Mini Combustion Engine Model Kit Color: Fuel Tank This doublecylinder, fourstroke aircooled model engine is CNC machined and finished with an oxidized color treatment for a lightweight, durable body and precise mechanical fit. It is designed for hobbyists, model builders, and technical demonstrations that require reliable, speed operation and adjustable throttle control. Key benefits Precision machining and finish: CNC machined components and oxidized surface treatment provide consistent fit, longlasting appearance, and durable construction. Smooth speed operation: Dual timing belts and a precise timing structure reduce gear runout risk at RPM, delivering stable, reliable performance under load. Accurate valve control: Short rocker arms enable precise valve opening and closing, improving the accuracy of valve switching and overall engine timing. Responsive throttle and easy tuning: Equipped with a signal carburetor that is simple to adjust and offers improved throttle response for fine tuning performance. Lightweight and compact: Engineered for model applications where size and weight matter without sacrificing mechanical integrity. Features and specifications Configuration: Doublecylinder, fourstroke, aircooled Drive and timing: Dual timing belts with precise timing structure Valvetrain: Short rocker arms for accurate valve actuation Carburetion: Signal carburetor designed for easy adjustment and responsive throttle control Construction: CNC machined components with oxidized color finish Color option: Fuel Tank Typical uses and applications Model building and display: Use as a working centerpiece in scale models, mechanical displays, or collector projects where visible, operational engines are desired. Technical education and demonstration: Ideal for classroom or workshop demonstrations of fourstroke cycle, valve timing, and carburetor tuning for engineering and hobbyist instruction. Smallscale power demonstrations: Can be integrated into demonstration setups to drive small generators or mechanical loads for illustrating energy conversion and engine behavior. What this product solves Minimizes fit and timing issues common with lowerquality kits through precision CNC machining and a robust timing system. Reduces valve timing error at speed via short rocker arms and accurate valve actuation geometry. Simplifies tuning and throttle control with an adjustable signal carburetor, making it easier to reach desired operating characteristics. Compatibility and installation notes Intended for model engine applications and demonstrations. Verify mounting and coupling arrangements before installation, as specific fittings and adapters may be required for integration with generators, displays, or custom mounts. Routine tuning of the carburetor and inspection of timing belts is recommended to maintain performance. This model kit offers a precise, durable platform for hobbyists and educators who need a compact, tunable, and reliably operating mini combustion engine.