??? HF Touring Bike

YO everybody...
Been monitoring the posts and threads on the HF motor overhead valve 79ci
I'm building up a touring bike and my bikes of choice are the Workman's, Newsboy and the Gruby G2
This bike will be used for long distance touring with the HF motor pulling a Bob's 1 wheel trailer w/app 45lbs gear and I weigh 170 soaking wet.
My ?? are:
Do you recommend removing the governor or leaving it in tact?
Speed is not of the essence, would like to cruise between 15-17mph and max at 20mph.
I will use 1 of the 2 excellent belt drive transmissions that our vendors have worked so hard to put together for us.
What kind of advice and suggestions can you give me on gearing up such a set up?
And recommendations for throttle hook up to the engine?
I work in the State Capitol small engine shop and have access to a lot a different parts such as throttle stops, cables, brackets, and other misc. goodies.
Any comments advice or suggestions would be deeply appreciated.

Thanks guys for your expertise and advice. I might be old but I'm not too old to take good suggestions and advice.
There are a lot of great minds on this forum. I respect all the input I can get. It's really a learning process. Theres not a day that goes by that you don't learn something no matter how old you are.

tyrslider I been following the posts on your Workmans build. Looks like its going to be a real winner. I got an old Workman's frame I've had around for a long time but I dont' know what to do with it. But I do like the in frame tank that you could put in one. But like you said to the HF motor on it would be a tight fit. I havent' purchased the G2 yet I have some questionability of the quality of the components. I picked up an old Raleigh mountain bike frame from the LPD auction I know its made out of the good stuff because when you wrap it with the end of a ratchet its got a good ring to it. It may just be the basics for my build. Gonna take it down to the shop tomorrow and glass bead it out and magniflux for any imperfections dents and dings. Powder coating is the only way to go. One of the guys in the shop gave me a handlbar off an old Honda motorcycle it has the roll off grips kill switch and break levers and cables intact. He said I might be able to use it. I told that the bike bars are smaller diameter he said that would be no problem he can make sleeves to fit.. I said that might work. I got the whole bunch interested in motorbikes now. I think I started something. lol
I got 2 motors and I'm in the process of removing the governor completely. I can fix the oil leak by retapping the hose and installing plugs in loktite. The top hole I'm going to install a stud and use it for a pivot point for the throttle. I think that will work out pretty good.
As for components I always use Shimano. It's gonna take me alittle while to get this all together
Thanks for your advice.