Honda Vietnam is launching a recall campaign affecting 748 motorcycles (Rebel 500: 724 units, CL500: 15 units, CB1000 Hornet: 9 units) to replace defective parts due to safety issues. The Rebel 500 and CL500 have loose handlebar nuts affecting steering control, while CB1000 Hornet has fuel leakage and excessive engine oil consumption issues requiring part replacement.