Touratech 12MM GPS Adapter Mounting Instructions
Quick guide for installing the Touratech GPS adapter on 12mm struts, including assembly steps, torque specifications, and safety requirements.
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This document provides instructions for the direct mounting of the Touratech GPS adapter onto 12mm struts. It is compatible with Garmin Zumo XT, Zumo 5xx, 276Cx, and TomTom Rider series. The installation requires following a specific sequence of steps to ensure safety and proper functionality.
Safety and installation requirements

- We recommend having the accessory parts fitted by a specialist workshop.
- Always follow the order of assembly steps provided in the diagrams.
- Check and if necessary tighten all bolted connections after 50 km.
- Apply conventional lubricant to stainless steel bolts prior to assembly.
- If modifications are made to the motorcycle (fairing, stem, handlebar, etc.), ensure that electrical wiring, brake lines, and cables are refitted correctly and maintain clearance with full steering lock.
- Always disconnect the battery when working on the electrical system.
Assembly
The assembly process involves attaching the adapter plate to the 12mm strut using the provided hardware. Refer to the numbered diagram for the correct sequence of components, including nuts, bolts, and spacers. Ensure all fasteners are tightened to the appropriate torque settings based on the bolt size and material (Steel 8.8 or Inox A2).

Torque specifications
Use the following torque values for standard bolts (strength class 8.8):
- M4: 2.7 Nm (Steel) / 0.8 Nm (Inox)
- M5: 5.5 Nm (Steel) / 1.7 Nm (Inox)
- M6: 9.7 Nm (Steel) / 3.0 Nm (Inox)
- M8: 23.0 Nm (Steel) / 7.9 Nm (Inox)
- M10: 47.0 Nm (Steel) / 14.0 Nm (Inox)
- M12: 80.0 Nm (Steel) / 24.0 Nm (Inox)
- M16: 196.0 Nm (Steel) / 59.0 Nm (Inox)
- M20: 385.0 Nm (Steel) / 114.0 Nm (Inox)
Manufacturer information
Touratech GmbH
Practical help
Common problems
Check and if necessary tighten all bolted connections after the first 50 km of riding.
Ensure all electrical wiring, brake lines, and cables are refitted correctly and maintain clearance during full steering lock.
Before use
- Verify compatibility with your specific GPS device (Garmin Zumo XT, 5xx, 276Cx or TomTom Rider).
- Ensure the motorcycle strut diameter is 12mm.
- Apply lubricant to stainless steel bolts before assembly.
- Disconnect the motorcycle battery if any electrical work is performed.
- Have a torque wrench ready for proper bolt tightening.
Specs in practice
- Strength Class 8.8
- Standard metric bolt strength rating used for torque calculations.
Images and diagrams
- Step 1-2: Initial positioning of the adapter plate on the 12mm strut.
- Step 3-4: Final securing of the adapter using the provided nuts and bolts.
Model compatibility
- Designed for direct mounting to 12mm struts.
- Compatible with Garmin Zumo XT, Zumo 5xx, 276Cx, and TomTom Rider series.
Manual page author
Emily Carter
User documentation editor
Prepares concise manual descriptions and highlights the most useful setup, operation, and maintenance information for readers.