Checking The Middle Driven Pinion Gear Assembly; Checking The Middle Drive Pinion Gear Assembly; Assembling The Middle Drive Pinion Gear Assembly; Installing The Middle Drive Pinion Gear Assembly - Yamaha Vmax VMX17C 2009 Service Manual

Middle drive shaft nut wrench (55
mm)
90890-04054
Offset wrench 55 mm
YM-04054
TIP
Wrap the middle drive pinion gear in a folded
rag, and then secure it in a vise.
1
c. Loosen the middle drive pinion gear nut.
L LLL L LLL L L LLL L L LLL L
EAS2S31052
CHECKING THE MIDDLE DRIVEN PINION
GEAR ASSEMBLY
1. Check:
• Middle driven pinion gear
Galling/pitting/wear → Replace.
2. Check:
• Bearings
Damage/pitting → Replace.
3. Check:
• Universal joint movement
Rough movement → Replace the universal
joint.
EAS2S31051
CHECKING THE MIDDLE DRIVE PINION
GEAR ASSEMBLY
1. Check:
• Middle drive pinion gear
Galling/pitting/wear → Replace.
2. Check:
• Torque damper cam surface
Scratches/wear → Replace.
3. Check:
• Spring
Cracks/damage → Replace.
4. Check:
• Bearing
Damage/pitting → Replace.
L LLL L L LLL L LLL
5-110
EAS2S31053
ASSEMBLING THE MIDDLE DRIVE PINION
GEAR ASSEMBLY
1. Install:
• Middle drive pinion gear nut
M MMM M MMM M M MMM M M MMM M
a. Attach the middle drive shaft nut wrench (55
mm) "1".
Middle drive shaft nut wrench (55
mm)
90890-04054
Offset wrench 55 mm
YM-04054
TIP
Wrap the middle drive pinion gear in a folded
rag, and then secure it in a vise.
1
b. Tighten the middle drive pinion gear nut to
specification.
Middle drive pinion gear nut
110 Nm (11.0 m·kgf, 80 ft·lbf)
c. Lock the threads with a drift punch.
L LLL L LLL L L LLL L L LLL L
EAS2S31054
INSTALLING THE MIDDLE DRIVE PINION
GEAR ASSEMBLY
1. Install:
• Washer
• Spring retainers "1"
MIDDLE GEAR
New
M MMM M M MMM M MMM
L LLL L L LLL L LLL