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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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