2003 Kawasaki JetSki 800 SX-R Factory service manual, Page 197Get this manual
ELECTRICAL SYSTEM 13-15 Electric Starter System
Brush lnspection
Measure the length of each brushIf any is worn down to the service limit, replace all the brushesStarter Motor Brush Length Standard: 12.5 mm (0.49 in Service Limit: 6.5 mm (0.26 in
Brush Spring lnspection
Check that the brush springs are in place and will snap the brushes firmly into placeIf not, reinstall or replace the spring