This user manual provides safety instructions, specifications, adjustment procedures, startup steps, and maintenance guidelines for the DLE 40 engine.
The document serves as a comprehensive guide for the operation and care of the DLE 40 two-stroke engine. It emphasizes critical safety precautions regarding propellers and vibration during break-in, alongside specific instructions on using Loctite for fasteners.
Technical specifications detail the engine's performance metrics, including 4.8HP output at 8500rpm and a displacement of 40cm3. The manual also covers carburetor adjustment procedures, startup sequences for both cold and warm engines, and maintenance requirements such as fuel mixing ratios and break-in protocols. This manual is written in Chinese.
| Power Output | 4.8HP/8500rpm |
|---|---|
| Idle Speed | 1500 rpm/min. |
| Static Thrust (Sea Level) | 9.5Kg |
| Displacement | 40cm3 |
| Bore x Stroke | 32mm x 25mm |
| Compression Ratio | 10.5:1 |
| Lubrication Ratio | 30:1 |
| Weight (Main Engine) | 1170 g |
The manual recommends a ratio of 30:1 using clean 92# petrol and engine oil.
The specified spark plug model for this engine is NGK CM6.
Compatible propeller specifications include 19x8, 19x10, 20x8, and 20x10.
Run the engine at 4000 rpm/min for 2 hours to properly break it in.