NHTSA (USA)Critical
2015–2016 HONDA CB300FNHTSA Campaign #16V528000
The official notice
Defect
Honda (American Honda Motor Co.) is recalling certain model year 2015-2016 CBR300RA, CBR300R and CB300F motorcycles. The affected motorcycles may have an improperly machined crankshaft which may result in the failure of the connecting rod bearing retainer.
Safety Risk
If the connecting rod bearing retainer fails, the engine may stall, increasing the risk of a crash.
Remedy
Honda will notify owners, and dealers will replace the crankshaft assembly, free of charge. The recall began on August 26, 2016. Owners may contact Honda customer service at 1-866-784-1870. Honda's number for this recall is KB9.
11,424 vehicles affectedMfr ref: KB9Updated June 10, 2026