VORTRIXE & VAMRION F2 Gasoline Engine Upgrade Water-Cooled 2 Cylinder

Regular Price: $349.99

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Regular Price: $499.99

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Vortrixe F2 mini gasoline engine model kit

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Vortrixe FSL200 VS Upgrade F2

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VORTRIXE & VAMRION F2 Gasoline Engine Upgrade Water-Cooled 2 Cylinder 4 Stroke Engine Model Kit

Features:

- The upgraded VAMRION F2 7.5cc four-stroke twin-cylinder engine kit features a compact inline-twin design, delivering a more stable and user-friendly experience while preserving authentic mechanical details.

- Equipped with an upgraded circulating water-cooling system and an integrated mechanical water pump, the engine provides efficient thermal management, significantly improving stability and reliability during extended operation.

- Manufactured using high-precision CNC machining and premium metal materials, key components are produced under strict tolerance control for smoother operation, enhanced durability, and improved mechanical realism.

- Featuring a 3.75cc × 2 displacement, 16.68mm bore, and 17mm stroke, the engine accurately replicates the structure and motion of a real twin-cylinder four-stroke engine.

- Equipped with a single overhead camshaft (SOHC), CDI ignition system, electric starter design, and mixed-fuel lubrication system, allowing users to better understand the fundamental operating logic of an internal combustion engine.

- The upgraded integrated starting system makes the engine easier to start, more stable at idle, and less likely to stall during operation, significantly improving overall user friendliness.

- No professional mechanical background is required, allowing users to assemble the engine from scratch and experience the full process from construction to successful startup.

- The kit provides a rich hands-on experience in assembly, observation, and tuning, helping users understand how key mechanical systems work together through practical experience.

- Throughout the building and operating process, users develop a clearer understanding of mechanical transmission and power logic while improving engineering thinking and structural comprehension.

- When properly assembled and tuned, the engine can operate within an approximate 1,600–12,000 RPM range, delivering a realistic and engaging running experience.

- Compatible with RC models and gearbox expansion systems, offering strong modification and powertrain potential for DIY builders and mechanical enthusiasts.

- Free worldwide shipping ensures users everywhere can easily begin their engine exploration journey, combining educational value, engineering aesthetics, collectability, and long-term playability.

Model	VAMRION-F2
Material	Metal
Valve Mechanism	Single Overhead Camshaft (SOHC)
Displacement	3.75cc × 2 = 7.5cc
Cylinder Layout	Inline Twin-Cylinder
Stroke Type	4-Stroke
Bore	16.68mm
Stroke	17mm
Speed Range	1,600–12,000 rpm
Power Output	Approx. 1.5 PS / HP
Cooling System	Circulating Water Cooling with Internal Water Pump
Lubrication	Mixed Fuel Lubrication
Starting Method	Electric Motor Start
Ignition System	CDI Ignition Module Required (Not Included in Standalone Engine Version)
Spark Plug Type	ME-8 Spark Plug, 1/4"-32 Thread
Starting Voltage	7.4V 2S Lithium Battery or 11.1V 3S Lithium Battery Required (Not Included in Standalone Engine Version)
Fuel Type	Gasoline or Zippo Lighter Fluid
Product Size	103.8 × 79.6 × 92.4mm / 4.09 × 3.13 × 3.64in
Product Weight	680g / 1.50lb
Package Size	150 × 150 × 130mm / 5.91 × 5.91 × 5.12in
Package Type	Graphic Carton Box
Recommended Age	14+
Package Includes	Twin-Cylinder Engine Kit × 1; High-Quality L-Shaped Allen Key Set × 5
Advanced Starter Kit Accessories List	Metal base; Power cable with switch; CDI ignition unit and Hall sensor; Hall sensor bracket; Metal fuel tank and fuel tank bracket; Metal water tank and water tank bracket; Radiator and radiator bracket; Fuel tubing and water tubing; 2600mAh 3S lithium battery; Battery charger; Spark plugs × 2; Complimentary Accessories: Multifunction spark plug wrench and Small oil bottle (oil can)

What Is Included in the VAMRION F2 Upgrade Gasoline Engine Kit?

