LETDIYMOC Engine Model Kit That Runs for Adults, L2 Mini Engine ST-NF2 7cc Inline 2-Cylinder 4-Stroke Air-Cooled Full Metal Engine Build Kit Motor Physics Toy for Teachers - DIY Assembly Kit

LETDIYMOC Engine Model Kit That Runs for Adults, L2 Mini Engine ST-NF2 7cc Inline 2-Cylinder 4-Stroke Air-Cooled Full Metal Engine Build Kit Motor Physics Toy for Teachers - DIY Assembly Kit

• 🟣 High Simulation 2-cylinder 4-stroke Metal Engine: The engine model with a realistic appearance and silver sport elements meaning thunderbolt movement is closer to a real engine. Carburetor: Enjoy easier adjustment and more sensitive throttle response thanks to the brand-new signal carburetor.
• 🟢 Miniature: Treated by aluminum CNC processing and oxidation coloring, the delicate engine features a meticulous surface, compact structure and lightweight body. Electrical Starting: Equipped with a high-torque 480 brush DC motor for a more convenient and smooth start.
• 🟡 Rocker Arm: The short rocker arm makes the valve switch function more accurate. Dual Synchronous Belt: The timing structure of a dual synchronous belt pulley greatly reduces the risk of gear jumping in high-speed function.
• 🔵 Carburetor: Enjoy easier adjustment and more sensitive throttle response thanks to the brand-new signal carburetor. Crankshaft: Adopts asynchronous crankshaft structure for strong power, smoother function and a max speed of up to 16000rpm.
• 🟠 Note: Starting Ignition set is not included, please prepare or buy it by yourself. DIY: You can walk through the internal structure and mechanical function principle of the engine while enjoying DIY assembling fun with the desktop engine model.