more power. Able to swing larger props and supply more usable horsepower, Surpass 4-strokes provide the best performance for your plane, regardless of scale or flying style.

O.S. 2-year Limited Warranty
  • Specifications
  • Exploded Views
  • Parts Listing
  • Accessories
Stock Number: OSMG0930
Displacement: 1.218 cu in (20 cc)
Bore: 1.22 in (13 mm)
Stroke: 1.08 in (27.5)
Practical rpm: 2,000-11,000
Output: 1.87 hp @ 11,000 rpm
Weight:
    30.5 oz (864 g) w/o muffler
    33.3 oz (944 g) w/ muffler
Includes: #F glow plug, exhaust header, muffler
Recommended Props: 13x11-12, 14x10-11, 15x8, 16x6-7, 17x6

Primary Accessories

Stock Number Mfr Number Product Description Quantity Needed
 DAVG3220   120F  Dave Brown Engine Mount 120 Four Stroke 1
 DUBQ0620   341  Dubro In-Line Fuel Filter Large Scale 1
 TOPQ5180   TOPQ5180  Top Flite 15x8 Power Point Propeller 1

Field Equipment

Stock Number Mfr Number Product Description Quantity Needed
 PAAP1453   PT31  Pacer Zap After-Run Engine Oil 1 oz 1

Optional Accessories

Stock Number Mfr Number Product Description Quantity Needed
 OSMG2692   71615009  O.S. Type F Glow Plug Medium Four Stroke 1
 OSMG5688   45526200  O.S. Exhaust Joint 120Surpass 1
 OSMG6334   72200060  O.S. 4-Stroke Valve Adjustment Kit 1
 ZINQ1332   806  Zinger 14x10 Wood Propeller 1