1986-1991 Kawasaki 650 X-2 Service Manual, Page 126Get this manual
13-14 ELECTRICALSYSTEM Starter Motor Brush Length Standard: 12.5 mm Service Limit: 6.5mm
Brush Spring Inspection
-Check that the brush springs are in place and will snap the brushes firmly into placeIf not, reinstall or replace the spring
AHalf Turn Clockwise BSpring CSpring Post
DBrush EBrush Groove
Commutator Cleaning and Inspection
aTa install the end covers on the yoke, align the mark