Oil leaking out of stator cover

[radare]

There is an oil-seal on the shaft that sits behind the rotor. You will have to pull the rotor to then remove the seal retainer to replace the seal. You'll want to install a new retainer o-ring and a new oil seal to fix the leak. It's not a difficult job.

Here's the write-up on replacing the seal: http://www.xjrider.com/viewtopic.php?f=69&t=2108