Granted, I might live a sheltered life, but I have never seen this anywhere else. For those of us who like to wrench on our bikes, the pictures and parts lists are indispensable. Online microfiche. Take a look. Cut and paste the link below:
partsfinder.onlinemicrofiche.com/ronnies//showmodel.asp?Type=13&make=hdmc&A=613&B=1
partsfinder.onlinemicrofiche.com/ronnies//showmodel.asp?Type=13&make=hdmc&A=613&B=1