{"product_id":"semto-st-fl2-4-stroke-inline-twin-cylinder-8-6cc-l2-engine-kit","title":"SEMTO ST-FL2 4-Stroke Inline Twin-Cylinder  8.6cc L2 Engine Kit (KIT Version)","description":"\u003cp\u003e\u003cstrong\u003eMaterial: \u003c\/strong\u003eMetal\u003cbr\u003e\u003cstrong\u003eColor: \u003c\/strong\u003eAs shown\u003cbr\u003e\u003cstrong\u003eBrand: \u003c\/strong\u003eSEMTO ENGINE\u003cbr\u003e\u003cstrong\u003eModel: \u003c\/strong\u003eST-FL2\u003cbr\u003e\u003cstrong\u003eNet Weight: \u003c\/strong\u003eApprox. 0.9 kg\u003cbr\u003e\u003cstrong\u003eDimensions: \u003c\/strong\u003e113.1 × 91.5 × 103.4 mm\u003cbr\u003e\u003cstrong\u003eEngine Type:\u003c\/strong\u003e Nitro internal combustion engine\u003cbr\u003e\u003cstrong\u003eFormat: \u003c\/strong\u003eKit version\u003cbr\u003e\u003cstrong\u003eDisplacement: \u003c\/strong\u003e8.6cc (2 × 4.3cc)\u003cbr\u003e\u003cstrong\u003eCycle: \u003c\/strong\u003e4-stroke\u003cbr\u003e\u003cstrong\u003eCylinder Configuration: \u003c\/strong\u003eInline-twin\u003cbr\u003e\u003cstrong\u003eBore: \u003c\/strong\u003e18.00 mm\u003cbr\u003e\u003cstrong\u003eStroke: \u003c\/strong\u003e17.00 mm\u003cbr\u003e\u003cstrong\u003eValvetrain: \u003c\/strong\u003eSingle Overhead Cam (SOHC)\u003cbr\u003e\u003cstrong\u003eSpeed: \u003c\/strong\u003e3000–20,000 rpm\u003cbr\u003e\u003cstrong\u003ePower: \u003c\/strong\u003e1.2 HP\u003cbr\u003e\u003cstrong\u003eCooling System: \u003c\/strong\u003eWater-cooled\u003cbr\u003e\u003cstrong\u003eCooling Circuit: \u003c\/strong\u003eBuilt-in centrifugal water pump\u003cbr\u003e\u003cstrong\u003eLubrication: \u003c\/strong\u003eMixed\/Splash lubrication\u003cbr\u003e\u003cstrong\u003eStarting Method: \u003c\/strong\u003eElectric start (480 brushed motor)\u003cbr\u003e\u003cstrong\u003eGlow Plugs:\u003c\/strong\u003e Type F glow plugs × 2\u003cbr\u003e\u003cstrong\u003eIgnition System:\u003c\/strong\u003e 2-in-1 ignition module\u003cbr\u003e\u003cstrong\u003eCooling Hardware:\u003c\/strong\u003e Water tank and fan-cooled radiator\u003cbr\u003e\u003cstrong\u003eFuel: \u003c\/strong\u003e25% nitro fuel\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Introduction:\u003c\/strong\u003e\u003cbr\u003eThe all-new SEMTO ENGINE ST-FL2 has officially launched, designed specifically for hardcore RC enthusiasts and mechanical engine hobbyists. We created this inline-twin, 4-stroke nitro engine kit to suit real-world RC modification scenarios, condensing the mechanical allure of a genuine automotive engine into a scale model. It is not merely a static display piece, but a fully functional internal combustion engine that you assemble yourself. Precision CNC-machined and anodized aluminum components faithfully replicate the structure and dynamic aesthetics of a real SOHC automotive engine. Balancing ease of tuning with stable power delivery, this engine is perfectly suited for 1\/8 scale RC model modifications. Whether for DIY RC car modification, STEM classroom demonstrations, or as a premium desktop collectible, the ST-FL2 offers a wide range of possibilities. Assemble the entire unit by hand, witness the roar of the twin-cylinder engine coming to life, and immerse yourself in the mechanical mysteries of internal combustion. It is a perfect addition for engine collectors and a high-quality, impressive gift for mechanical enthusiasts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Description:\u003c\/strong\u003e\u003cbr\u003e1. RC-Compatible \u0026amp; Highly Expandable: Designed specifically for RC model cars, it features a compact, lightweight body and powerful performance. It supports clutch installation and gearbox modifications, offering ample room for upgrades to meet various customization needs.\u003cbr\u003e2. Precision Craftsmanship \u0026amp; High Realism: CNC-machined from aluminum with a sandblasted, anodized finish, it faithfully replicates the structure of a real automotive engine. Built for durability with authentic mechanical operation, it serves as both a powerful drive unit and a premium desktop collectible.\u003cbr\u003e3. Powerful Performance \u0026amp; Easy Tuning: Equipped with an electric starter for convenient ignition. Features a single carburetor and adjustable valves, ensuring sensitive throttle response and easy tuning. A built-in centrifugal water-cooling system maintains stable temperatures during prolonged operation, delivering consistent, reliable power.\u003cbr\u003e4. DIY Kit for Mechanical Exploration: Assemble a fully functional internal combustion engine yourself. Gain an intuitive understanding of four-stroke engine construction and operating principles during assembly, enjoying the immersive fun of mechanical building. It offers a relaxing, stress-relieving activity perfect for hands-on mechanical enthusiasts.\u003cbr\u003e5. Versatile Use \u0026amp; Ideal Gift: Suitable for RC model modification, STEM education, classroom experiments, and personal collections; it is frequently chosen by engineering instructors for teaching mechanical principles. A high-quality gift for model hobbyists, mechanical enthusiasts, and STEM fans.\u003cbr\u003e6. ⚠️ Note: This product is a KIT; accessories such as ignition systems, water-cooling components, fuel tanks\/lines, mounting bases, and batteries are not included and must be purchased separately. Please operate the machine in accordance with the instructions in the manual. If you have any questions about the product, please contact us promptly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Age: \u003c\/strong\u003e16+\u003cbr\u003e\u003cstrong\u003ePackaging: \u003c\/strong\u003eColor box\u003cbr\u003e\u003cstrong\u003ePackage Contents: \u003c\/strong\u003eEngine kit × 1 set\u003cbr\u003ebasic assembly tools × 1\u003cbr\u003emanual × 1\u003c\/p\u003e","brand":"enginediyshop","offers":[{"title":"Engine","offer_id":62746782236812,"sku":"3759608","price":399.99,"currency_code":"USD","in_stock":true},{"title":"Starter Kit","offer_id":62746782269580,"sku":"3761969","price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0548\/8377\/8700\/files\/4a0e48ea-26ae-4b64-8e08-bd94cbf06445.jpg?v=1791969866","url":"https:\/\/www.enginediyshop.com\/products\/semto-st-fl2-4-stroke-inline-twin-cylinder-8-6cc-l2-engine-kit","provider":"enginediyshop","version":"1.0","type":"link"}