Assembling The Starter Motor - Yamaha WR450F Owner's Service Manual

7. Check:
• Gear teeth
Damage/wear  Replace the starter motor.
8. Check:
• Oil seal
Damage/wear  Replace the defective part
(s).

ASSEMBLING THE STARTER MOTOR

EAS2GC1264
1. Install:
• Brush spring "1"
• Brush "2"
TIP
Align the corner of brush terminal "a" with
groove "b" and fit them together.
a
1
b
2. Install:
• Armature assembly "1"
Install while holding down the brush using a
thin screw driver.
ECA
NOTICE
Be careful not to damage the brush during
installation.
3. Install:
• O-ring "1"
New
• Starter motor yoke "2"
TIP
• Install the starter motor yoke with its groove
"a" facing starter motor rear cover.
• Align the match mark "b" on the starter motor
yoke with the match mark "c" on the starter
motor rear cover.
1
2
c
1
4. Install:
• Circlip "1"
• Plain washer "2"
• O-ring "3"
• Washer (starter motor front cover) "4"
• Starter motor front cover "5"
TIP
• For installation, align the projections on the
washer with the slots in the front cover.
• Align the match mark "a" on the starter motor
yoke with the match mark "b" on the starter
motor front cover.
2
5. Install:
• Bolt "1"
• O-ring "2"
TIP
Apply the lithium-soap-based grease on the O-
ring.
6-39
ELECTRIC STARTER
2
b
a
New
3
a
1 2
New
1
b
4
5
1
2