Carburator 13 mm Honda MB/MT/MTX /NSR
Main jet = 78-80 (4.8x8mm Mikuni)
Idle jet= --
Carburetors, whether original or replica, need to be cleaned before installation.
Take the opportunity to get to know your new carburetor by disassembling it and making sure there are no metal shavings left over from the manufacturing process.