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 [...]
The well-known Piper J-3 Cub is one of the most recognized designs in aviation. The CMPro model features all balsa construction except for the fiberglass cowl. This results in a light but strong model.