Just bought the wife a 2007 sportster 1200 with a CSC trike kit on it. There are no issues with the clutch as of yet , but do you think i should install a heavier spring in the near future or is the stock spring good enough. The bike has 10,500 miles on it with 1300 miles as a trike. She will ride it solo so weight will not be a issue but don't want problems in the future if i can help it.