Ratio of compression: 8.6:1
Lubrication Ratio：25:1~30:1 （Trial Run）, 40:1~50:1（Normal
Weight: Main engine: 7280g Exhaust pipe: 240g Ignition:
Safety Instructions before starting engines
This engine is not a toy! Serious injury and /or death can
occur from its misuse! READ and become familiar with this
entire instruction manual. LEARN the engine's applications,
limitations, and possible hazards. DLA is not responsible
for any loss, injury or damage resulting from the use of its
1. Keep all spectators at least 30 feet away from the engine
while operating the engine.
2. Do not put anything (e.g. fingers, body parts, objects, et al)
into the rotating propeller
3. Wear proper apparel. Do not wear loose clothing, gloves,
neckties, jewelry, or neck straps
，
which may get caught in
4. Always wear eye protection when starting the engine.
5. Inspect engine mount bolts and firewall integrity before
6. Turn off the engine before making any adjustments.
7. Always use the proper size and well-conditioned propeller.
8. Always use the correct length propeller bolts and make sure
they are tight before every flight. (Screw thread-locking
9. Remember to keep engine fuel in a safe place, away from
any sparks, excessive heat, or anything which could ignite
the fuel. Remember that gasoline/mixture is highly
flammable and must be handled with extreme caution. Do not
smoke while running or operating the engine.
10. Do not run the engine near loose material such as dirt,
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