I'll show you how to do it.
I made it at Techshop. The have a work bay where you can work on your car, motorcycle, moped... whatever! There are 3 of them around the SF Bay Area, so it's pretty convenient. There's others around the country and they have lots of tools and workshops. Wood, Metal, Fabrics, Electronics and more. It's rad.
Check it out here: www.techshop.ws
A flathead screwdriver
A piston stop
A socket wrench with a 17mm socket and a sparkplug socket