Yamaha YZ 2019 Series Owner's Service Manual page 268

CRANKSHAFT ASSEMBLY AND BALANCER SHAFT
EAM20117
CRANKSHAFT ASSEMBLY AND BALANCER SHAFT
Removing the crankshaft assembly and balancer shaft
Order Job/Parts to remove
Crankcase
Transmission
1 Balancer shaft
2 Crankshaft assembly
1
M
5-69
Q'ty Remarks
Separate.
Refer to "CRANKCASE" on page 5-64.
Refer to "TRANSMISSION" on page 5-72.
1
1
2
M