This kit is for engines with a 50cc cylinderhead (20/23mm valves).
Black alu cylinder: 63mm long and with 51mm bore.
For crankshafts with 41,3mm stroke.
This kit works fine with a 20mm or 24mm carb.
Works also with the original Dax carburetor, but with other main jet.
We recommend to use this kit with a stronger oilpump.
Police Version: Marked with 49cc
Honda Dax Monkey Gorilla