1. Introduction
This manual provides essential instructions for the installation, operation, and maintenance of your KTM Akrapovic Slip-On Line Titanium Silencer, model 79505979000. This product is designed for specific motorcycle models and is intended for closed course competition use only.
Important: This silencer is for closed course competition use only and may not be legal for street use or in areas requiring specific emissions or noise certifications (e.g., USFS trails without a spark arrestor).
2. Product Overview
The Akrapovic Slip-On Line Titanium Silencer is crafted from high-grade titanium, offering significant weight savings and enhanced performance. It features permanently welded brackets and complies with current FIM noise regulations for competition use.
Image 1: The KTM Akrapovic Slip-On Line Titanium Silencer, showcasing its titanium construction and Akrapovic branding. The image also displays mounting hardware including washers and a spring.
3. Package Contents
Verify that all components are present before proceeding with installation:
- Akrapovic Slip-On Line Titanium Silencer
- Mounting hardware (washers, springs, etc. - as pictured)
- Instruction Manual (this document)
4. Installation Guide
Compatibility: This silencer is designed for 2019-2022 KTM SX-F/XC-F 250/350 models.
Professional Installation Recommended: Due to the technical nature of exhaust system components, professional installation by a qualified mechanic is highly recommended to ensure proper fitment and performance.
4.1. Required Tools (Not Included)
- Appropriate wrenches and sockets
- Torque wrench
- Spring puller tool (recommended)
- Heat-resistant gloves
4.2. Installation Steps
- Ensure the motorcycle's exhaust system is cool to the touch before beginning.
- Locate and remove the existing silencer from your motorcycle, following the manufacturer's service manual.
- Carefully inspect the exhaust header pipe for any damage or debris. Clean if necessary.
- Slide the Akrapovic Slip-On Silencer onto the exhaust header pipe. Ensure a snug fit.
- Attach the provided springs to secure the silencer to the header pipe. Use a spring puller tool for easier and safer installation.
- Mount the silencer to the motorcycle frame using the permanently welded brackets and appropriate hardware. Do not overtighten.
- Verify that all connections are secure and that the silencer is properly aligned and does not interfere with any other motorcycle components.
- Start the motorcycle and check for any exhaust leaks. Allow the engine to warm up and listen for any unusual noises.
5. Operating Considerations
This silencer is designed to optimize performance for competition use. Be aware that it may alter the sound profile of your motorcycle. Always adhere to local noise regulations and track rules.
Regularly check the silencer and mounting points for security, especially after initial installation and before each competition event.
6. Maintenance
Proper maintenance ensures the longevity and performance of your Akrapovic silencer.
- Cleaning: Clean the titanium surface with a soft cloth and mild, non-abrasive cleaner. Avoid harsh chemicals or abrasive materials that could damage the finish.
- Inspection: Periodically inspect the silencer for any signs of damage, cracks, or loose connections. Check the springs and mounting brackets for wear or fatigue.
- Repacking: While this is a slip-on, some Akrapovic silencers may require repacking of the internal sound-absorbing material over time. Consult the official Akrapovic website or a certified dealer for specific repacking instructions if applicable to this model.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Exhaust Leak | Loose connection, damaged gasket (if applicable) | Check all connections and springs. Ensure proper seating. Replace gaskets if worn. |
| Excessive Vibration/Noise | Loose mounting, interference with other components | Verify all mounting points are secure. Check for contact with frame or swingarm. |
| Poor Fitment | Incorrect model application, installation error | Confirm silencer is correct for your motorcycle model and year. Re-read installation steps. Seek professional assistance. |
| Discoloration of Titanium | Normal operating temperature effect on titanium | This is a natural characteristic of titanium exhaust systems and does not indicate a fault. |
8. Specifications
- Brand: KTM / Akrapovic
- Model: Slip-On Line Titanium Silencer
- Part Number: 79505979000
- Material: High-Grade Titanium
- Dimensions (L x W x H): Approximately 14.5 x 12.5 x 1 inches (Product dimensions, not packaging)
- Item Weight: Approximately 3 pounds
- Vehicle Service Type: Motorcycle
- Fitment: 2019-2022 KTM SX-F/XC-F 250/350
- Intended Use: Closed Course Competition Only
9. Warranty Information
For detailed warranty information regarding your Akrapovic product, please refer to the official Akrapovic or KTM warranty documentation provided at the time of purchase, or visit the official manufacturer's website. Warranty terms typically cover manufacturing defects and do not extend to damage caused by improper installation, misuse, or normal wear and tear.
10. Support
If you require further assistance or have questions not covered in this manual, please contact your authorized KTM dealer or visit the official Akrapovic or KTM support websites.
- KTM Official Website: www.ktm.com
- Akrapovic Official Website: www.akrapovic.com