9 - 22
–
+
ELEC
CHECKING THE STARTER MOTOR
1. Check:
• commutator
Dirty
→
Clean it with #600 grit sandpaper.
2. Measure:
• commutator diameter
a
Out of specification
→
Replace the starter
motor.
3. Measure:
• mica undercut
b
Out of specification
→
Scrape the mica
using a hacksaw blade.
NOTE:
Scrape the mica to the proper measurement
using a hacksaw blade which has been
grounded to fit the commutator.
Outside diameter
28 mm (1.10 in)
<Wear limit>:
27 mm (1.06 in)
Mica undercut
0.7 mm (0.03 in)
4. Check:
• armature coil (insulation/continuity)
Defects
→
Replace the starter motor.
▼▼▼
▼
▼ ▼▼▼
▼
▼ ▼▼▼
▼
▼ ▼▼▼
▼
▼ ▼▼▼
▼
▼ ▼▼▼
▼
▼▼▼
a. Connect the pocket tester for the continuity
check
1
and insulation check
2
.
b. Measure the armature resistances.
c. If the resistance is incorrect, replace the
starter motor.
▲▲▲
▲
▲ ▲▲▲
▲
▲ ▲▲▲
▲
▲ ▲▲▲
▲
▲ ▲▲▲
▲
▲ ▲▲▲
▲
▲▲▲
Armature coil resistance
Continuity check
0.025 ~ 0.035
Ω
at 20 °C (68 °F)
Insulation check
More than 1 M
Ω
at 20 °C (68 °F)
Summary of Contents for Rhino 450 YXR45FAV
Page 1: ...LIT 11616 19 43 2P5 F8197 10 YXR45FAV SERVICE MANUAL ...
Page 6: ......
Page 57: ...2 31 SPEC OIL FLOW DIAGRAMS 1 Oil delivery pipe 2 Oil pump 3 Oil strainer A A A A 1 2 3 ...
Page 347: ...9 4 ELEC CHECKING THE SWITCHES ...
Page 375: ...9 32 ELEC LIGHTING SYSTEM ...
Page 411: ......
Page 412: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN PRINTED IN U S A ...