1992-1995 Kawasaki 750SX Service Manual, Page 146Get this manual
ELECTR.ICAL SYSTEM 13-15
Brush Inspection
Measure the length of each brushIf any is worn down to these,rvice limit, replace .a,1I the brushes
Starter Motor Brush Length Standard: 12.5 mm Service timit: 6.5 mm
Brush Spring Inspection
.Check that the brush springs are in place and will snap the brushes firmly into pIaceIf not, reinstall or replace the spring