Character 5 (Model): This character identifies the specific model of the motorcycle (e.g., R1, R6, FZ1, etc.).Character 4 (Vehicle Type): This character represents the type of motorcycle, such as street, off-road, scooter, etc.Yamaha motorcycles typically have a WMI starting with "JYA" or "JY1," where "J" indicates Japan, and "YA" or "Y1" denotes Yamaha. Characters 1-3 (World Manufacturer Identifier - WMI): These characters identify the manufacturer and country of origin.These codes help track the history of the vehicle, provide information about its origin, model, and specific features, and are essential for registration, insurance, and ownership purposes. Yamaha motorcycle VIN codes (Vehicle Identification Number) are unique 17-character alphanumeric identifiers assigned to each motorcycle during the manufacturing process.