Checking The Brush; Checking The Magnetic Switch - Yamaha MZ250 Service Manual

2
1
1
ELECTRIC STARTING SYSTEM
(ELECTRIC STARTING MODEL)
1
5-16
1 Continuity check
2 Insulation check
3 Armature coil

CHECKING THE BRUSH

1. Measure:
9 Brush length (of each brush) 1
Out of specification → Replace.
Limit:
Refer to "SPECIFICATIONS" in
the Supplementary service
manual.
2. Check:
9 Brush spring 2
Fatigue/damage → Replace.
Assembly
1. Reverse the disassembly steps.
(Refer to "DISASSEMBLING THE
STARTER MOTOR" on 5-14)

CHECKING THE MAGNETIC SWITCH

1. Measure:
9 Magnetic switch 1 coil resistance
Connect the pocket tester (Ω × 1) to
the magnetic switch.
Analog pocket tester:
YU-03112-C
Pocket tester:
90890-03112
Out of specification → Replace.
ELEC