Removing The Crankshaft; Removing The Connecting Rods; Checking The Crankshaft And Connecting Rods - Yamaha XV16AL Service Manual

5
CRANKSHAFT AND CONNECTING RODS

REMOVING THE CRANKSHAFT

1. Remove:
• crankshaft journal bearing 1
NOTE:
Remove the crankshaft journal bearing with
the bearing remover and installer 2 and
bearing driver 3.
Bearing remover and installer
YM-28898
Bearing driver
YM-04058
EAS00391

REMOVING THE CONNECTING RODS

1. Remove:
• connecting rod caps 1
• connecting rods
• big end bearings
NOTE:
Identify the position of each big end bear-
ing so that it can be reinstalled in its origi-
nal place.
EAS00398
CHECKING THE CRANKSHAFT AND
CONNECTING RODS
1. Measure:
• crankshaft runout
Out of specification → Replace the crank-
shaft.
Maximum crankshaft runout
0.04 mm (0.0016 in)
2. Check:
• crankshaft journal surfaces
• crankshaft pin surfaces
• bearing surfaces
Scratches/wear → Replace the crankshaft
and bearings.
• generator shaft drive gear 1
Damage/wear → Replace the crankshaft.
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