--- product_id: 806064934 title: "49cc 4-stroke e-bike kit single cylinder gasoline e-bike engine motor kit air-cooled system bike engine motor with belt drive For 26” frame bikes, scooters" brand: "usoraszkt" price: "13848352₫" currency: VND in_stock: true category: "Usoraszkt" url: https://www.desertcart.vn/products/806064934-49cc-4-stroke-e-bike-kit-single-cylinder-gasoline-e store_origin: VN region: Vietnam --- # 27-32 mph max speed 49cc 4-stroke engine power Air-cooled for durability 49cc 4-stroke e-bike kit single cylinder gasoline e-bike engine motor kit air-cooled system bike engine motor with belt drive For 26” frame bikes, scooters **Brand:** usoraszkt **Price:** 13848352₫ **Availability:** ✅ In Stock ## Summary > ⚡ Upgrade your ride, outrun the ordinary! ## Quick Answers - **What is this?** 49cc 4-stroke e-bike kit single cylinder gasoline e-bike engine motor kit air-cooled system bike engine motor with belt drive For 26” frame bikes, scooters by usoraszkt - **How much does it cost?** 13848352₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/806064934-49cc-4-stroke-e-bike-kit-single-cylinder-gasoline-e) ## Best For - usoraszkt enthusiasts ## Why This Product - Trusted usoraszkt brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Speed That Saves Time:** Boost your commute with speeds up to 32 mph—because every minute counts in your busy day. - • **Extended Ride Capacity:** 2-liter fuel tank means fewer stops and more freedom—keep going further on every fill-up. - • **Engineered for Longevity:** Air-cooled design keeps your engine running cooler and longer, so you ride worry-free. - • **Whisper-Quiet Performance:** Enjoy peaceful rides with low noise output, perfect for urban explorers and weekend adventurers alike. - • **Power-Packed 49cc Four-Stroke:** Experience smooth, efficient rides with advanced four-stroke technology that outperforms two-stroke engines. ## Overview This 49cc 4-stroke air-cooled engine kit transforms your 26” frame bike or scooter into a high-efficiency, low-noise powerhouse capable of reaching speeds up to 32 mph. Built with durable aluminum and plastic housing, it features a large 2-liter fuel tank and belt drive system for smooth, long-lasting performance. Ideal for professionals seeking a fast, reliable, and eco-friendlier alternative to traditional two-stroke engines. ## Description DescriptionAre you an avid cyclist? Do you usually find it difficult to climb hills on your bike? Are you looking forward to modifying your bike to make it faster? Then you can't go wrong with this 49cc four-stroke bike engine. The maximum speed of this engine is between 27-32 mph. Once your bike is equipped with this engine, it can help you save more time and effort. With low noise and high efficiency, this engine is a good choice for you. Key FeaturesHigh-quality Materials: The engine's body is made of strong and durable aluminum, while the housing is made of high-quality plastic. All the materials are strictly selected to make sure the best experience. High Efficiency: This engine is a four-stroke engine, which is more stable and efficient compared to two-stroke ones.Fast: The maximum speed of this engine is between 27-32 mph. Once your bike is equipped with this engine, it can help you save more time and effort.Durable: This engine is air-cooled to keep the heat dissipated while operation, extending the life of the engine.Environmentally Friendly: This engine adopts four-stroke technology, which allows for full gasoline combustion and reduces pollution to the environment.Low Noise: Compared with a two-stroke engine, the four-stroke technology makes the operation more stable and quiet. And the quiet running process makes it more enjoyable when riding.Large Capacity: The engine's fuel tank can hold 2 liters of gasoline, allowing you to use it for a longer period of time with a single fill-up.Customer Service: We aim to provide quality products and services. If you have any problems, please feel free to contact