Image available on the official notice.
Motorcycles (Honda CB650R and 8 other models) - Repair
Official notice
29 May 2025
Last checked
27 Oct 2026
An official CAA Japan notice concerns Motorcycles (Honda CB650R and 8 other models) - Repair. Engine defect (sealing bolts). ■ Defective part (component name): Engine (sealing bolts). ■ Condition of the structure, equipment or performance considered noncompliant with standards, and its cause: Due to improper management of inspection jigs and an inappropriate forming method, some sealing bolts installed in the engine lower case have improperly formed threads, reducing their sealing performance when tightened. Continued use may therefore cause engine oil to leak. Leaked oil may contact the exhaust pipe and produce smoke, and, in the worst case, may adhere to the rear tire and cause the motorcycle to fall over. Published 2025-05-29.
What to do now
Recall notification number: 5655. ■ Corrective measures: Replace the sealing bolts with nondefective parts on all vehicles.
Units affected
2,041
Recall number
5655
Official notice
2025-05-29
The hazard
The hazard
Engine defect (sealing bolts). ■ Defective part (component name): Engine (sealing bolts). ■ Condition of the structure, equipment or performance considered noncompliant with standards, and its cause: Due to improper management of inspection jigs and an inappropriate forming method, some sealing bolts installed in the engine lower case have improperly formed threads, reducing their sealing performance when tightened. Continued use may therefore cause engine oil to leak. Leaked oil may contact the exhaust pipe and produce smoke, and, in the worst case, may adhere to the rear tire and cause the motorcycle to fall over.
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.
Models
Recall Numbers
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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: Honda. Contact: 本田技研工業株式会社. Phone 0120-086819.
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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