Less than $100 actually.
If you own a motorcycle and plan to own a motorcycle well into the future you owe yourself a motorcycle jack. Sears makes three different models of the things, one that cost about $170 and another that cost about $140, the least expensive one about $90. The expensive one uses lots of aluminum parts and is much lighter than the less expensive red steel version. I have never seen the silver one so can't comment on it. The expensive one is yellow, the less expensive one is red. I have the red one, not because of the cost but because it is actually a little bit more stable than the more expensive yellow one.
These jacks are just plain wonderful. You should have one if for no other purpose than cleaning your wheels but they are essential for any work that requires (front) wheel removal, like simple brake pad replacement for instance.
For those who aren't aware of it the quality of Sears' tools has gone straight to hell in the last 10 years or so. Its a shame, at one time they were about the best deal around on quality tools. They sold very good stuff and backed it up, all of it, with lifetime warranties. That is no longer the case but this is one tool they sell that is still worth the money.
I could not find a picture that I could paste in so here's a link to the one I bought. These things are available from several sources, including places like Northern Tool, which I never use.
http://www.sears.com/shc/s/search_10153_12605?keyword=atv+jack&gobutton.x=15&gobutton.y=4