Broken ankle, can't use kickstarter. How can I work on my dirt bike engine?

I’m working on a kickstart-only 1991 DR350 that doesn’t run. Unfortunately I recently broke my right ankle so I’m not really able to use the kickstart lever, and there aren’t any hills near my workshop that I could use to bump-start it.

Is there some kind of tool that I can use to turn over the engine for my testing? I’m picturing some kind of an electric-powered wheel that can be mechanically pressed into contact with the rear wheel to get it spinning. Thanks for any advice!