- .61 SX-HG was
designed to be the most powerful .61 heli engine
- Unique 3-needle
carburetor provides very fine, extremely accurate
adjustment throughout the entire rpm range
- All are stock
powerhouses right out of the box-no need for
- .61 SX-HG "WC"
World Championship version is aimed at F3C
competition. The power has been increased and
includes a modified 60B carburetor.