Removing The Crankshaft Assembly; Removing The Connecting Rods; Checking The Crankshaft And Connecting Rods - Yamaha XJR1300 2007 Service Manual

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EAS25980

REMOVING THE CRANKSHAFT ASSEMBLY

1. Remove:
Crankshaft assembly "1"
G
Crankshaft journal upper bearings
G
(from the upper crankcase)
NOTE:
Identify the position of each crankshaft journal
lower bearing so that it can be reinstalled in its
original place.
EAS26010

REMOVING THE CONNECTING RODS

The following removal procedure applies to both
connecting rods.
1. Remove:
Connecting rod "1"
G
Big end bearings
G
NOTE:
Identify the position of each big end bearing so
that it can be reinstalled in its original place.
EAS26070
CHECKING THE CRANKSHAFT AND
CONNECTING RODS
1. Measure:
Crankshaft runout
G
Out of specification → Replace the crank-
shaft.
Crankshaft runout
0.020 mm (0.0008 in)
2. Check:
1
3. Measure:
ECA13920
CAUTION:
Do not interchange the crankshaft journal
bearings. To obtain the correct crank-
shaft-journal-to-crankshaft-journal-bearing
1
clearance and prevent engine damage, the
crankshaft journal bearings must be in-
stalled in their original positions.
MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
a. Clean the crankshaft journal bearings, crank-
b. Place the upper crankcase upside down on a
c. Install the crankshaft journal upper bearings
NOTE:
Align the projections "a" on the crankshaft jour-
nal upper bearings with the notches "b" in the
upper crankcase.
5-70
CRANKSHAFT ASSEMBLY
Crankshaft journal surfaces
G
Crankshaft pin surfaces
G
Bearing surfaces
G
Scratches/wear → Replace the crankshaft.
Crankshaft journal-to-crankshaft journal
G
bearing clearance
Out of specification → Replace the crank-
shaft journal bearings.
Journal oil clearance (using plas-
tigauge®)
0.020–0.044 mm (0.0008–0.0017
in)
Wear limit
0.09 mm (0.0035 in)
shaft journals, and bearing portions of the
crankcase.
bench.
"1" and the crankshaft into the upper crank-
case.

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