FS-91 Surpass II

New improvements to the Surpass design

The FS-91 Surpass II delivers all of the unsurpassed realism and 4-stroke power that Surpass engines are famous for! It replaces the original FS-91, and boasts upgrades over the original that will make it popular with airplane modelers.

• Newly designed carburetor is easier to adjust
  
  
• A quieter muffler delivers lower sound output, with the same power levels
  
  
• Critical engine parts have been plated to provide more resistance to rust

SPECIFICATIONS
Stock Number: OSMG0896
Displacement: 0.912 cu in (15 cc)
Bore: 1.09 in (27.7 mm)
Stroke: 0.976 in (24.8 mm)
Practical rpm: 2,000-12,000
Output: 1.6 hp @ 11,000 rpm
Weight w/muffler & manifold: 23.0 oz. (655 g)
Weight w/o muff & manifold: 21.3 oz. (603 g)
Recommended Props: Stunt: 11x11-12, 12x10-12, 13x9; Scale: 13.5x8, 14x7, 15x6, 16x6, 12x8 3-blade, 12.5x7 3-blade
35920 FS-91 II Surpass Parts Listings