User manual for the DLE 85 engine covering safety, specifications, adjustment, start‑up and maintenance.
The DLE 85 engine manual provides safety instructions, detailed specifications, and step‑by‑step procedures for adjusting, starting, and maintaining the engine. It emphasizes proper assembly, use of Loctite on fasteners, and safety precautions around the propeller.
The guide also includes fuel‑oil mixture recommendations, break‑in procedures, and regular maintenance tasks such as cleaning the carburetor filter and checking for fuel leaks. Contact information for the manufacturer is provided at the end. This manual is written in Chinese.
| Power | 8.5 HP @ 7500 rpm |
|---|---|
| Idle Speed | 1500 rpm |
| Static Thrust (100 m) | 21 kg |
| Static Thrust (1800 m) | 18 kg |
| Propeller Sizes | 25×10, 26×9, 27×8 |
| Spark Plug | NGK CM6 |
| Displacement | 85 cm³ |
| Bore × Stroke | 52 mm × 40 mm |
| Compression Ratio | 9.5 : 1 |
| Lubrication Ratio | 30 : 1 |
| Weight (engine only) | 1930 g |
| Ignition Voltage | 4.8 V – 8.4 V |
Run the engine at 3000 rpm for 2 hours during the break‑in period.
Use 92# gasoline mixed with engine oil at a 30 : 1 ratio.
Check that all screws and nuts are tight, use Loctite on fasteners, stand clear of the propeller, and wear protective eyewear.