Checking The Middle Drive Shaft Assembly; Checking The Middle Driven Shaft Assembly; Assembling The Middle Drive Shaft Assembly; Assembling The Middle Driven Shaft Assembly - Yamaha 2013 FJR1300AS Service Manual

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".
Bearing retainer wrench
90890-04140
Middle drive shaft bearing retain-
er wrench
YM-04140
d. Loosen the bearing retainer.
1
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.
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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.
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EAS25800
ASSEMBLING THE MIDDLE DRIVE SHAFT
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ASSEMBLY
1. Install:
• Spring retainers "1"
TIP
While compressing the spring with the damper
spring compressor "2", install the spring retain-
ers.
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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".
5-80
MIDDLE GEAR
Damper spring compressor
90890-04090
Middle drive gear damper spring
compressor
YM-33286
New
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Bearing retainer wrench
90890-04140
Middle drive shaft bearing retain-
er wrench
YM-04140
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