The mounting bracket on the Brophy Aluminum Scissor Steps, part # AS24, is 25 inches long and 1-1/2 inches wide and should be placed 1/8 inch below the lowest part of the door on your RV for installation.
The steps I have that are made to bolt or weld onto the trailer frame are the Stromberg Carlson brand. They will only have single, double, and triple steps. I am including a link to a product page that will list all of the Stromberg Carlson steps I have available.
I also have the Outriggers... view full answer...
I have a possible solution for you, however, we do not carry tonneau bed covers for your Yamaha Umax Golfcart / UTV.
If you just wanted the cover for looks or to keep the cargo inside the bed, you could look into the universal Erickson Mesh Tarp and Truck Bed Cover - Heavy Duty - Black - 6' x 8' # EM57056. Keep in mind, this is not weatherproof, but is made of a mesh material to protect the cargo from sun and wind. I have attached a photo showing this cover being used on a small utility... view full answer...
For your 2002 Yamaha Kodiak the Bulldog Winch mount part # BDW15128 has been confirmed as a fit so it would work great.
This would work well with the Superwinch Terra # SW1145220 that you also referenced. view full answer...
We do sell the Dutton-Lainson Freewheel Brake Winch # DL15761. This winch combines the best of both worlds, allowing you to lift the latch so the gears can freespool or secure the handle with the latch to engage the brake.
The ratcheting handle for that winch is the DLB Series Brake Winch Ratcheting Replacement Handle # DL70347.
Mounting the winch as you have described will require a custom base, we do not have any winch bases that fit your description, and will need to be secured mounted... view full answer...