DLE 120CC EFI Twin Cylinder Gasoline Engine – Electronic Fuel Injection UAV & RC Power System

The Original DLE120 EFI Electronic Fuel Injection Gas Engine for UAV & RC Aircraft is a powerful, professional-grade twin-cylinder petrol engine designed for demanding airborne applications where reliable power, efficiency and consistent fuel delivery matter.

Built around the trusted DLE120 platform and upgraded with electronic fuel injection (EFI) technology, this engine is an excellent solution for UAV developers, fixed-wing drone builders, RC aircraft pilots, aerospace researchers, engineering teams, universities, flight test programmes and industrial prototyping projects looking for a high-performance gasoline engine platform.

Unlike conventional carburettor-based systems, the DLE120 EFI benefits from electronic fuel injection for more precise fuel metering, improved throttle response, cleaner running characteristics and greater consistency across varying operating conditions. This makes it especially attractive not only for advanced RC aircraft, but also for unmanned systems integration, long-endurance UAV projects, aerial research platforms and specialist aviation applications.

Whether you are building a large-scale RC aircraft, developing a fixed-wing UAV, testing a custom propulsion setup, or sourcing engines for research, institutional or commercial engineering use, the DLE120 EFI offers the kind of performance and technical appeal that goes far beyond the traditional hobby market.

We supply the original DLE120 EFI from UK stock, helping customers secure faster dispatch and dependable supply. This product is also ideal for trade buyers, resellers, drone integrators, aerospace workshops, technical colleges and laboratories seeking quality petrol-powered UAV propulsion components..

MOQ of 3 units. We can accept 2pcs, however, the price may be slightly higher. Get in touch here. 

Electronic Fuel Injection (EFI) system

Unlike traditional carbureted engines, the EFI system provides:

• precise fuel delivery

• improved throttle response

• better fuel efficiency

• automatic adjustment to environmental conditions

This results in more stable engine performance and easier operation

Twin-cylinder power architecture

• 120CC displacement

• twin-cylinder configuration

• smooth power delivery

• reduced vibration compared to single-cylinder engines

Designed for large-scale aircraft and high-load propulsion systems.

Multi-industry applications

RC Aircraft (Primary)

large-scale models

aerobatic aircraft

high-performance builds

UAV & drone systems

long-endurance UAV platforms

industrial drones

surveillance systems

Engineering & industrial use

test platforms

mechanical propulsion systems

custom engineering applications

Performance advantages

• consistent fuel delivery

• improved starting reliability

• optimised combustion efficiency

• reduced tuning complexity

Ideal for advanced users

This engine is suited for:

• experienced RC pilots

• UAV developers

• engineering professionals

• industrial system integrators

High-performance EFI gasoline engine for advanced applications

Specification:

Power: 12HP/8500rpm

Static thrust: 26.5kg/100m height

Static thrust: 23.8kg/1800m height

Recommended propellers: 26x10; 26x12; 27x10; 28x10;

Displacement: 120cm3

Lubrication ratio: 40:1

Weight (engine with air intake): 2.8kg

Weight (ECU): 110g

Weight (fuel pump): 170g

Voltage: 12V

Power Draw: 1 Amp peak, 1 hour / 1,000mAh

Temperature range: -20° – 50° C

Package Includes:

LUTAN EFI ECU

LUTAN Self-priming Fuel Pump

Wiring Harness

CDI Module

Isolation Rack

Worldwide shipping available for only £2, regardless of size or weight.