Kawasaki — recall
Automotive · Japan · 2025-12-10
Origin: 日本
Kawasaki motorcycles' engine crankcase bolts may loosen due to insufficient tightening method consideration
| Country | Japan |
|---|---|
| Category | Automotive |
| Published | 2025-12-10 |
| Country of origin | 日本 |
| Manufacturer | Kawasaki Motors Corporation |
| Models affected | Ninja ZX-6R |
| Units affected | 1930 |
| Defect | Regarding the bolts fastening the upper and lower crankcases of the engine, due to insufficient consideration of the tightening method, the tightening axial force varies, and some bolts were tightened with excessive axial force. As a result, proper oil clearance cannot be ensured between the crankshaft bearing and the crankshaft, and in the worst case, the crankshaft bearing may seize, potentially causing the engine to stop while driving. |
| Component | Engine (crankshaft bearing) |
| Remedy | For vehicles that have not been driven, the crankcase tightening bolts will be tightened using the proper method. For vehicles that have already been driven, the crankshaft bearings will be inspected and repaired if any abnormality is found. If no abnormality is found, the crankcase tightening bolts will be tightened using the proper method. |
| Recall number | 5750 |
| Official notice | View source ↗ |
What this means for sellers
| Likely platform / channel actions | OEMs/dealers will run the remedy (repair, replace or refund); component suppliers in the chain may face traceback. |
|---|---|
| Self-check for comparable products | Check your comparable products' design, materials and QC records against the defect described here. |
| Rules & standards likely involved | the destination market's product-safety rules and mandatory standards |
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