1. Introduction
Thank you for choosing the ERYUE LED Motorcycle Tail Light with Integrated Turn Signals. This product is designed to enhance visibility and safety for your motorcycle. It features a super bright LED tail light with integrated running, brake, and sequential turn signal functions. This manual provides essential information for proper installation, operation, and maintenance of your new tail light.
This tail light is a direct replacement for various Yamaha models, including YZF R3, R25, Y15ZR, MT07, FZ07, and LC150.
2. Safety Information
Please read all safety warnings and instructions carefully before installation and use. Failure to follow these instructions may result in electrical shock, fire, and/or serious injury.
- Always disconnect the motorcycle's battery before performing any electrical work.
- Ensure all connections are secure and properly insulated to prevent short circuits.
- If you are unsure about the installation process, consult a qualified motorcycle technician.
- Do not modify the product in any way, as this may void the warranty and compromise safety.
- This product is designed for 12V DC motorcycle electrical systems only.
3. Package Contents
Verify that all items are present and undamaged upon opening the package.
- 1 x ERYUE LED Motorcycle Tail Light with Integrated Turn Signals
Note: Additional tools and wiring connectors may be required for installation and are not included.
4. Setup & Installation
This tail light features an easy plug-and-play installation with an included sub-harness. However, basic mechanical and electrical knowledge is recommended.
4.1 Tools Required (Not Included)
- Screwdriver set (Phillips and Flathead)
- Socket wrench set
- Wire strippers/crimpers (if custom wiring is needed)
- Electrical tape or heat shrink tubing
4.2 Installation Steps
- Prepare the Motorcycle:
Park the motorcycle on a stable, level surface. Turn off the ignition and remove the key. Disconnect the negative terminal of the motorcycle battery to prevent accidental electrical shorts during installation.
- Access the Existing Tail Light:
Locate and remove any fairings, seats, or panels necessary to access the existing tail light assembly and its wiring. Refer to your motorcycle's service manual for specific instructions on removing these components.
- Remove the Old Tail Light:
Unplug the wiring harness from the existing tail light. Unscrew or unbolt the old tail light from its mounting points and carefully remove it.

Image 1: ERYUE LED Tail Light installed on a motorcycle, displaying the running light function.
- Install the New ERYUE Tail Light:
Position the new ERYUE LED Tail Light into the mounting location. Secure it using the original screws or bolts. Ensure it is firmly seated and aligned correctly.

Image 2: Front view of the ERYUE LED Tail Light, highlighting the smoked lens design.
- Connect the Wiring:
Connect the included sub-harness to the new tail light and then to the motorcycle's existing wiring harness. The plug-and-play design should make this straightforward. Ensure the connectors click into place securely.
Wiring Color Code (Typical):
- Black: Ground (-)
- Red: Brake Light (+)
- Green: Running Light (+)
- Yellow: Left Turn Signal (+)
- Blue: Right Turn Signal (+)
Note: Actual wire colors on your motorcycle may vary. Always verify with a multimeter or your motorcycle's wiring diagram if unsure.

Image 3: Rear view of the ERYUE LED Tail Light, showing the integrated wiring harness.
- Test the Lights:
Reconnect the motorcycle battery. Turn on the ignition and test all functions: running light, brake light, left turn signal, and right turn signal. Ensure all lights illuminate correctly and the sequential turn signals operate as expected.

Image 4: ERYUE LED Tail Light displaying the bright red brake light function.

Image 5: ERYUE LED Tail Light with the amber sequential turn signal illuminated.
- Reassemble:
Once all functions are verified, carefully reassemble any removed fairings, seats, or panels.
5. Operating Instructions
The ERYUE LED Motorcycle Tail Light operates automatically with your motorcycle's electrical system.
- Running Light: When the motorcycle's ignition is on and headlights are activated, the tail light will illuminate with a low-brightness red light.
- Brake Light: When the brake lever or pedal is applied, the tail light will illuminate with a high-brightness red light. It also features a stop alert function, where the brake light flashes 3 times rapidly when the brakes are first applied, then remains solid.
- Turn Signals: When the left or right turn signal switch is activated, the corresponding side of the tail light will illuminate with sequential amber LEDs, indicating the direction of the turn.
6. Maintenance
The ERYUE LED Motorcycle Tail Light is designed for durability and requires minimal maintenance.
- Cleaning: Clean the lens with a soft, damp cloth and mild soap. Avoid abrasive cleaners or solvents that could damage the plastic lens.
- Inspection: Periodically check the tail light for any signs of damage, loose connections, or moisture ingress. Ensure all mounting hardware remains secure.
- Waterproofing: The product has an IPX66 waterproof rating, meaning it is protected against powerful water jets. However, avoid submerging the light. Ensure all seals and connections are intact after installation.
7. Troubleshooting
If you encounter issues with your ERYUE LED Motorcycle Tail Light, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Tail light does not illuminate. |
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| Brake light or turn signals not working. |
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| Turn signals flash too fast or too slow. |
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| Moisture inside the lens. |
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8. Specifications
Detailed technical specifications for the ERYUE LED Motorcycle Tail Light.
| Feature | Detail |
|---|---|
| Item Type | LED Tail Light |
| Brand | ERYUE |
| Model Number | K16053BMJUS-TT4 |
| Lens Color | Smoked Gray |
| Frame Material | Plastic |
| Operating Voltage | 12 V DC |
| Power | 5.5 W |
| Current | 0.41 A |
| Waterproof Rating | IPX66 |
| Running Light Color | Red (Low Brightness) |
| Brake Light Color | Red (High Brightness) |
| Turn Signal Color | Amber (Sequential) |
| Dimensions (L x W x H) | 16.3 x 16 x 9 cm (approx. 6.4 x 6.3 x 3.5 inches) |
| Weight | 320 g (approx. 0.7 lbs) |
| Compatible Vehicle Type | Motorcycle (Yamaha YZF R3, R25, Y15ZR, MT07, FZ07, LC150) |
9. Warranty & Support
ERYUE products are manufactured to high-quality standards. For warranty information and customer support, please refer to the retailer where you purchased this product or visit the official ERYUE website.
Please retain your proof of purchase for any warranty claims.