I am going to put a plug in for the EXe. I have been riding it for about one year. It was my first e-bike, and I didn't want a 55-pound bike that felt like it weighed 55 pounds. I find the EXe a complete blast to descend on, and I don't feel the weight of the bike and motor any more than I did...
As others have suggested get an ebike if that will allow you to get out and have fun. As for suspension, it will smooth your ride; you don't need 150 mm to ride on Fireroads. 100 to 120mm will work fine for that, as well as the smoother single track you may try. A hardtail may work fine; take...
I don't agree with you for even a second, Chainsaws are dangerous. I was a faller on a firefighting crew, organizations don't have rigorous months-long training programs because using a saw only requires common sense.
For the OP - either stick with your handsaw or try a small battery-powered...
I'm going to suggest that the 800 mm bar width is excessive and a good place to start.
You can find some online calculators. Do a pushup and measure that distance, a starting point.
Steve
I can't help but wonder if you consulted a Doctor? Might be a better place for medical advice than a eMTB forum?
Just a friendly thought from Canada eh!
Once you are sorted with the installation bit, tubeless is the best! Some tire installs may need a compressor to get them to seat. And you do need to remember to top up sealant every few months, once again this isn't a big drama once you have it sorted.
You will find you get way fewer flats...