Image available on the official notice.
Motorcycle (Yamaha SR400) - Repair
Official notice
10 Oct 2018
Last checked
27 Oct 2026
An official CAA Japan notice concerns Motorcycle (Yamaha SR400) - Repair. Engine (oil hose) defect. ■ Defective component (part name): Engine (oil hose). ■ Condition of the structure, equipment or performance deemed noncompliant with standards and its cause: Due to an inappropriate tightening torque specification for the nut connection between the oil hose and oil tank in the engine oil circulation circuit, some connections have insufficient tightening torque. Consequently, pressure fluctuations and other factors in the engine oil circulation circuit may compromise the airtightness of the connection, potentially allowing engine oil to leak from it. Published 2018-10-10.
What to do now
(Recall)4342 ■ Remedial measures: On all vehicles, retighten the nut to the newly specified tightening torque. If engine oil leakage is found at the connection, replace the oil hose with a new one and tighten the nut to the newly specified tightening torque.
Recall number
4342
Official notice
2018-10-10
The hazard
The hazard
Engine (oil hose) defect. ■ Defective component (part name): Engine (oil hose). ■ Condition of the structure, equipment or performance deemed noncompliant with standards and its cause: Due to an inappropriate tightening torque specification for the nut connection between the oil hose and oil tank in the engine oil circulation circuit, some connections have insufficient tightening torque. Consequently, pressure fluctuations and other factors in the engine oil circulation circuit may compromise the airtightness of the connection, potentially allowing engine oil to leak from it.
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.
Recall Numbers
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Affected products
Product 1
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: Yamaha. Contact: ヤマハ発動機株式会社. Phone 0120-090-819.
Source & status
Source & status
Recall details
Recall details
Recall number
Event id
Source tier
Documents, notices & source
See the official notice and source documents for full details.
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