We have a place here where you can do it yourself. It's a bit far away from where I live, but on a sunny day worth the trip, and I've done it many times during this project. It's about 25% cheaper, so it adds up. Couldn't have done without it!
1982 Kawasaki KZ1300 A4
1981 Kawasaki KZ1300 A3
assembling engine, chassis & electrical from 79 - 89 parts