1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Evotech Performance Tail Tidy, model PRN017155. This product is specifically designed for the KTM 390 Duke motorcycle, year 2024 onwards. The Tail Tidy is engineered to enhance the aesthetic appeal of your motorcycle by providing a sleek and secure mounting solution for your license plate, while retaining the functionality of OEM lighting and indicators.

Image 1.1: The Evotech Performance Tail Tidy unit, showcasing its robust design and black finish.
2. Safety Information
Always prioritize safety when working on your motorcycle. Read all instructions thoroughly before beginning installation. If you are unsure about any step, consult a qualified motorcycle mechanic.
- Ensure the motorcycle is stable and securely supported before starting any work.
- Turn off the ignition and disconnect the battery if working with electrical components.
- Wear appropriate personal protective equipment, such as gloves and eye protection.
- Use the correct tools for each step to prevent damage to components or injury.
- Do not overtighten fasteners; refer to your motorcycle's service manual for torque specifications if available.
- Keep small parts away from children.
3. What's in the Box
Your Evotech Performance Tail Tidy kit includes the following components:
- Evotech Performance Tail Tidy main bracket (CNC machined aluminum, black powder coated)
- All necessary fixings (bolts, washers, nuts)
- License plate adapters (for varying plate hole alignments)
- Installation instructions (this manual)

Image 3.1: A view of the Evotech Performance Tail Tidy components, including the main bracket and mounting hardware.
4. Installation
The Evotech Performance Tail Tidy is designed for a straightforward installation process, utilizing existing mounting points on your KTM 390 Duke (2024 Onwards) without requiring any permanent modifications to your bike's frame or wiring.
4.1. Preparation
- Park your motorcycle on a level surface using a paddock stand or center stand for stability.
- Ensure the engine is cool to the touch.
- Gather all necessary tools (e.g., Allen keys, wrenches, screwdrivers).
4.2. Removing the OEM Tail Unit
- Carefully locate and remove the fasteners securing the original license plate holder and fender assembly.
- Disconnect the wiring for the OEM license plate light and indicators. Note their connections for re-installation.
- Remove the entire OEM tail unit from the motorcycle.

Image 4.1: Rear view of the KTM 390 Duke with the Evotech Performance Tail Tidy installed, showing the integrated license plate light and indicators.
4.3. Installing the Evotech Performance Tail Tidy
- Align the Evotech Performance Tail Tidy with the existing mounting points on your motorcycle.
- Secure the Tail Tidy using the supplied fixings. Ensure all bolts are finger-tight before final tightening.
- Connect the OEM license plate light and indicators to the designated points on the Tail Tidy. The design is plug-and-play, requiring no wiring modifications.
- Mount your license plate to the Tail Tidy using the provided hardware. If your license plate's mounting holes do not align perfectly, use the supplied license plate adapters.
- Once all components are in place, progressively tighten all fasteners to a secure fit. Do not overtighten.

Image 4.2: A closer view of the Evotech Performance Tail Tidy on a KTM 390 Duke, highlighting the clean integration with the motorcycle's rear section.
4.4. Final Checks
- Verify that the license plate light and indicators function correctly.
- Ensure all fasteners are tight and secure.
- Check for any obstructions or loose components.
An installation video is available for download from the manufacturer's website to assist with the process. Refer to the manufacturer's official support channels for access.
5. Operation
The Evotech Performance Tail Tidy is a static accessory designed to securely hold your motorcycle's license plate and integrate with the OEM indicators and license plate light. Once installed correctly, no specific operational steps are required beyond ensuring your license plate is clearly visible and all lights are functioning as intended before each ride.

Image 5.1: A rear-side view of the KTM 390 Duke, showcasing the streamlined appearance achieved with the Evotech Performance Tail Tidy.
6. Maintenance
To ensure the longevity and optimal performance of your Evotech Performance Tail Tidy, follow these simple maintenance guidelines:
- Regular Cleaning: Clean the Tail Tidy regularly with mild soap and water. Avoid abrasive cleaners or harsh chemicals that could damage the powder coating.
- Fastener Checks: Periodically inspect all mounting fasteners for tightness. Vibrations from riding can sometimes cause bolts to loosen over time.
- Damage Inspection: Check for any signs of damage, such as cracks, bends, or corrosion, especially after impacts or prolonged exposure to harsh weather conditions.
- Electrical Connections: Ensure the connections for the license plate light and indicators remain secure and free from corrosion.
7. Troubleshooting
If you encounter any issues with your Evotech Performance Tail Tidy, consider the following:
- Loose Fitment: If the Tail Tidy feels loose, re-check all mounting bolts and ensure they are securely tightened. Refer to the installation section.
- Lights Not Working:
- Verify that all electrical connections for the license plate light and indicators are properly seated and not corroded.
- Check the motorcycle's fuses related to lighting.
- Ensure the OEM lights themselves are not faulty.
- Vibration/Rattling: Ensure all components, including the license plate itself, are securely fastened. Check for any contact points between the Tail Tidy and other motorcycle parts.
For persistent issues, contact Evotech Performance customer support for assistance.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | PRN017155 |
| Compatibility | KTM 390 Duke (Year 2024 Onwards) |
| Material | CNC machined aircraft-grade aluminum |
| Finish | Durable satin black powder coating |
| Dimensions (L x W x H) | Approximately 15 x 6 x 3 inches |
| Item Weight | Approximately 2 pounds |
| Wiring | No modifications required (Plug and Play) |
| OEM Retention | Retains OEM license plate light and indicators |
9. Warranty and Support
For information regarding product warranty, returns, or technical support, please refer to the official Evotech Performance website or contact their customer service department directly. Ensure you have your product model number (PRN017155) and proof of purchase available when contacting support.
Contact Information:
- Manufacturer: Evotech Performance
- Website: www.evotech-performance.com (Note: This is a placeholder URL, please refer to the actual manufacturer's website for accurate contact details.)





