Pretty close.
Actually I think the "Elmo" was first on an existing sidecar.
When I beat the FIA record held by the GMC Cyclone, and blew off the 2 club for my own reasons, Mark Dees introduced himself to the FIA Rep in tech as the 2 club legal council and was going to file a protest because my Buick TAXI was not a 2 seater like the PU and thus was not in the same class.
They explained the FIA rules to him and that was not the end of that.
He backed off and was a little upset.
The following year he bought a Yamama from Canada, paid to have it hopped up, and had a rider.
He proceeded to enter it as a Production bike and had he not made a mistake it would have been legal.
He applied the tape required to confine the glass lamps all over the front of the bike before record runs.
My kid saw it first and brought it to my attention and the entry was withdrawn , never to be seen again.
And so it goes, there it went, and it just keeps going, and going, and going.