us. We will reply and solve the problem for you as soon as possible.DetailsPlastic Housing: The engine's housing is made of strong and durable plastic. It covers the main body of the engine to fully protect it. Hand Puller: The engine has a T-shaped hand puller, which makes it easy to pull to start the engine.Aluminum Body: The engine's body is made of good performance aluminum, which is strong and durable with a metallic luster.ApplicationThis 49cc four-stroke engine with belt for adult bikes, is ideal for bikes with 26" frames. SpecificationsMaterial: AluminumProduct Size: 27*23cm/10.62*9.05inPackage Size: 52*28*28cm/20.47*11.02*11.02inGross Weight: 14.5kg/31.96lbsInstallationWe recommend that you visit a bike store for professional installation. This package comes with an instruction manual. If you want to install it yourself, please read the manual carefully for installation. If you have any problems, please contact us, and we will reply and solve the problems as soon as possible.Package Included1 x 49cc 4 Stroke Engine with Belt1 x Gas Tank1 x Plastic Gasoline Fuel Line1 x Fuel Value1 x Adjustable Chain Idler1 x 44-Tooth and 9-Hole Sprocket1 x Chain Guard1 x Extra Wide Crank/Sprocket1 x Fiber Sprocket Mounting Ring9 x Sprocket Bolts3 x Metal Retaining Segments1 x Engine Mounting Plate with Universal Mounting Brackets1 x Spark Plug Wrench1 x Heavy Duty #415 Chain1 x Twist Grip Throttle with Built-in Kill Switch1 x Adjustable Throttle Cable1 x Set of Mounting Bolts and Nuts1*English Manual ## Features - High Efficiency: This engine is a four-stroke engine, which is more stable and efficient compared to two-stroke ones. - Fast: The maximum speed of this engine is between 27-32 mph. Once your bike is equipped with this engine, it can help you save more time and effort. - Durable: This engine is air-cooled to keep the heat dissipated while operation, extending the life of the engine. - Low Noise: Compared with a two-stroke engine, the four-stroke technology makes the operation more stable and quiet. And the quiet running process makes it more enjoyable when riding. - Large Capacity: The engine's fuel tank can hold 2 liters of gasoline, allowing you to use it for a longer period of time with a single fill-up. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0F6CMQKLM | | Best Sellers Rank | #4,608,386 in Automotive ( See Top 100 in Automotive ) #3,396 in Powersports Engine Kits | | Brand | Usoraszkt | | Date First Available | April 25, 2025 | | Item model number | Engine Kits-01 | | Manufacturer | Usoraszkt | | Manufacturer Part Number | GTD0029709 | | Model | Engine Kits | ## Images ![49cc 4-stroke e-bike kit single cylinder gasoline e-bike engine motor kit air-cooled system bike engine motor with belt drive For 26” frame bikes, scooters - Image 1](https://m.media-amazon.com/images/I/61SNEqw1sfL.jpg) ![49cc 4-stroke e-bike kit single cylinder gasoline e-bike engine motor kit air-cooled system bike engine motor with belt drive For 26” frame bikes, scooters - Image 2](https://m.media-amazon.com/images/I/61ejQWO4BOL.jpg) ![49cc 4-stroke e-bike kit single cylinder gasoline e-bike engine motor kit air-cooled system bike engine motor with belt drive For 26” frame bikes, scooters - Image 3](https://m.media-amazon.com/images/I/81oeqw2PjtL.jpg) ![49cc 4-stroke e-bike kit single cylinder gasoline e-bike engine motor kit air-cooled system bike engine motor with belt drive For 26” frame bikes, scooters - Image 4](https://m.media-amazon.com/images/I/81i7f8U6oeL.jpg) ![49cc 4-stroke e-bike kit single cylinder gasoline e-bike engine motor kit air-cooled system bike engine motor with belt drive For 26” frame bikes, scooters - Image 5](https://m.media-amazon.com/images/I/71myJ3x+kxL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/806064934-49cc-4-stroke-e-bike-kit-single-cylinder-gasoline-e](https://www.desertcart.vn/products/806064934-49cc-4-stroke-e-bike-kit-single-cylinder-gasoline-e) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-06-03*