Clutch Boss; Clutch Housing And Boss; Clutch Spring - Yamaha YZ125N1 Service Manual

CLUTCH AND PRIMARY DRIVEN GEAR
å å
∫
EC493000
REMOVAL POINTS
EC483211

Clutch boss

1. Remove:
9Nut 1
9Lock washer 2
9Clutch boss 3
NOTE:
Straighten the lock washer tab and use the
clutch holding tool 4, 5 to hold the clutch boss.
Clutch holding tool:
YM-91042................................
90890-04086............................5 5
å For USA and CDN
∫ Except for USA and CDN
EC494000
INSPECTION
EC484100

Clutch housing and boss

1. Inspect:
9Clutch housing 1
Cracks/Wear/Damage
9Clutch boss 2
Scoring/Wear/Damage
EC484201
Primary driven gear
1. Check:
9Circumferential play
Free play exists
9Gear teeth a
Wear/ Damage
EC484400

Clutch spring

1. Measure:
9Clutch spring free length a
Out of specification
a set.
Clutch spring free length:
Standard
40.1 mm
(1.579 in)
4-32
ENG
4 4
Replace.
Replace.
Replace.
Replace.
Replace springs as
<Limit>
38.1 mm
(1.500 in)