--- product_id: 561824805 title: "2-Stroke 49CC Bike Engine Motor Kit, Gas Petrol Motorized Bike Bicycle Engine Set Scooter for Pocket Bike, Mini Dirt Bike, ATV or Scooter, Petrol Gas Engine Single Cylinder" brand: "liyuanjun" price: "VT51624" currency: VUV in_stock: true category: "Liyuanjun" url: https://www.desertcart.vu/products/561824805-2-stroke-49cc-bike-engine-motor-kit-gas-petrol-motorized store_origin: VU region: Vanuatu --- # 8kW max power @ 7500 RPM 4-speed manual clutch precision 140cc high-displacement power 2-Stroke 49CC Bike Engine Motor Kit, Gas Petrol Motorized Bike Bicycle Engine Set Scooter for Pocket Bike, Mini Dirt Bike, ATV or Scooter, Petrol Gas Engine Single Cylinder **Brand:** liyuanjun **Price:** VT51624 **Availability:** ✅ In Stock ## Summary > ⚡ Power your ride, own the trail — no compromises! ## Quick Answers - **What is this?** 2-Stroke 49CC Bike Engine Motor Kit, Gas Petrol Motorized Bike Bicycle Engine Set Scooter for Pocket Bike, Mini Dirt Bike, ATV or Scooter, Petrol Gas Engine Single Cylinder by liyuanjun - **How much does it cost?** VT51624 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/561824805-2-stroke-49cc-bike-engine-motor-kit-gas-petrol-motorized) ## Best For - liyuanjun enthusiasts ## Why This Product - Trusted liyuanjun brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Kickstart Your Adventure:** Reliable kick starter ensures instant ignition, no battery needed. - • **Race-Ready 140cc Powerhouse:** Unleash 8kW of peak power with precision bore and stroke engineering. - • **Built for Mini Trail Legends:** Fits iconic models like Honda CRF50/70, Z50, XR50, and more for ultimate customization. - • **Complete Engine Kit Included:** Everything you need—engine, carburetor, CDI, kick and gear levers—ready to install and ride. - • **Smooth 4-Speed Manual Clutch:** Experience full control with a responsive 4-speed gear system designed for racing agility. ## Overview The LIYUANJUN 140cc 4-stroke horizontal racing engine delivers a robust 8kW power output and 9.5N.M torque, optimized for mini trail bikes like Honda CRF and Z50 series. Featuring a 4-speed manual clutch and kick start ignition, this complete engine kit includes all essential components for a seamless upgrade. Engineered with precision bore and stroke dimensions (55mm x 59mm) and a 9.0:1 compression ratio, it promises reliable performance and race-ready responsiveness for millennial riders craving both power and control. ## Description Product description This engine delivers consistent and efficient intake and exhaust efficiency, low fuel consumption (≤610g/kW.h), and great power (1.7kw/6000rpm) to provide a smooth and powerful ride. The product adopts an electronic ignition design and the hand-pull self-returning rope starting design allows you to start the engine quickly and easily. Specifications Color: Red, Grey Type: Single-cylinder, Air-cooled, Two-stroke Material: Aluminum, Iron Process: Precision Turning, Spraying Paint Model: 1PE44F-6 Gasoline Engine Displacement: 49.85ml/49.85cc/3.04 cu in Maximum Power(5-15min): 1.9kw/7000rpm Rated Power(12h Power): 1.7kw/6000rpm Continuous Power(Over 300h Power): 1.6kw/5500rpm Overload Power(1h Power): 1.83kw/6500rpm Maximum Torque: 2.7N.M/6500rpm Maximum Horsepower(PS): 3PS Minimum Fuel Consumption Rate: ≤610g/kW.h Spark Plug Gap: 0.5mm/0.02in No-load Speed: 12500r/min Fuel Type: #90 Unleaded Gasoline Lubricating Oil Type: FC Grade Two-stroke Gasoline Engine Oil Gasoline and Oil Mixing Ratio: 25:1 During the Break-in Period, 30:1 at The End of the Break-in Period Starting Method: Hand-pulled Self-returning Rope Start Spark Plug Type: L6T or MB6A Carburetor Type: Floating Type(H117B) Ignition: Electronic Ignition Fuel Tank Volume: 1.2L/40.58oz Reduction Ratio: 1:1 Noise Level(Measured According to ISO6798): Sound Pressure Level: 100.7dB(A) Sound Power Level: 116.9dB(A) Way of Use: Direct Replacement Product Size: 26*21.8*14.5cm/10.24*8.58*5.71in Package Included 1* 49cc Two-stroke Engine Notes 1. Please confirm that the product fits your car before purchasing. 