KD tools has a kit for the crank seal try ebay. Also before you go to all that trouble you may try a PCV valve. Mine has all but eliminated oil leaks.
You should be able to just remove the rear main cap to swap out the rope seal. Also there has been quite a lot of tips written up on 'how-to' for this job check tech tips.
Last edited by JiMerit; 08/29/2009 5:12 PM.