Unproperly called -PZ26- this carburetor is perfect for 90 to 140cc
The venturi section = 22mm (25x18 oblong hole)
Hole in connection with the intake pipe = 26mm
Hole fixing distance = 48mm
Foam filter fixing diameter = 38mm
Main jet 95 (MKC type with thread 0.75mm)
Slow jet 15
The size of a carburetor is always measured at the narrowest place is called the venturi.
Most are equipped Pitbikes this carb said ''26'' which is actually a 22mm. The true Mikuni VM26 (26mm at the venturi) to a fitting on the pipe round.