Thanks for the welcome!
Jim, I emailed you some Yetman info.
Mark, I'm familiar with you from VMX magazine, and I've already read most of your posts here on your projects. I know a guy in SoCal who I think still has a Hindall TT500, let me know if you want to contact him. I can think up new projects much faster than I can finish the old ones, but I'm trying to make some progress. When the projects tend to start with not much more than a motor and a "this would be interesting" idea and then I try to build all the missing parts they often don't proceed very quickly. There's never a shortage of things to avoid doing.
I'm 2.5 blocks south of Golden Gate Park and 3 blocks in from the ocean where the fog is usually nice and heavy and it doesn't get too hot! For someone who started dirt riding in Albuquerque NM I don't tolerate the heat very well once I got acclimated to living near the beach.
Beware of imitators trading on my good name.
I think you've got a politician down your way who shares the name with me (though he seems to use "Mike" where I always go by Michael).
Graeme, you've barely begun to scratch the surface on the website. I've got lots more stuff to add when I get that elusive "round tuit". I never expected it to get so big when I started it (sounds like a typical project) and it could use a good tidying up/reorganizing. I never know what kind of interesting photos/information will show up in my email.
Tahitian_Red , drop me a PM with your contact info and maybe we can meet at the races. I'm hoping to get the MX175 ready for Hollister in October. Since I've not been doing much of any kind of dirt riding the last decade+ I mostly only know vintage road racers, though of course I know Fred Mork (who sponsored me on a RR 350 Ducati one season and let me ride his Garden Gate Manx and his 380 CZ a time or two).
cheers,
Michael