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Crankshaft Alignment; Crankshaft Main Bearing Wear Inspection - Kawasaki KLX110 Service Manual

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Crankshaft, Connecting Rod

Crankshaft Alignment

If the runout at either point exceeds the service limit, align
the flywheels so that the runout falls within the service
In the case of horizontal misalignment, which is the most
common, strike the projecting rim of the flywheel with a
plastic, soft lead, or brass hammer as indicated in the
Recheck the runout with a dial gauge, repeating the
process until the runout falls within the service limit.
Vertical misalignment is corrected either by driving a
wedge in between the flywheels, or by squeezing the
flywheel rims in a vise, depending on the nature of the
In the case of both horizontal and vertical misalignment,
correct the horizontal misalignment first.
Recheck big end side clearance after aligning crankshaft
(see Connecting Rod Big End Side Clearance Inspec-
If crankshaft alignment cannot be corrected by the
above method, replace the crankpin or crank halves as
required. Recheck the runout and repeat the process
until the runout is within service limit.
Don't hammer the flywheel at the point [A].

Crankshaft Main Bearing Wear Inspection

Wash the bearings in high flash-point solvent, blow them
dry (DO NOT SPIN THEM), and lubricate them with en-
gine oil.
Turn [A] each bearing over by hand and see that it makes
no noise, turns smoothly and has no rough spots.
If any of the bearings are defective, replace them.


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