Maintenance is one of the biggest things about free-coasters. So do not expect to never touch your hub. It needs some TLC every now and then... I will try to post more specific maintenance for different hubs, but for now, refer to Flatland-Fuel’s guide:

General Freecoaster Maintenance

http://www.wtlw.net/ff/taska/

Here is PDF file about the slack adjustment of the Geisha

Geisha Maintenance

Geisha Maintenance 2

General Trouble Shooting

If you are looking for more general bicycle maintenance, please check these sites, they are great resources:

http://www.bmx-forum.com/

http://www.bikeguide.org/

http://gsportbmx.com/tech/tech.php