Overview
Perfect for 3D, precision and sport flying!

Features
Suitable for 3D, precision and sport flying
25% more displacement than a .91, but bolts into the same space with almost no extra weight
Power Box muffler included
Angled heat sink adds more surface area

Product Information
Perfect for 3D, precision and sport flying!
It's a fantastic way to ratchet up horsepower for more flying fun! The 120AX, which boasts 20% more displacement than a .91, can turn bigger props with ease, resulting in improved 3D, precision and sport flying. Boost your plane's performance, without compromising weight � bolt in a 120AX and see the difference for yourself!
With the 120AX, there's no need to buy an expensive aftermarket muffler! The included Power Box muffler comes with two adapters � one of which turns the muffler 90deg to become a "Pitts style."

Specs
Displacement: 1.20 cu in (20 cc)
Bore: 1.197 in (30.4 mm)
Stroke: 1.083 in (27.5 mm)
Practical rpm range: 1800-9500
Power Output: 3.1 hp @ 9000 rpm
Weight With Muffler: 29.0 oz (823g)
Weight Without Muffler: 22.8 oz (647g)