TOYAN FS-L400 Mini Four-Stroke Water-Cooled Nitro Engine Kit

TOYAN FS-L400 Mini Four-Stroke Water-Cooled Nitro Engine – DIY Model Kit

Experience the thrill of real engineering with the TOYAN FS-L400 Mini Four-Stroke Water-Cooled Nitro Engine. This precision-crafted metal engine model is designed for hobbyists, RC enthusiasts, and STEM learners aged 14 and up who want to explore how a real internal combustion engine works — all in a compact, desktop-sized format.

Built from high-quality metal, the FS-L400 faithfully replicates the mechanics of a real four-stroke engine, complete with water-cooling system and nitro (methanol) fuel power. Whether you're building it for your 1/10 scale RC car, boat, or simply as an impressive display piece, this engine kit delivers authentic performance and an engaging hands-on assembly experience.

Key Features

• Four-Stroke Water-Cooled Design: Authentic engine cycle with a dedicated water-cooling system for stable, extended operation.
• Nitro (Methanol) Powered: Runs on nitro fuel for realistic throttle response and impressive RPM range.
• Wide RPM Range: Operates from 3,200 to 13,500 RPM for a broad spectrum of performance.
• High-Precision Metal Construction: Crafted from durable metal components for long-lasting use and a premium look and feel.
• Compact Engine Dimensions: 121.05 × 43.67 × 90.00 mm — perfectly sized for 1/10 RC cars, boats, and other vehicles.
• Impressive Power Output: 3.05 PS power with a 16.60 mm piston diameter and 17.00 mm stroke.
• Displacement: 14cc total (3.5cc per cylinder configuration).
• DIY Assembly: Engaging build process that teaches real mechanical principles — ideal as a gift for budding engineers and RC enthusiasts.
• Recommended Age: 14 years and older.

Technical Specifications

Perfect For

• 1/10 scale RC cars, boats, and vehicles
• Hobbyists and model engine collectors
• STEM education and mechanical engineering enthusiasts
• Birthday gifts for teens and adults (ages 14+)
• Display and demonstration models

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Frequently Asked Questions

Q: What fuel does the TOYAN FS-L400 mini engine use?

A: The TOYAN FS-L400 runs on nitro fuel (methanol-based nitro fuel), which is commonly used in RC model engines. This fuel type provides the authentic throttle response and RPM performance that makes this engine so impressive.

Q: Is this engine compatible with 1/10 scale RC vehicles?

A: Yes. The FS-L400 is designed to fit 1/10 scale RC cars, boats, and other compatible vehicles. Its compact dimensions (121.05 × 43.67 × 90.00 mm) make it ideal for these applications. Always verify compatibility with your specific RC chassis before installation.

Q: Does the FS-L400 engine come fully assembled?

A: The FS-L400 is sold as a bulk kit and requires assembly. The hands-on build process is part of the experience, making it a rewarding DIY project for hobbyists and aspiring engineers aged 14 and above.

Q: Is an electric starter kit included with the engine?

A: The listed engine weight of 980 g is specified without an electric starter kit, which indicates the electric starter is not included in the standard package. Please check the product listing or contact us to inquire about starter kit availability.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.