There is a thread in the Tech Ref area about this, here is a link for completeness:
http://www.cafehusky.com/threads/rear-suspension-maintenance-on-a-2006-te250.1422/#post-25794
Remove brake from swing arm, note one is a sheet metal screw and another is a bolt
Support brake
Remove brake pedal
Remove cover, kickstand, and roller from left side
Pic says it all
Glad I did the suspension that bolt was a bit dry
All clean, bolt on left needs washer (not shown).
There is a bushing with shoulder in swing arm, then washer, then nut all under the plastic covers
These grease fittings are nice but not complete - I would not rely on the grease fittings greasing everything.
Also the file "2006-DOHC-Husky-parts.pdf" is different than what this TE250 had. Here is a nice feature:
.
http://www.cafehusky.com/threads/rear-suspension-maintenance-on-a-2006-te250.1422/#post-25794
Remove brake from swing arm, note one is a sheet metal screw and another is a bolt

Support brake

Remove brake pedal

Remove cover, kickstand, and roller from left side

Pic says it all

Glad I did the suspension that bolt was a bit dry


All clean, bolt on left needs washer (not shown).

There is a bushing with shoulder in swing arm, then washer, then nut all under the plastic covers

These grease fittings are nice but not complete - I would not rely on the grease fittings greasing everything.
Also the file "2006-DOHC-Husky-parts.pdf" is different than what this TE250 had. Here is a nice feature:

.