Description:

OS .91 RZ-H DH Rear Exhaust Ring 60M-C Carb Helicopter Engine

Featuring:

* Diecast cylinder head
* Designed for Hirobo and other scale helicopters where engine must fit inside canopy to preserve heli's scale lines
* Ringed piston
* 60M-C 3-needle carburetor with mid-range needle for precise adjustments
* Two year warranty

Technical Details:

Displacement: 0.912 cu in (14.95 cc)
Bore: 1.091" (27.7mm)
Stroke: 0.976" (24.8mm)
Practical RPM: 2000-16,000
Power Output: 3.3 ps @ 15,000 RPM
Weight: 22.0oz (623g)