Genuine Parsun pan head screw m5x20 GB/T818-M5x20 is compatible with Yamaha 97880-05200
Delivery time is normally about one month
2 pieces "pan head screw m5x20 GB/T818-M5x20" are being used on the page "F30/F40 intake system 2"
They are sold one by one, if you need a complete set you need to buy multiple.