Assenbling The Balancer Weight Gear; Installing The Oil Pump; Installing The Balancer Weight Gear - Yamaha 2009 YFM25RY Service Manual

• Compression spring
• Dowel pin
Cracks/damage/wear → Replace.
EAS4D3F018
ASSENBLING THE BALANCER WEIGHT
GEAR
1. Assemble:
• Dowel pin "1"
• Compression spring "2"
TIP
Install the dowel pins and compression springs
alternately as shown as.
2. Assemble:
• Buffer boss
EAS25020

INSTALLING THE OIL PUMP

1. Install:
• Gasket
New
• Oil pump
Oil pump bolt
6 Nm (0.6 m·kg, 4.4 ft·lb)
ECA13890
After tightening the bolts, make sure the oil
pump turns smoothly.
EAS4D3F020
INSTALLING THE BALANCER WEIGHT
GEAR
1. Install:
• Balancer weight gear
• Lock washer New
• Balancer weight gear nut
Balancer weight gear nut
55 Nm (5.5 m·kg, 41 ft·lb)
TIP
• Align the punch mark "a" in the balancer
drive gear with the punch mark "b" in the bal-
ancer weight gear
• Place the aluminium plate "c" between bal-
ancer drive gear "1" and balancer weight
gear "2", and then tighten the balancer
weight gear nut "3".
2. Bend the lock washer tab along a flat side
of the nut.
5-41
OIL PUMP