Installing The Balancer Shaft Assembly - Yamaha YZF-R25 Service Manual

EAS31078
INSTALLING THE BALANCER SHAFT
ASSEMBLY
1. Install:
• Balancer shaft journal upper bearings
(into the upper crankcase)
• Balancer shaft journal lower bearings
(into the lower crankcase)
TIP
• Align the projections "a" on the balancer shaft
journal bearings "1" with the notches "b" in the
crankcase.
• Be sure to install each balancer shaft journal
bearing in its original place.
A
b
B
1
a
A. Upper crankcase
B. Lower crankcase
CRANKSHAFT AND BALANCER SHAFT
a
1
b
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