This is a new drive belt for most Chinese 2 and 4 stroke scooters. Belt size is 654-18-30 18mm wide(about 3/4"), 654 mm long(about 25 3/4") and 30mm is the angle. Belt sizes vary, but it will work on most scooters.
BSV: GP-SP - ZX
HONDA: DIO SP-SR - DIO ZX - SHADOW
HSC: SC01 - SC01 L
KYMCO: CX 50 SUPER - DJY - DY WORLD - K12 - DJ refined
SYM: DIO - Arnada- DD50