Things are kind of slow for now, so if you aren't a regular on MB boards, I thought I'd share an active thread.
Biknut from motorbicycling.com is tired of poorly built HT engines, so he's tearing down a new Boygofast engine to ensure that it's properly put together. Read more to watch him tear apart an HT!
UPDATE: Unfortunately, it seems that many of the images from the original thread are gone. It still may prove useful to read, and pictured above is biknut's ingenious way of pressing the crank out of the engine.