Do you feel a motorcycle is good for PTSD?

some guys go fishing. Others ride a motorcycle . If it works for you then do it.

it is because while your riding your bike all your thinking about is riding.

Go for a ride across the country pub to pub 

good luck may your hang overs be small ones.

It is a good way to concentrate on one thing and to avoid thinking about others.

Riding is good for a lot of things - mostly because it is enjoyable and to survive you have to be attentive at levels most people driving never attain. However, there are times when the dailyshit pushes the attentiveness out of the way, learning to recognize that you are not on your game is essential - snap out of it or turn around. Tell tale signs, blinkers not canceled, misstep at a stop, missing a turn because you were day dreaming or stewing about something..... 

  I can't say first hand, missed 'Nam draft by 3 years. Many of my ALR friends are 68 yo 'Nam vets, though.

    I Never  see  Harleys outside shrinks' offices..

  Just like yoga, it isn't a "cure" or a mask, but a way to work Thru it. When  you face death, other  things look petty. I did twice when Mom and Dad died.

https://www.youtube.com/watch?v=s9K_Gzfbsh8

I am glad motorcycling is soothing but you can't ride all the time. PTSD needs to be cured not dulled.  Don't trifle with mental problems. 

Escapism is not paramount to therapy.