I used aircraft grade paint stripper. Don't breath it in and also wear gloves. You can find it at carquest or many hardware stores. The lacquer finish should be fine just used a few coats to make sure you got it all. Its fun to watch the paint being lifted off the bike. Steel wool is great for getting the lifted paint off the frame. I'd have to thank leftywoody AND terronthesnake for all this info.
Here's a pic of my paint stripping in action.