# Service bulletin TB266

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 11037981
- Published by NHTSA: 2026\-10\-05
- Manufacturer's number: TB266
- Manufacturer's date: 2026\-09\-15
- NHTSA component: SUSPENSION

## NHTSA's summary

Technical Bulletin 266 provides instructions that relates to: Rear Suspension Unit Preload Adjuster Spacer

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11037981-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11037981-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Suspension

## Vehicles listed

- 2022 to 2024 TRIUMPH TIGER SPORT
- 2025 to 2026 TRIUMPH TIGER SPORT 660
- 2025 to 2026 TRIUMPH TIGER SPORT 800
- 2026 TRIUMPH TIGER SPORT 800 TOURING

## Other bulletins for the same vehicles and component

- [COM3\_35877](/bulletins/11037986.md), 2026-10-05, Service bulletin: SUSPENSION. Dealer notice advising of service tool auto\-issue to support the provedures as outlined in the bulletin.
- [COM1\-35693](/bulletins/11037982.md), 2026-10-05, Service bulletin: SUSPENSION. Dealer notice announcing the availability of TB266.

JSON: [/v1/bulletins/11037981](/v1/bulletins/11037981)

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