Description:

Features:

More cooling fin area extends the life of the engine, and virtually eliminates engine seizures in the air
Added "webbing" on the crankcase strengthens high-stress areas to help ensure that they stand up to the rigors of learning to fly
Overall tighter needle valve fit utilizes an "O" ring to help maintain the performance levels you need
A fuel inlet that points up allows for easier fuel line access for fueling and defueling

recomended propellers: 7x4, 7x5, 8x4, 8x5

Specifications:

Displacement:2.5cc
Bore:15.2mm
Stroke:13.7mm
Practical RPM:2,500-18,000
Output :0.40hp/17,000rpm
Weight:138g

Included:
Carburetor 10G
Muffler #871
Glow Plug #A3