1. Introduction
This manual provides essential information for the safe and effective use, installation, and maintenance of your QXDENG IWP-181 Motorcycle Fuel Injector. Please read all instructions carefully before use to ensure proper function and to prevent damage or personal injury.
2. Safety Information
Read all instructions before use. Failure to follow these instructions may result in damage to the product or personal injury.
- DANGER! Installation must be carried out by professional technicians or in accordance with the installation instructions strictly.
- Warning! Do not use this product for purposes other than its intended use. After installation, it is necessary to test the product performance before formal use to ensure driving safety.
- Warning! Keep away from children. This product contains small parts and sharp edges, which may cause choking or cutting hazards.
- Warning! Do not expose to water or moisture.
3. Product Overview
The QXDENG IWP-181 is a high-quality motorcycle fuel injector designed for specific Harley-Davidson Sportster models. It features a 2-pin connector and 4-hole nozzle for efficient fuel delivery.
4. Specifications
| Attribute | Value |
|---|---|
| Brand Name | QXDENG |
| Model Name | IWP-181 |
| Product Type | Motorcycle Fuel Injector Nozzle |
| Replacement OE NO. | IWP-181, 27706-07A, 994635-3731, 27706-07 |
| Insert | 2 Pins |
| Strokes | 4T |
| Holes | 4 Holes 360cc |
| Origin | Mainland China |
5. Compatibility (Fitment)
This fuel injector is designed to fit various Harley-Davidson Sportster models from 2007 to 2021. Please note that it does NOT fit California Models.
The compatibility chart is for reference only. Please compare with your faulty unit and the provided images to confirm fitment before installation.
- Sportster (EFI) - XL 883: 2007-2008
- Sportster (EFI) - XL 883R: 2007-
- Sportster Custom - XL 1200C: 2009-2017
- Sportster Custom - XL 883C: 2009-
- Sportster Custom (EFI) - XL 883C: 2007-2008
- Sportster Forty-Eight - XL 1200X: 2010-2017
- Sportster Iron - XL 883N: 2009-2016
- Sportster Low - XL 1200L: 2009-2011
- Sportster Low - XL 883L: 2009-2010
- Sportster Low (EFI) - XL 1200L: 2007-2008
- Sportster Low (EFI) - XL 883L: 2007-2008
- Sportster Nightster - XL 1200N: 2009-2012
- Sportster Nightster (EFI) - XL 1200N: 2007-2008
- Sportster Roadster - XL 1200CX: 2016-2017
- Sportster Roadster (EFI) - XL 1200R: 2007-2008
- Sportster Seventy Two - XL 1200V: 2012-2016
- Sportster Superlow - XL 1200T: 2014-2017
- Sportster Superlow - XL 883L: 2011-2017
6. Installation
IMPORTANT: Installation of this fuel injector must be carried out by professional technicians. Improper installation can lead to product damage, vehicle malfunction, or personal injury.
Refer to your motorcycle's service manual for specific instructions on how to safely remove the old fuel injector and install the new one. Ensure all connections are secure and seals are properly seated to prevent fuel leaks.
After installation, it is crucial to perform a thorough system check and test the product performance to ensure driving safety before operating the motorcycle.
7. Operation
The fuel injector operates as part of your motorcycle's Electronic Fuel Injection (EFI) system. Once installed correctly, it will deliver fuel to the engine cylinders as regulated by the Engine Control Unit (ECU).
No direct user operation is required for the fuel injector itself. Its function is automatic and integral to the engine's fuel management system.
8. Maintenance
Fuel injectors generally require minimal maintenance. However, regular vehicle maintenance practices can help ensure their longevity and optimal performance:
- Fuel Quality: Use high-quality fuel to prevent deposits and clogging in the injector nozzles.
- Fuel Filter: Ensure your motorcycle's fuel filter is replaced according to the manufacturer's recommendations to protect the injectors from contaminants.
- System Checks: During routine service, have a qualified technician inspect the fuel system for any signs of leaks or wear.
9. Troubleshooting
If you experience issues such as rough idling, misfires, decreased fuel efficiency, or difficulty starting after installing a new fuel injector, consider the following:
- Incorrect Installation: Re-check all connections and seals. Ensure the injector is seated correctly and the electrical connector is firmly attached.
- Compatibility: Double-check that the injector is the correct part number for your specific motorcycle model and year.
- Other System Issues: Fuel system problems can sometimes mimic injector issues. Consult a professional technician to diagnose the root cause, which could include fuel pump issues, ECU errors, or other sensor malfunctions.
If you are unsure about any troubleshooting steps, it is highly recommended to seek assistance from a certified motorcycle mechanic.
10. User Tips
- Always disconnect the battery before working on any electrical components of your motorcycle.
- Ensure the fuel system is depressurized before attempting to remove or install fuel injectors.
- Use appropriate tools and follow torque specifications when tightening components to avoid damage.
11. Warranty and Support
For any questions regarding the product, technical support, or warranty claims, please contact the manufacturer or your point of purchase. Keep your purchase receipt as proof of purchase.
Manufacturer Information:
- Name: Guangzhou Tianyi Motorcycle Parts Co., Ltd.
- Address: Cn-202, No. 26, Songgang Middle Road, Songbei, Songzhou Street, Baiyun District, Guangzhou, Guangdong Province, China, Postcode: 510000
- Phone: +86-15360887016
- Email: 602652839@qq.com
EU Authorized Representative:
- Name: Synertrade Fr Sas
- Address: 9 Rue Du Bat D'argent, 69001 Lyon, France
- Contact: +33-774555006
- Email: Info@syner-sarl.cn
12. Additional Documents
A detailed user manual in PDF format is available for download. This document contains comprehensive instructions and diagrams for your product.
You can access the PDF manual here: User Manual (PDF)