The upgraded VAMRION F2 Engine Kit includes all required engine components and a detailed printed instruction manual for assembly.

Customers can choose between the engine-only version or the complete starter package. For the best building and running experience, we recommend the complete package, which includes the engine and all essential starting accessories.

If you require additional accessories or custom configurations, please contact our customer support team. We will be happy to assist with compatible upgrade and accessory options.

What Tools Are Required to Assemble the F2 Engine Kit?

Required Assembly Tools

* Needle-nose pliers
* Tweezers
* 1.3 mm, 1.5 mm, 2.0 mm, 2.5 mm, and 3.0 mm hex wrenches
* 8 mm hex socket
* 2-stroke engine oil
* Lubricating grease

The kit includes an upgraded set of high-quality L-shaped hex wrenches, allowing most assembly work to be completed directly from the box. You only need to prepare a few common DIY tools and lubricants.

Required Starting Accessories

* CDI ignition module
* 7.2V–11.1V 20C battery pack
* Two 1/4-32 spark plugs
* 2-stroke engine oil
* Gasoline or kerosene fuel

To simplify setup, we offer optional starter packages that include the ignition system, battery, spark plugs, and other essential starting components.

How Difficult Is It to Assemble and Start the F2 Engine Kit?

The F2 Upgrade Engine Kit has been designed with beginners in mind. By carefully following the instruction manual, most users can successfully complete the assembly and start the engine even without prior engine-building experience.

Compared with previous versions, the upgraded design features improved structural integration, easier assembly procedures, and a more user-friendly starting system, significantly reducing the learning curve.

What Fuel Should Be Used?

We recommend using gasoline or kerosene mixed with 2-stroke engine oil.

Because the engine uses a fuel-mixed lubrication system, the recommended fuel-to-oil ratio is approximately 30:1 to 35:1. Proper fuel mixing helps reduce wear, improve reliability, and extend engine service life.

Can This Engine Be Used for RC Models? Does It Support Modifications?

Yes. The F2 Engine is designed to be compatible with RC applications, especially when paired with a suitable transmission or gearbox system.

Its compact size and high-performance design make it suitable for RC vehicles, boats, custom projects, and engineering demonstrations. The engine also provides an excellent platform for modification, tuning, and learning about internal combustion engine principles.

Is the Instruction Manual Available in Multiple Languages?

Currently, the printed instruction manual is available in English only.

If you need translation assistance or have technical questions during assembly, our customer support team is available to help.

How Should I Maintain and Lubricate the Engine?

The engine relies on fuel-mixed lubrication, so the correct fuel-to-oil ratio should always be maintained during operation.

Regular maintenance is recommended, including:

* Checking all fasteners and connections
* Keeping moving parts properly lubricated
* Cleaning residual fuel and oil after use
* Inspecting the ignition and fuel systems periodically

When not in use, thoroughly clean the engine and store it in a dry, cool environment to help prevent corrosion and extend its service life.

Who Is This Engine Kit Suitable For?

The F2 Engine Kit is suitable for:

* Beginners interested in engine mechanics
* Internal combustion engine enthusiasts
* STEM and engineering education users
* Mechanical model collectors
* DIY builders and modification enthusiasts
* RC hobbyists seeking a realistic gasoline-powered engine experience

It offers both the satisfaction of hands-on assembly and the excitement of starting and tuning a real running gasoline engine.

What Safety Precautions Should I Follow?

For safe operation, always use the engine outdoors or in a well-ventilated area. Engine fuel is toxic and highly flammable, so avoid contact with eyes and mouth, keep it away from open flames, and store it in clearly labeled containers out of children's reach.

During operation, wear safety glasses and protective gloves. Ensure all screws, fuel lines, ignition components, and mounting hardware are securely installed before starting.

Keep all wires and loose objects away from rotating parts. Spectators, especially children under the age of 14, should remain at least 3 meters (10 feet) away from the engine while it is running.

The engine and exhaust system become extremely hot during operation and remain hot for some time after shutdown. Avoid touching any engine components until they have cooled completely.

Never operate the engine in an enclosed space, as combustion produces carbon monoxide that can be dangerous or even fatal in poorly ventilated environments.