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80cc 2-Stroke Gas Engine Kit for Motorized Bicycles
80cc 2-Stroke Gas Engine Kit for Motorized Bicycles
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About This Item
Upgrade Your Bike Performance: This 80cc 2-stroke high-power engine motor kit is designed to improve your bike's performance. Specifically made for�26" bicycles, it can accelerate your bike speed up to�25��40 MPH.
Complete Kit with Essential Parts: This comprehensive kit includes everything you need for installation��cylinder top end, cylinder bottom end, U-mount kit, brake lever, 44T rear sprocket, fuel tank, kill switch, carburetor, and other necessary accessories.
High-Quality Materials: Made from premium materials with sophisticated workmanship, ensuring durability, reliability, and long-lasting performance.
Easy to Install & Use: The kit is designed for practical and straightforward installation. With all necessary mounting hardware included, you can install the engine yourself and get your bike running quickly.
Powerful 2-Stroke Engine: Features a single-cylinder, air-cooled, 2-stroke engine with CDI ignition. Rated power of�2.5kW at 5,000 RPM�and maximum power of�3.5kW at 6,000 RPM.
Fuel Efficient: Offers excellent fuel consumption of�120��170 MPG, making it both powerful and economical for daily use.
Specifications
| Feature | Details |
|---|---|
| Engine Type | Single Cylinder, Air-Cooled, 2-Stroke |
| Suitable For | 26" Bicycles |
| Maximum Speed | 25��40 MPH |
| Rated Power | 2.5kW / 5,000 RPM |
| Maximum Power | 3.5kW / 6,000 RPM |
| Ignition Mode | CDI |
| Compression Ratio | 6:1 |
| Driving Ratio | 18:1 |
| Fuel Type | No. 90 Gasoline |
| Spark Plug Type | Z4C 14MM |
| Fuel Consumption | 120��170 MPG |
| Clutch Type | Friction Plate / Dry |
| Lubrication Oil | Motorcycle Synthetic 2-Stroke Oil |
| Fuel/Oil Mix Ratio | 16:1 (Break-in Period, First 300 Miles) / 25:1 (After Break-in) |
| Chain Length | 110 Links / 55 Inches |
| Color | Black |
| Net Weight | 23.15 lbs (10.5 kg) |
Package Includes
1 x 80cc 2-Stroke Engine Motor Kit
Cylinder Top End & Bottom End
U-Mount Kit
Carburetor
Petcock & Fuel Filter
Throttle Assembly with Cables
Kill Switch
CDI & Ignition Coil with Spark Plug
Chrome Exhaust Muffler
Brake Lever
Chain, Chain Tensioner & Chain Cover
44T Rear Sprocket
Fuel Tank
Mounting Hardware
Important Notes
Engine installation is required by the user.
Break-in period: First 300 miles with a 16:1 fuel/oil mix ratio. After break-in, switch to a 25:1 ratio.
Due to photography and lighting conditions, actual colors may vary slightly from product images. Please refer to the physical item for the most accurate representation.
Product dimensions and specifications are measured manually; a slight tolerance may apply.
Please read the instruction manual carefully before installation and use. Always follow safety guidelines when operating motorized bicycles.
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Shipping & Returns
Free standard shipping is available on eligible U.S. orders of $90.00 USD or more. Orders below $90.00 USD are charged a flat standard shipping fee of $6.99 USD. The applicable shipping charge will be displayed during checkout before payment is completed.
Eligible return requests may be submitted within 30 days after delivery. Returned items must be unused, unworn, unwashed, unaltered, and in their original condition, with applicable tags and packaging included.
For non-defective returns caused by customer preference, the customer is responsible for the return shipping cost. If an item arrives damaged, defective, incorrect, or incomplete because of an error on our part, Milai will provide an appropriate solution after reviewing the issue.
Please contact service@milai.shop before sending any item back. Our customer service team will provide return authorization, instructions, and the applicable return address.