Removing The Clutch; Checking The Clutch; Checking The Clutch Shoe - Yamaha Grizzly550 User Manual

EAS25070

REMOVING THE CLUTCH

1. Remove:
• Clutch housing assembly
• Gasket
• Dowel pins
TIP
Working in crisscross pattern, loosen each bolt
1/4 of a turn. Remove them after all of them are
loosened.
2. Straighten:
• Punched portion "a" of the nut "1"
3. Remove:
• Nut "1"
ECA28P1032
NOTICE
The clutch carrier assembly nut has left-
handed threads. To loosen the clutch carrier
assembly nut, turn it clockwise.
TIP
Use a clutch holding tool "2" to hold the clutch
carrier assembly.
Universal clutch holder
90890-04086
YM-91042
1
a
EAS28P1048

CHECKING THE CLUTCH

1. Check:
• Clutch housing
Damage/wear → Replace.
2
5-58
• One-way clutch bearing
Chafing/wear/damage → Replace.
TIP
• Replace the one-way clutch assembly and
clutch housing as a set.
• The one-way clutch bearing must be installed
with the flange side facing in.
2. Check:
• One-way clutch operation
M MMM M MMM M M MMM M M MMM M
a. Install the one-way clutch bearing and clutch
carrier assembly to the clutch housing and
hold the clutch carrier assembly.
b. When turning the clutch housing clockwise
"A", it should turn freely; otherwise, the one-
way clutch assembly is faulty and must be re-
placed.
c. When turning the clutch housing counter-
clockwise "B", the clutch housing and crank-
shaft should engage; otherwise, the one-way
clutch assembly is faulty and must be re-
placed.
L LLL L LLL L L LLL L L LLL L
EAS28990

CHECKING THE CLUTCH SHOE

1. Check:
• Clutch shoe
Damage/wear → Replace.
Glazed areas → Sand with coarse sandpa-
per.
TIP
After sanding the glazed areas, clean the clutch
with a cloth.
2. Measure:
• Clutch shoe thickness
Out of specification → Replace.
Clutch shoe thickness
1.5 mm (0.06 in)
Limit
1.0 mm (0.04 in)
CLUTCH
M MMM M M MMM M MMM
L LLL L L LLL L LLL
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