You will not find a receiver bike rack to carry more than 500#. I have a 700# ST1300 and have looked at multiple options. With the right rig a hydraulic lift for the bigger bikes is slick, but a bit $$$$. I thought of a Suzuki VanVan 325# dual sport on a 500# receiver rack, gives a bit of cushion to the weight limits.
Enjoy FT.
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