The parts are to be reassembled in the opposite direction of disassembly.
The bearings of the pedals and of the fork must be well greased before their assembly.
It is only the game of the fork to be adjusted by the tightening of the nut located under the handlebars. To do this, tighten completely and unscrew slightly without there being any play to check by front-rear movement of the Solex, front brake tight.