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Crankshaft/connecting Rod; Crankshaft Removal; Crankshaft Installation; Connecting Rod Removal - Kawasaki ZR-7S Service Manual

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7-12 CRANKSHAFTITRANSMISSION
Crankshaft/Connecting
Rod
Crankshaft Removal
. Splitthe crankcase (see Crankcase Splitting).
. Remove the crankshaft, and remove the oil seals [C],
camshaft chain [D],and primarychain [E].
Crankshaft Installation
CAUTION
If the crankshaft,
bearing inserts, or crankcase
halves are replaced with new ones, select the bear-
ing inserts and check clearance with a plastigage
(Press Gauge) before assembling engine to be sure
the correct bearing inserts are installed.
.
Place the primary chain and the camshaft chain on the
crankshaft.
.
Replace the crankshaft oil seal with a new one.
.
Apply high-temperature grease on the seal lip.
NOTE
o Install the oilseal so that the arrow fA] of the outer sur-
face coincides with the positive rotation direction fB] of
the crankshaft.
.
Applysilicon sealant to the left and right sides.
.
Apply a molybdenum disulfide oil to the crankcase main
bearing inserts and crankshaft main journals.
.
Assemble the crankcase (see Crankcase Assembly).
Connecting Rod Removal
. Split the crankcase (see Crankcase Splitting).
. Remove the connecting rod nuts [A].
.
Remove the big end cap [B],and remove the connecting
rod.
NOTE
OMark and record the locations of the connecting rods
and their caps so that they can be reassembled in their
originalpositions.
Connecting Rod Installation
CAUTION
To minimize vibration, a pair of connecting rods (left
two rods or right two) should have the same weight
mark (a capital letter of the alphabet).
Big End Cap [A]
Connecting Rod [B]
Weight Mark, Alphabet [C]
Diameter Mark (AroundWeight Mark) [D]"0" or no mark
GI05060151
C

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