This online resource library can answer most of the questions you might have. The library offers manuals, photos, videos and other useful information to help solve your issues and is organized by topic for quick referencing.
Simply select a category from the list on the left column.
Bike not shifting correctly; something is stopping the rear end from dropping nicely into place when unfolding the bike.
Hyperfold cable crushing the gear cable under the bottom bracket. The rubber O-ring that attempts to solve this problem breaks.
As at 1 October, 2008, it looks like we need to cable-tie the gear cables to the third 'dinosaur' leg - this makes it impossible for the cables to get crushed; we just figured this out and I will implement it in the line. - Rob English