Removing The Balancer Driven Gear And Oil Pump Driven Gear; Checking The Oil Pump Drive; Checking The Balancer Drive; Installing The Balancer Drive Gear, Balancer Driven Gear, And Oil Pump Driven Gear - Yamaha Grizzly550 User Manual

EAS28P1041
REMOVING THE BALANCER DRIVEN GEAR
AND OIL PUMP DRIVEN GEAR
1. Straighten the lock washer tabs.
2. Loosen:
• Balancer driven gear nut "1"
• Oil pump driven gear nut "2"
TIP
Place an aluminum plate "3" between the teeth
of the balancer drive gear "4" and balancer driv-
en gear "5", then loosen the nuts.
3
4
EAS28P1042

CHECKING THE OIL PUMP DRIVE

1. Check:
• Oil pump drive gear
• Oil pump driven gear
Cracks/wear/damage → Replace.
EAS28P1043

CHECKING THE BALANCER DRIVE

1. Check:
• Balancer drive gear
• Balancer driven gear
Damage/wear → Replace the balancer drive
gear and balancer driven gear as a set.
Excessive noise during operation → Replace
the balancer drive gear and balancer driven
gear as a set.
EAS28P1044
INSTALLING THE BALANCER DRIVE GEAR,
BALANCER DRIVEN GEAR, AND OIL PUMP
DRIVEN GEAR
1. Install:
• Pin
• Spring
• Balancer drive gear
(onto the buffer boss)
TIP
Align the punch mark "a" on the balancer drive
gear with the hole "b" to the buffer boss.
BALANCER GEARS AND OIL PUMP GEARS
2. Install:
• Balancer drive gear "1"
• Balancer driven gear "2"
5
• Oil pump driven gear "3"
1
TIP
• Align the punch mark "a" on the balancer drive
gear with the punch mark "b" on the balancer
driven gear.
• Install the oil pump driven gear with the "3B4"
mark "c" facing out.
2
3. Install:
• Lock washers
• Oil pump driven gear nut "1"
• Balancer driven gear nut "2"
TIP
• Place an aluminum plate "3" between the teeth
of the balancer drive gear "4" and balancer
driven gear "5", then tighten the nuts.
• Apply the engine oil to the thread of axles and
nuts.
5-45
a
b
1
New
Oil pump driven gear nut
22 Nm (2.2 m·kg, 16 ft·lb)
Balancer driven gear nut
80 Nm (8.0 m·kg, 58 ft·lb)
2
c
3