Yamaha R15 2022 Service Manual page 293

2. Tighten:
• Balancer driven gear nut "1"
• Primary drive gear nut "2"
Balancer driven gear nut
35 N·m (3.5 kgf·m, 26 lb·ft)
Primary drive gear nut
60 N·m (6.0 kgf·m, 44 lb·ft)
TIP
• Place the aluminum plate "a" between the bal-
ancer drive gear "3" and the balancer driven
gear "4", and then tighten the balancer driven
gear nut.
• Place the aluminum plate "b" between the bal-
ancer drive gear "3" and the balancer driven
gear "4", and then tighten the primary drive
gear nut.
3
3
2 1
3. Bend the lock washer tab along a flat side of
the nut.
3
c
1
a
b
BALANCER GEAR
4
4
5-56
ENG