Motorcycle Questions? Ask a Mechanic.
Hi and welcome to JustAnswer, I’m Louie. Sorry you had to wait awhile but I’ll do my best to help.Initially, how old is the "...after market starter..." ?
And why was the starter replaced before?
Still, let's try check and review the basics for the starter issue. Proposed preliminary tries (if have not been done):
With this Honda and even if just for test purposes, hardwaire a secondary ground line from the battery's - terminal to the engine/starter bolt, to the fram and to the harness green wire(s).