This wiring diagram is applicable for Honda CT90 early models. Here is the components and parts list :

Honda CT90 Early Models Wiring Diagram

Turn signal light
Neutral pilot lamp
Speedometer lamp
High beam pilot lamp
Turn signal pilot lamp
Headlight
Lighting switch
AC generator with contact breaker
Condenser
Ignition switch
Spark plug
Tail/stop light
Stop switch
Winker relay
Battery
Selenium Rectifier
Ignition switch switching arrangement
Horn button