Procrastination--at least for me--tends to be caused by one of 3 things:
Thankfully each of these has a relatively simple solution, and lends itself to a procrastination checklist. When I'm putting something off, I can work down the list.
There's your starting point: and then you just need to keep putting one foot in front of the other. Any time I'm struggling to get going, I bring it back to: what's the smallest I can do to keep moving forwards? Then do that. The rest will follow.