SAITO FG-73R5 4-stroke gasoline star engine.
Scale enthusiast's choice, awesome 4-stroke star engine sound.
The Saito FG-73R5 is equivalent to a 2-stroke 50CC gasoline engine.
You can find the manual here
Saito FG-73R5
Saito FG-73R5 - 5-Cylinder Radial 4-Stroke Gasoline Engine
This radial gasoline engine is a scale-modelers delight, delivering an incredible sound, smooth poower and reliability that Saito has built their reputation on.
Features:- Application: 2-stroke 50cc gasoline class
- 5-cylinder radial offers great scale appearance
- 2S Li-Po battery compatible ignition provides easy starts and reliable performance
- Amazing 4-stroke Saito™ engine sound
- Updated intake design
- The engine comes complete with electronic ignition, flex-pipe exhausts and engine standoffs
- Saito recommends the use of KLOTZ Original Techniplate synthetic oil, at a mix ratio of 15:1 – 20:1
Specs:- Displacement: 72.7cc
- Bore: 29.0mm
- Stroke: 22.0mm
- Weight (Approx): 2600g
- Weight (Muffler): 280g
- Weight (Ignition): 380g
- Practical RPM Range: 1200~7800rpm
- Suggested Prop Size: 22"×10"~23"×10"
- Battery for Ignition: 6-8.4V with more than 1.5Ah
- Spark Plug: SP-1 or SP-2 (1/4-32)