FINCK SEMTO Engine ST-NF2 Engine Model Kit, Air-Cooled L2 Engine Motor Model, Double-Cylinder Four-Stroke Engine kit, Educational Toy STEM Hobby Toy for Adults - Assembly DIY Version - 4750PXTL1701

• High Simulation: The engine model with a realistic appearance and red sport elements meaning thunderbolt movement is closer to a real engine. Treated by aluminum CNC processing and oxidation coloring, the delicate engine features a meticulous surface, compact structure and lightweight body. Dual Synchronous Belt: The timing structure of a dual synchronous belt pulley greatly reduces the risk of gear jumping in high-speed operation. The short rocker arm makes the valve switch operation more accurate. Enjoy easier adjustment and more sensitive throttle response thanks to the brand-new signal carburetor. Electrical Starting: Equipped with a high-torque 480 brush DC motor for a more convenient and smooth start. Adopts asynchronous crankshaft structure for strong power, smoother operation and a max speed of up to 16000rpm. Wide Applications: Blending perfectly with a gearbox for superior compatibility and an excellent guarantee to upgrade, the product makes a stunning mechanical artware, an ideal gift for mechanical engine enthusiasts and a superb teaching aid for demonstration teaching in physical & mechanical classes. You can walk through the internal structure and mechanical operation principle of the engine while enjoying DIY assembling fun with the desktop engine model. Note: This motor needs to be assembled by yourself. Starting Ignition set is not included, please prepare or buy it by yourself. If you have any questions about the product, please contact us in time.