Operator’s Manual, introduces the features and characteristics of the BF-25EI and BF-34EI EIS 4-cylinder engines.
This manual provides instructions for the FUJI-IMVAC BF-25EI and BF-34EI EIS 4-stroke engines, which are designed for use in model aircraft. It includes detailed specifications for both models, such as displacement, weight, and peak horsepower, along with safety warnings regarding propellers, fuel, and electrical components.
| Displacement (BF-25EI) | 24.5cc |
|---|---|
| Displacement (BF-34EI) | 34cc |
| Weight (BF-25EI) | 2.1 kg [4.7 lb] |
| Weight (BF-34EI) | 2.6 kg [5.9 lb] |
| Peak Horsepower (BF-25EI) | 1.6hp @ 7,500 rpm |
| Peak Horsepower (BF-34EI) | 2.0hp @ 7,500 rpm |
| Fuel Type | Automotive Unleaded Gasoline |
| Ignition Battery | 4.8V, 850mAh NiMH |
No, the engine does not require break-in and is ready to fly right out of the box.
Use low octane, alcohol-free gasoline. Do not use gasoline containing alcohol.