Yamaha YZ125 MX175 NOS 47T 428 chain 6 bolt Rear Sprocket sku 6320

New old stock product.  Purchased from an old line Honda dealer who stocked lots of OEM and high quality replacement parts in the heyday of Japanese imports but is now closed.

428 chain 47 teeth 6 Bolt Pattern at 5.2 cm on center. Concave Heavy Duty Sprocket Marked as shown above.  Appears to be case hardened steel