OE/Part Numbers: 20S-19 20S19
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-19 Motorcycle Idle Stepper Motor is designed for electronic fuel injection motorcycle systems that require accurate idle speed regulation. The motor operates as an actuator within the idle air control system, adjusting the airflow bypass position according to ECU commands to maintain stable engine idle performance. It is suitable for maintenance suppliers, repair workshops, and aftermarket motorcycle parts distributors.
Product Applications
Motorcycle EFI throttle systems
Idle air control assemblies
Engine idle speed adjustment
Motorcycle repair and replacement
Spare parts distribution
Key Features
Precise Idle Air Adjustment
The 20S-19 stepper motor controls the idle air passage position with accurate step movement, helping maintain proper engine speed during idle conditions.
Stable Electronic Response
The motor converts ECU signals into mechanical movement efficiently, allowing the idle system to respond smoothly to engine requirements.
Compact Throttle System Design
The compact structure makes it suitable for installation in motorcycle throttle bodies where space and positioning accuracy are important.
Durable Operating Performance
Built for repeated movement cycles, the motor is designed to withstand common motorcycle vibration and temperature changes.
Product Advantages
The 20S-19 idle stepper motor provides a practical replacement solution for restoring idle airflow regulation and improving engine stability during low-speed operation.
Q1: What does the 20S-19 idle stepper motor control?
A: It controls bypass airflow to help maintain stable engine idle speed.
Q2: Is this the same as a throttle position sensor?
A: No. A TPS detects throttle opening, while an idle stepper motor adjusts idle airflow.
Q3: What symptoms indicate a faulty idle motor?
A: Common symptoms include unstable RPM, poor idle quality, or engine stalling.
Q4: How do I confirm compatibility?
A: Check the original motor number, connector, and mounting design.
Q5: Can this motor be used for motorcycle repair shops?
A: Yes, it is suitable for professional replacement applications.
Q6: Does installation require adjustment?
A: Some EFI systems may require idle relearning after installation.
| Packaging and delivery | |
| Selling Units | Single item |
| Single package size | 20X20X20 cm |
| Single gross weight | 3.0kg |
| 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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