Removing The Crankshaft Assembly; Removing The Connecting Rods; Checking The Crankshaft And Connecting Rods - Yamaha FZS600'98 Service Manual

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CRANKSHAFT
EB412110

REMOVING THE CRANKSHAFT ASSEMBLY

1. Remove:
S crankshaft assembly 1
S crankshaft journal upper bearing 2
1
(from the upper crankcase)
S timing chain guide (intake side)
NOTE:
Identify the position of each crankshaft jour-
nal upper bearing so that it can be reinstalled
in its original place.
EB412121

REMOVING THE CONNECTING RODS

1. Remove:
S connecting rods 1
S big end bearings 2
NOTE:
Identify the position of each big end bearing
so that it can be reinstalled in its original
place.
EB412401
CHECKING THE CRANKSHAFT AND
CONNECTING RODS
1. Measure:
S crankshaft runout
Out of specification ! Replace the crank-
shaft.
Crankshaft runout
Less than 0.03 mm
2. Check:
S crankshaft journal surfaces
S crankshaft pin surfaces
S bearing surfaces
Scratches/wear ! Replace the crank-
shaft.
3. Measure:
S crankshaft-journal-to-crankshaft-journal-
bearing clearance
Out of specification ! Replace the crank-
shaft journal bearings.
4-61
ENG