RK Upgrade Kit Yamaha YZF750 SP 530 Conversion Kit 93-97 3602748RK December 10, 2023 admin RK OE upgrade chain and sprocket chain and sprocket kits contain a heavier duty RK chain than that supplied as OE on the motorcycle when new. CHAIN RK GB530XSOZ1-104 GOLD. RK SPROCKET KIT BOX.
