4 - 51
ENG
CLUTCH
EC493000
REMOVAL POINTS
EC483211
Clutch boss
1. Remove:
• Nut
1
• Lock washer
2
• Clutch boss
3
NOTE:
Straighten the lock washer tab and use the
clutch holding tool
4
to hold the clutch boss.
È
For USA and CDN
É
Except for USA and CDN
Clutch holding tool:
YM-91042/90890-04086
È
É
EC494000
INSPECTION
EC484100
Clutch housing and boss
1. Inspect:
• Clutch housing
1
Cracks/wear/damage
→
Replace.
• Clutch boss
2
Scoring/wear/damage
→
Replace.
EC484201
Primary driven gear
1. Check:
• Circumferential play
Free play exists
→
Replace.
• Gear teeth
a
Wear/damage
→
Replace.
EC484400
Clutch spring
1. Measure:
• Clutch spring free length
a
Out of specification
→
Replace springs
as a set.
Clutch spring free length:
Standard
<Limit>
47.8 mm (1.88 in)
46.8 mm (1.84 in)
Summary of Contents for YZ450F(V)
Page 47: ...GEN INFO MEMO...
Page 67: ...GEN INFO MEMO...
Page 128: ...2 20 SPEC LUBRICATION DIAGRAMS 1 Intake camshaft 2 Exhaust camshaft To main axle From oil pump...
Page 193: ...INSP ADJ MEMO...
Page 593: ...ELEC MEMO...
Page 623: ...TUN MEMO...
Page 648: ......
Page 649: ......