partsfan > part info
21811-30010
BOLT, CARBURETOR TO CARBURETOR HOSE UNION
etc... 
Proper price
JPY 1,270 (excluding tax)
 
JPY 1,372 (including tax)
 
USD 11.43 (rate $1=¥120 , including tax)
PriceImageProduct TitleShop NameWebsite 
search part number.