The tires on my trailer list the weight limit at 60 PSI. When I got the boat the tires were inflated to about 30 PSI and everything seemed fine when trailering. I now run at 40 PSI but I've seen other posts where people mention 50 and 60. Seems like that would make for a rougher ride back there. Does anyone have any idea what the recommendation should be for the proper tire pressure? By the way, when I got the trailer I noticed it was sitting funny so I took a closer look. Turns out 2 structural bolts were missing. After replacing them I went over the whole trailer and tightened everything up. There were at least 3 other bolts that were about to fall off, which is scary considering there are only a few bolts holding that thing together. Looks like this is going to be an issue so I used locktight on the bolts I had to tighten or replace.