FS-91 Surpass II with Pump
Pump feature adds responsiveness to the FS-91 Surpass
New regulating style pump, normally only found in 1.20 class engines, delivers better response and reliability
Rear ball bearing is rubber-sealed on both sides and greased internally to help inhibit bearing corrosion
The crankshaft, cam shaft and piston ring are all plated to further resist corrosion
Features a reversible carb which allows the needle valve to face either the left or right side of the engine
Black anodized rocker cover
A large-volume muffler offers better noise reduction for milder sound
SPECIFICATIONS
Stock Number:
OSMG0890
Displacement:
0.912 cu in (14.95 cc)
Bore:
1.091 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:
23.9 oz. (678 g)
Weight w/o muffler & manifold:
22.2 oz. (630 g)
Recommended Props:
Stunt: 11x10, 11x11, 12x9.5, 12x10, 12x11; Scale: 13.5x8, 14x7, 15x6, 16x6, 12x8 3-blade, 12.5x7 3-blade
35910 FS-91 II Parts Listing
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