I've built a few, all riffs on the idea of:
- 4 2x2's, one at each vertical corner
- 4 1/2" thick plywood sides, screwed to the 2x2s
- 1x10 top, recessed, many screws (adds a lot of strength)
- over that, a replaceable top, usually use a 1x10 piece of hardwood, but melamine works as well
- 1x2 with rounded edges across the narrow direction, near the bottom, as a handle
Works ok, doubles as a step for loading, triples as a block in front of the front wheel when hauling multiple bikes.
But if I could recommend one, I'd say get the roll around hydraulic jack from Sears. Hoisting the KX up onto a stand is easy enough, but I about busted a gut trying that with the dual sport bike. The bike jack was on sale for $80, which seemed like a lot at the time - but has seen 5+ years of use and is really handy. Pep Boys sometimes has a verion on sale for $60, but take a look at it and see if it has metal parts sticking up above the rubber feet.
FYI.kaos