Image available on the official notice.
Motorcycles (Triumph Rocket 3 R and 2 other models) - Repair
Official notice
20 Dec 2023
Last checked
27 Oct 2026
An official CAA Japan notice concerns Motorcycles (Triumph Rocket 3 R and 2 other models) - Repair. Defect in the braking system (rear brake master cylinder). Defective part (component name): Braking system (rear brake master cylinder). Condition of the structure, equipment, or performance considered noncompliant with standards, and its cause: Because the piston diameter of the rear brake master cylinder was improperly designed, brake pedal travel increases if the brake fluid deteriorates during use and vapor lock occurs. As a result, in the worst case, the rear brake may become ineffective even when the brake pedal is fully depressed. Published 2023-12-20.
What to do now
Recall notification number: 外-3745. Corrective measures: Replace the rear brake master cylinder with an improved part on all vehicles.
Units affected
587
Recall number
外-3745
Official notice
2023-12-20
The hazard
The hazard
Defect in the braking system (rear brake master cylinder). Defective part (component name): Braking system (rear brake master cylinder). Condition of the structure, equipment, or performance considered noncompliant with standards, and its cause: Because the piston diameter of the rear brake master cylinder was improperly designed, brake pedal travel increases if the brake fluid deteriorates during use and vapor lock occurs. As a result, in the worst case, the rear brake may become ineffective even when the brake pedal is fully depressed.
How to check if you're affected
How to check if you're affected
Compare the product name and identifiers below with the item you own. Check the official notice for the affected products and next steps.
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Affected products
Product 1
Units affected
Hazard
Where it was sold
Where it was sold
Retailer information is not currently available in RecallScope. Check the official notice for distribution details.
Location 1
Affected area 1
Company & contacts
Company & contacts
Brand: Triumph. Contact: トライアンフモーターサイクルズジャパン株式会社. Phone 03-6453-9810.
Source & status
Source & status
Recall details
Recall details
Recall number
Event id
Units affected
Source tier
Documents, notices & source
See the official notice and source documents for full details.
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