Honda NSS250S Manual page 562

ELECTRIC STARTER
Remove the springs from the brush holder.
Check for continuity between the starter motor
cable terminal and positive brushes.
There should be continuity.
Check for continuity between the positive brushes
(terminal bolt side) and rear cover.
These should be no continuity.
Check for continuity between positive and negative
brushes.
There should be no continuity.
Remove the screw and negative brushes.
21-8
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BRUSH HOLDER
SPRINGS
Continuity:
(+) BRUSHES
No continuity:
(+) BRUSHES
(–) BRUSHES
(–) BRUSHES
SCREW
CABLE TERMINAL
REAR COVER