Yamaha FX Nytro 2008 Manuel D'atelier page 526

CRANKSHAFT AND BALANCER SHAFT
b
5-72
Measurement steps:
CAUTION:
Do not interchange the crankshaft journal bear-
ings. To obtain the correct crankshaft-journal-
to-crankshaft-journal-bearing
prevent engine damage, the crankshaft journal
bearings must be installed in their original posi-
tions.
• Clean the crankshaft journal bearings, crank-
shaft journals, and bearing portions of the
crankcase.
• Place the upper crankcase upside down on a
bench.
• Install the crankshaft journal upper bearings 1
and the crankshaft into the upper crankcase.
NOTE:
Align the projections a of the crankshaft journal
upper bearings with the notches b in the crank-
case.
• Put a piece of Plastigauge
shaft journal.
NOTE:
Do not put the Plastigauge
crankshaft journal.
• Install the crankshaft journal lower bearings 2
into the lower crankcase and assemble the
crankcase halves.
NOTE:
• Align the projections c of the crankshaft journal
lower bearings with the notches d in the crank-
case.
• Do not move the crankshaft until the clearance
measurement has been completed.
ENG
clearance and
®
b on each crank-
®
over the oil hole in the