4-35
CLUTCH AND PRIMARY DRIVEN GEAR
ENG
EC493000
REMOVAL POINTS
EC483211
Clutch boss
1. Remove:
9
Nut
1
9
Lock washer
2
9
Clutch boss
3
NOTE:
Straighten the lock washer tab and use the
clutch holding tool
4
,
5
to hold the clutch boss.
å
For USA and CDN
∫
Except for USA and CDN
EC494000
INSPECTION
EC484100
Clutch housing and boss
1. Inspect:
9
Clutch housing
1
Cracks/Wear/Damage
→
Replace.
9
Clutch boss
2
Scoring/Wear/Damage
→
Replace.
EC484201
Primary driven gear
1. Check:
9
Circumferential play
Free play exists
→
Replace.
9
Gear teeth
a
Wear/ Damage
→
Replace.
EC484400
Clutch spring
1. Measure:
9
Clutch spring free length
a
Out of specification
→
Replace springs as
a set.
Clutch holding tool:
YM-91042................................
4
4
90890-04086............................
5
5
Clutch spring free length:
Standard
<Limit>
50.0 mm
48.0 mm
(1.969 in)
(1.890 in)
å
∫
å
1P8-9-32-4b 4/6/06 2:12 PM Page 16
Summary of Contents for YZ250(W)/W1
Page 78: ...2 11 MAINTENANCE SPECIFICATIONS SPEC MEMO...
Page 594: ...TUN MEMO...