You can add grease zerks. My neighbor helped me do that for my spindles. He also showed me how to remove the bearings from the spindle. Before that I ignorantly/angrily bought an entire spindle. 7.00 vs hundreds.
The OEM vents failed in less than 50hrs. They allowed gas to splash out covering the tanks. I tried several options all of which were not viable. This is what I came up with and it works like a charm.
You'll need a hand deburring tool to shave a bit off of the openings. I used a shop-vac...
I've pulled the belt to make sure a pulley isn't seized up. It seems a little hard to pull but not terrible or doesn't seem stuck. It runs If I'm not in the seat.