Find aStihl dealer who is angry with Stihl & offer to pay him for downloading & printing you out a copy
Join every lawnmower , chain saw & arbourist web group in the hope of finding some one who has a copy they are willing to share with you.
Get a job with a Stihl dealer and download it on your break.
Become an authorised Stihl dealer.
Search evilpay on an hourly basis for some one selling a CD of service info, but you have to be quick cause Stihl will have it down in an hour or so.
Stihl is very protective of their IP