HER CHEE ATV-320 S Service Manual page 38

Chapter 1 Engine, Transmission & Gear
CRANKSHAFT INSPECTION
Measure the connecting rod big end side
clearance with a feeler gauge.
Service Limit: 0.05 mm (0.002 in)
Set the crankshaft on a stand or in V blocks and
using a dial indicator to read run out at the points
shown.
Service Limit: 0.10 mm (0.004 in)
Turn the outer race of each bearing with your
finger. The bearings should turn smoothly and
quietly. Also check that the bearing inner race fits
tightly in the crankshaft.
Replace the crankshaft assembly if the races do
not turn smoothly, quietly or if they fit loosely in
the crankshaft.
CRANKSHAFT ASSEMBLY
Remove all gasket materials from crankcase
being careful not to damage the mating surfaces.
Apply grease to the lip of a new oil seal and
install it into the left crankcase.
Wash the oil pipe in clean solvent and install new
oil seals on both ends of the pipe.
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