The part GB/T818-M4X8 is available for purchase and is in stock
Ships from Sweden next business day and should be with you within a week
2 pieces "pan head screw m4x8 GB/T818-M4X8" are being used on the page "F20/F25 carburetor" They are sold one by one, if you need a complete set you need to buy multiple.
Pan head screw m4x8 GB/T818-M4X8 can be found as number 21 on the exploded view below
This pan head screw m4x8 is used for all these parsun models