Balancer Shaft/Balancer Shaft Holder Assembly Overhaul
Apply new engine oil to the threads of the balancer shaft sprocket mounting bolt (A).
Loosely install the balancer shaft/balancer shaft holder assembly (B) with new O-rings (C), then install the balancer shaft sprocket (D).
Remove the pin driver (E), then tighten the balancer shaft/balancer shaft holder assembly mounting bolts.
Tighten the chain guide mounting bolt (F).