Lakeside53
Stihl Wrenching
well--guy ive dealt with has it on ebay--34.00 plus ship--still looking for the 20.00 one!!!!!!
Make sure you get the correct puller - there are 4 (maybe 5 now) flywheel pullers. The most widely used version (031, 24, 26, 36 44 and many more.. etc) is the cheapest - sells on Ebay for $15 to 20..
If you have time on your hands, they aren't hard to make on a lathe (but you must be able to cut metric threads!). It is of course much easier just to buy one, or two, or...