Yamaha RS90GTZ Service Manual page 311

CRANKSHAFT AND BALANCER SHAFT
8. Install:
• Primary sheave drive shaft assembly
(to the crankshaft
TIP
Align the shallow groove
drive shaft assembly with the low spline
the crankshaft.
9. Install:
• Crankshaft
(with primary sheave drive shaft assembly)
TIP
• Align the punch mark
gear on the crankshaft with the punch
mark of the balancer driven gear
• Align the hole
projection on the upper crankcase.
5-86
ENG
)
in the primary
of the balancer drive
.
in the bearing with the
of