Removing The Crankshaft; Checking The Crankshaft - Yamaha FJR1300R Service Manual

CRANKSHAFT
EAS00387

REMOVING THE CRANKSHAFT

1. Remove:
• crankshaft 1
• crankshaft journal lower bearings
(from the lower crankcase)
• crankshaft journal upper bearings
(from the upper crankcase)
NOTE:
@
Identify the position of each crankshaft journal
bearing so that it can be reinstalled in its origi-
nal place.
EAS00396

CHECKING THE CRANKSHAFT

1. Measure:
• crankshaft runout
Out of specification → Replace the crank-
shaft.
Maximum crankshaft runout
0.03 mm (0.0012 in)
2. Check:
• crankshaft journal surfaces
• crankshaft pin surfaces
• bearing surfaces
Scratches/wear → Replace the crankshaft.
3. Measure:
• crankshaft-journal-to-crankshaft-journal-
bearing clearance
Out of specification → Replace the crank-
shaft journal bearings.
Crankshaft-journal-to-crankshaft-
journal-bearing clearance
0.027 ~ 0.045 mm
(0.0011 ~ 0.0018 in)
5 - 104
ENG