OE/Part Numbers: 20S-02 26178 20S02
Compatible: for Motorcycle
Key Functions: This idle stepper motor regulates engine idle speed, ensuring stable performance, smooth cold starts, and preventing stalling under varying loads.
Features & Advantages:
1. Direct OEM Fit & Function.
2. High-Quality Components for Reliability.
3. Rigorous Quality Control.
More Details
Key Features
FAQ
Service
Product Overview
The 20S-02 26178 Motorcycle Idle Stepper Motor is designed for EFI motorcycle throttle control systems to regulate engine idle speed through precise airflow adjustment. This replacement idle control motor features accurate step movement, reliable operation, and compatibility with matching 20S-02 and 26178 applications. It is suitable for motorcycle repair shops, spare parts distributors, and maintenance projects.
Key Features
Precise Idle Speed Control
The 20S-02 stepper motor provides accurate position adjustment, helping control the amount of air entering the engine during idle conditions.
Stable Motor Response
The internal motor mechanism delivers consistent movement performance, supporting smooth ECU-controlled idle adjustments.
Replacement Compatibility
Developed according to matching reference numbers, this idle stepper motor provides a practical replacement solution for worn or damaged original units.
Product Applications
EFI motorcycle throttle bodies
Idle air control systems
Motorcycle engine maintenance
Throttle assembly repair
Aftermarket spare parts supply
Installation Notes
Before installation, confirm the original part number, connector design, and mounting structure. After replacement, some motorcycles may require idle speed relearning or system adjustment.
Q1: What does the 20S-02 idle stepper motor do?
A: It controls idle airflow and helps maintain stable engine speed when the throttle is closed.
Q2: What are common symptoms of a faulty idle stepper motor?
A: Unstable idle, engine stalling, difficult starting, or abnormal RPM fluctuations may occur.
Q3: Is 20S-02 compatible with all motorcycles?
A: No. Compatibility depends on the original motor model and throttle system design.
Q4: Does this product include the connector?
A: Package contents depend on the supplier configuration. Please confirm before ordering.
Q5: Can this replace the original 26178 stepper motor?
A: Yes, it is designed as a replacement option for compatible 20S-02 26178 applications.
Q6: Does installation require professional tools?
A: Basic installation tools may be sufficient, but professional inspection is recommended for accurate adjustment.
| Packaging and delivery | |
| Selling Units | Single item |
| Single package size | 20X20X20 cm |
| Single gross weight | 3.000 kg |
| Lead time | |
| Quantity (units) | Lead time (days) |
| 1 - 1,000 | 31 |
| > 1,000 | To be negotiated |
| Customization options | |
| Bag Design | 500 units |
| Laser Printing | 10,000 units |
| Carton Design | 10,000 units |
Wenzhou Guocheng Automobile Electrical Parts Co., Ltd.
Wenzhou Guocheng Automobile Electrical Parts Co., Ltd. is located in Wenzhou, Zhejiang Province, known as China's capital of auto parts. Established in 1997, the company covers a land area of 3,000 square meters with a built-up area of 10,000 square meters. It is a privately-owned enterprise integrating product development, production, and sales.
Our core products include idle speed motors, idle control valves, throttle position sensors, and other sensor series primarily used in automotive and construction machinery engines. To ensure superior quality, key components such as sensor brushes are imported from Japan and Germany, while films are custom-produced by top-tier domestic and international suppliers. Our products are already supplied to first-tier brands both in China and abroad, and our annual production and sales volume holds a significant position in the OEM market.
To meet production demands and customer requirements, we have continuously invested in advanced production, testing, and experimental equipment from both domestic and international sources. This has significantly enhanced our production inspection and testing capabilities, ensuring consistent and reliable product quality. Currently, we have over 80 employees, including 6 experienced technical engineers and 8 professional technical and inspection personnel, providing strong support for product development and quality control.
Since its inception, the company has adhered to the quality policy of "Continuous Learning, Technological Innovation, Pursuit of Excellence, and Customer Satisfaction." We uphold a "people-oriented" talent philosophy and emphasize a customer-centric approach in quality management, focusing on process control, prevention, continuous improvement, and customer satisfaction. Since 2007, the company has been certified with ISO 9001:2000 and ISO/TS 16949:2009 international quality management system standards.
Over the years, through relentless efforts, innovation, and improvement, Guosheng has earned consistent praise from both new and existing customers for its exceptional product quality, comprehensive service, and competitive pricing. To achieve greater development, our team remains committed to striving harder, learning humbly, and making continuous progress. We constantly summarize experiences and enhance product quality while working with passion and sincerity to collaborate with partners worldwide for mutual success. We sincerely welcome your valuable feedback and visits for guidance.
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