- The adjustable F5030 muffler can be rotated 360° and moved in or out for a perfect fit. Rich, deep sound is an added benefit.
- Features the same mounting bolt pattern as the FL70 and the FS70 Ultimate for easy replacement.
- A reversible carb and narrower camshaft housing simplify installation.
- Tighter tolerances and updated engineering reduce maintenance and ease setup.
- Delivers more performance power to sport pilots and more realistic flight to scale pilots.
- Blowby oil exits through the breather nipple on back plate for more stable operation
- Black rocker covers
- 61N aluminum body carburetor with rotary throttle lever, high speed needle valve, and low speed mixture control, extended intake tube eliminates reverse flow tendency of air/fuel mixture, carb is reversible 180°
O.S. leads the way in advanced 4-stroke engine technology, and you’ll see for yourself when you mount the FSa-72II in your model! Sport flyers will enjoy greater performance, while scale pilots will experience more realistic flight. Plus, everyone will benefit from the FSa-72II’s deep, rich sound.