2. We strongly recommend professional installation. 3. Please allow for slight color differences caused by shooting light and errors caused by manual measurement, and make sure you don't mind before ordering. ## Features - 【Main Parameters】Cylinder Numbers: Single cylinder; Gas-oil Mix Rate: 25:1; Bore: 44mm; Start Way: Recoil pull start; new style recoil,easy to pull start; Cooling: Air forced cooling; Sprocket Size: 14 teeth fit T8F chain; Spark Plug Size: L7T L7TC - 【Complete Set】The bicycle engine kit is compelte with high performance cylinder head, plug, powder coated metal pull start, air filter and 14mm carburettor,balanced crank, balanced flywheel, ported piston windows, uprated cvt transmission unit. - 【Premium Performance】49cc engine, easy to reach speed up to 40mph according to your weight and terrain. Unleash your inner speed whether on the street or on an off-road adventure. - 【Widely Applicable】This engine set can be widely applied to a variety of small vehicles, including 2-stroke pocket bikes, mini buggies, ATVs, and scooters. Whether you are roaming in the city or traveling in the mountains, you can easily handle it! - 【Quality Assurance】We have a strict quality assurance system, and products are tested before they are put on the market. If you encounter any problems, we will provide the best service and give you the most satisfactory answer! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CGR7ZB85 | | Best Sellers Rank | #41,234 in Automotive ( See Top 100 in Automotive ) #9 in Powersports Engine Kits | | Brand | LIYUANJUN | | Brand Name | LIYUANJUN | | Customer Reviews | 5.0 out of 5 stars 1 Review | | Manufacturer | LIYUANJUN | | Number of Items | 1 | | Part Number | AC-YCZYQ-2427 | ## Product Details - **Brand:** LIYUANJUN - **Manufacturer:** LIYUANJUN - **Number of Items:** 1 ## Images ![2-Stroke 49CC Bike Engine Motor Kit, Gas Petrol Motorized Bike Bicycle Engine Set Scooter for Pocket Bike, Mini Dirt Bike, ATV or Scooter, Petrol Gas Engine Single Cylinder - Image 1](https://m.media-amazon.com/images/I/71VPdYrNZpL.jpg) ![2-Stroke 49CC Bike Engine Motor Kit, Gas Petrol Motorized Bike Bicycle Engine Set Scooter for Pocket Bike, Mini Dirt Bike, ATV or Scooter, Petrol Gas Engine Single Cylinder - Image 2](https://m.media-amazon.com/images/I/71wW6D7t7wL.jpg) ![2-Stroke 49CC Bike Engine Motor Kit, Gas Petrol Motorized Bike Bicycle Engine Set Scooter for Pocket Bike, Mini Dirt Bike, ATV or Scooter, Petrol Gas Engine Single Cylinder - Image 3](https://m.media-amazon.com/images/I/71lJQ6CDYVL.jpg) ![2-Stroke 49CC Bike Engine Motor Kit, Gas Petrol Motorized Bike Bicycle Engine Set Scooter for Pocket Bike, Mini Dirt Bike, ATV or Scooter, Petrol Gas Engine Single Cylinder - Image 4](https://m.media-amazon.com/images/I/71gLiFpfIZL.jpg) ![2-Stroke 49CC Bike Engine Motor Kit, Gas Petrol Motorized Bike Bicycle Engine Set Scooter for Pocket Bike, Mini Dirt Bike, ATV or Scooter, Petrol Gas Engine Single Cylinder - Image 5](https://m.media-amazon.com/images/I/71f03sv+4QL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - LIYUANJUN 4 Stroke Racing Engine, 140cc Engine Horizontal Motor with Gear Shift Lever Single-Cylinder Motor For Honda CRF50 Pit Dirt Bike 4 Speed Manual Clutch Carburetor - Mighty Max Battery YTX4L-BS - 12 Volt 3 AH, 50 CCA, Rechargeable Maintenance Free SLA AGM Motorcycle Battery - AloneGoer GY6 Racing Ignition Coil SSR 125 A7TC Spark Plug Wire for 50CC 150CC 110CC 125CC 80CC 90CC Moped Scooter ATV Go Kart Pit Dirt Bike Engine Motorcycle High Performance Parts --- ## 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.vu/products/561824805-2-stroke-49cc-bike-engine-motor-kit-gas-petrol-motorized](https://www.desertcart.vu/products/561824805-2-stroke-49cc-bike-engine-motor-kit-gas-petrol-motorized) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-03*