Yamaha FZS600'98, Service Manual

Page: 174 / 364

4-62
CRANKSHAFT
ENG
2
b
a
b
a
CAUTION:
NOTE:
NOTE:
NOTE:
Crankshaft-journal-to-crank-
shaft-journal-bearing clearance
0.025 0.043 mm
Limit 0.08 mm
Do not interchange the crankshaft jour-
nal bearings. To obtain the correct crank-
shaft journal-to-crankshaft-journal-bear-
ing clearance and prevent engine
damage, the crankshaft journal bearings
must be installed in their original posi-
tion.
a. Clean the crankshaft journal bearings,
crankshaft journals, and bearing portions
of the crankcase.
b. Place the upper crankcase upside down
on a bench.
c. Install the crankshaft journal upper bear-
ings 1 and the crankshaft into the upper
crankcase.
Align the projections
a
of the crankshaft
journal upper bearings with the notches b in
the crankcase.
d. Put a piece of Plastigauge

2 on each
crankshaft journal.
Do not put the Plastigauge

over the oil hole
in the crankshaft journal.
e. Install the crankshaft journal lower bear-
ings into the lower crankcase and as-
semble the crankcase halves.
Align the projections
a
of the crankshaft
journal lower bearings with the notches b
in the crankcase.
Do not move the crankshaft until the clear-
ance measurement has been completed.