MIDDLE GEAR
5-68
c. Remove the middle driven pinion gear nut.
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2. Remove:
• Bearing retainer
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a. Temporarily install the middle driven shaft
bearing housing onto the lower crankcase.
b. Straighten the thread on the bearing retainer.
c. Attach the bearing retainer wrench “1”.
d. Loosen the bearing retainer.
e. Remove the bearing retainer.
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EAS25780
CHECKING THE MIDDLE DRIVE SHAFT
ASSEMBLY
1. Check:
• Middle drive pinion gear
Galling/pitting/wear → Replace.
2. Check:
• Damper drive cam surface
• Damper driven cam surface
Scratches/wear → Replace.
3. Check:
• Damper spring
Cracks/damage → Replace.
4. Check:
• Bearings
Damage/pitting → Replace.
EAS25790
CHECKING THE MIDDLE DRIVEN SHAFT
ASSEMBLY
1. Check:
• Middle driven pinion gear
Galling/pitting/wear → Replace.
2. Check:
• Bearings
Damage/pitting → Replace.
EAS25800
ASSEMBLING THE MIDDLE DRIVE SHAFT
ASSEMBLY
1. Install:
• Spring retainers “1”
NOTE:
While compressing the spring with the damper
spring compressor “2”, install the spring retain-
ers.
EAS25820
ASSEMBLING THE MIDDLE DRIVEN SHAFT
ASSEMBLY
1. Tighten:
• Bearing retainer
▼▼▼▼▼▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼▼▼
a. Temporarily install the middle driven shaft
bearing housing onto the lower crankcase.
b. Attach the bearing retainer wrench “1”.
c. Tighten the bearing retainer to specification.
Bearing retainer wrench
90890-04140
Middle drive shaft bearing retain-
er wrench
YM-04140
1
Damper spring compressor
90890-04090
Bearing retainer wrench
90890-04140
Middle drive shaft bearing retain-
er wrench
YM-04140
New
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