Max Trading, a professional China Manufacturer and Factory of motorcycle engine parts, supplies a high-reliability Motorcycle Cylinder Kit for HONDA GY6-50. Engineered for 50cc four-stroke scooter engines, this kit features a lightweight high-pressure cast aluminum body, single-cylinder vertical layout, and shallow bowl-shaped combustion chamber—balancing compact structure, low-speed torque, and fuel economy for urban commuting.
The Motorcycle Cylinder Kit for HONDA GY6-50 is the core power component of classic small-displacement scooters, designed for 50cc four-stroke engines. Renowned for its simple structure and high reliability, it is widely fitted to economical scooters, excelling in short-distance urban commuting with frequent start-stop scenarios. Its design prioritizes practicality and maintainability, making it a go-to choice for daily use and aftermarket upgrades.
Layout & Combustion Chamber: Single-cylinder vertical layout with a cylindrical overall shape; the top adopts a shallow bowl-shaped combustion chamber design, optimized for efficient fuel combustion in small-displacement engines.
Lightweight & Heat Dissipation: Motorcycle Cylinder Kit for HONDA GY6-50 body made of high-pressure cast aluminum alloy—reduces overall engine weight and delivers excellent heat dissipation, preventing overheating during prolonged urban riding.
Maintainable Structure: Cylinder block and liner are mostly integrated (liner replacement available for some models). When wear leads to compression pressure drop, performance can be restored by replacing standard or oversize (+0.25/+0.50) piston components, lowering maintenance costs.
Low-Speed Torque Focus: Tuned for sufficient low-speed torque, perfectly adapting to urban road conditions with frequent starts and stops, ensuring smooth acceleration at low speeds.
Economy & Practicality: Balances power output and fuel efficiency, aligning with the needs of economical scooters for daily commuting.
|
Type |
Motorcycle Engine |
Category |
Motorcycle Parts |
|
Fuel consumption per 100 kilometers |
2.0-2.5 (L) |
Torque |
3.5-4.0N · m (4500-5000r/min) |
|
Power |
2.5-3.0kW (6000-7000r/min) |
Certification |
Factory standard |
|
Cylinder OD 45mm |
45mm |
Cylinder ID |
39mm |
|
Total height |
From the top to bottom is 71mm; |
Combined piston stroke height |
41.4mm |
|
Effective stroke height |
53.2mm |
Displacement |
50cc |
|
Compression ratio |
9:2:1, suitable for low calorific value spark plugs (such as CR7HSA model). |
Cylinder bottom mounting holes |
4 symmetrically distributed bolt holes with D6mm and a hole spacing (center distance) of 48mm |
|
Connection surface between top of the cylinder and cylinder head |
6 bolt holes with a diameter of 5mm, evenly distributed in a circular shape, with a center circle diameter of about 52mm. |
Diameter of Piston Pin |
13mm, is compatible with a piston pin length of 38mm. |
Max Trading stands out in the market with comprehensive supply chain strength and customer-centric services, delivering cost-effective and stable solutions for global clients:
We offer a full range of motorcycle parts (engine, brake system components, etc.) for over 3000 models (original, OEM, aftermarket).
As a preferred OEM supplier for Honda, Yamaha, and other well-known brands, we eliminate the need for clients to connect with multiple suppliers, reducing communication costs by 90%.
Combine small orders from multiple clients into bulk orders to secure better prices, lower MOQ, and priority production.
Centralize logistics (sorting, warehousing, container transportation) to ensure 100% customs clearance success, shorten delivery time by 3-5 days, and cut transportation costs by over 15%.
Support flexible trade terms (EXW, FOB, DDP) and door-to-door delivery services.
Accept small-batch orders and support customized services (packaging, specifications, etc.).
Maintain safety stock for best-selling GY6-50 cylinder kits to meet urgent order demands.
Keep pace with market trends, expanding new energy electric motorcycle component supply to cover emerging needs.
Professional QC team implements a 3-step inspection process (appearance, performance, compatibility testing) to ensure products meet global standards.
Strict compliance control reduces the risk of customs detention or product returns.
Provide 24-hour after-sales support and share real-time market trends (new laws, policies, hotspots) to help clients pre-plan and avoid risks.
Comprehensive after-sales service covers technical assistance and problem-solving for bulk orders.
Leverage Ningbo Port’s advantages: 300+ container shipping routes covering 200+ countries and 600+ ports, with deep-water berths.
Help clients save 10%-15% on shipping costs; customs paperwork can be authorized quickly within minutes, accelerating cargo release.
As a leading China Manufacturer and Factory of motorcycle engine parts, Max Trading offers an extensive portfolio beyond GY6-50 cylinder kits:
Cylinder Kits: Standard, oversize, and customized cylinder kits for HONDA, YAMAHA, and other mainstream scooter/ motorcycle models.
Engine Body Accessories: Cylinder heads, piston kits, crankshafts, camshafts, rocker arms, and other engine components.
Brake System Parts: Brake discs, calipers, master cylinders, and brake pads for various motorcycle models.
Q1: Is your GY6-50 cylinder kit compatible with all HONDA GY6-50 scooter models?
A1: Our standard kit fits most original GY6-50 50cc four-stroke engines. For modified engines or non-original models, we provide customized matching solutions based on your engine parameters.
Q2: Do you offer samples for quality testing?
A2: Yes, we provide free samples (freight collect) for clients to verify quality before placing bulk orders.
Q3: What is the warranty period for your GY6-50 cylinder kit?
A3: We offer a 12-month warranty under normal use conditions, covering manufacturing defects and performance issues.
Q4: What is the lead time for OEM/customized orders?
A4: For standard GY6-50 cylinder kits, lead time is 7-10 days; for OEM/customized orders, it is 15-25 days depending on customization complexity and order quantity.

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No.71, South Haiyan Road, Yinzhou District, Ningbo City, Zhejiang Province, China
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