Registered Forum User
GTL
Bikes: ST4s ABS
Posts: 480
Join Date: Aug 2003
Location: Tayside, Scotland
The service schedule for the belts is every 12,000 miles or 2 years, which ever comes first. For peace of mind I changed mine every winter when the bikes was laid up and checked the shims at the same time. For me thats about every 6,000 miles.