So far as I know, the H only came from the factory with 2 options on the starter switch. Original was mounted on the tank bracket and required reaching around the steering post with your toe to operate it, which was a pain in the a$$ as well as the knee, ankle, etc. There were a few aftermarket options to improve them with such as a lever, or such as ours with the little bracket and curved rod to make it easier to reach. I will get some pictures later today. Later models came with a bracket that mounted the starter switch on the left side of the steering column at a level it could be easily reached with your hand.
"The Constitution is not an instrument for the government
to restrain the people, it is an instrument for the people to restrain the
government lest it come to dominate our lives and interests." Patrick Henry