Yamaha XVS650 - Crankshaft Removal; Crankshaft Inspection

CRANKSHAFT AND CONNECTING RODS ENG
CRANKSHAFT REMOVAL
1.Remove:
•
Main journal bearings G)
NOTE: _
Remove the main journal bearings by the
plane bearing installer/remover ® middle
driven shaft bearing driver @.
Plane bearing installer/remover:
VM~28898, 90890-04074
Middle driven shaft bearing driver:
VM-04058, 90890-04058
2.Remove:
• Connecting rod caps
G)
• Connecting rod ®
• Plain bearings
NOTE: _
Identify the position of each bearing very
carefully so that it can be reinstalled in its
original place.
CRANKSHAFT INSPECTION
1.Thoroughly wash the crankcase halves in
mild solvent.
2.ThoroughJy clean all
the gasket mating
surfaces and crankcase mating surfaces.
3.lnspect:
• Crankcase
Cracks/damage
~ Replace.
• Oil
delivery passages
Blockage
~ Blowout the passages with
compressed air.
4.Measure:
•
Runout (crankshaft)
Out
of specification ~ Replace.
Runout limit:
0.02 mm (0.0008 in)
4 - 57