3
9929375 R02 - 2016-2019 GENERAL / GENERAL 4 Service Manual
© Copyright Polaris Industries Inc.
3.51
5. Measure each bearing journal in two locations, 90
degrees apart. Replace balance shaft if either journal
is worn below the service limit specification. If worn
past the service limit, replace the balance shaft
assembly.
MEASUREMENT
Balance Shaft Diameter (MAG & PTO):
1.4939 - 1.4946" (37.946 - 37.962 mm)
Service Limit:
1.4921" (37.900 mm)
CRANKSHAFT REMOVAL / INSPECTION
1. Perform Crankcase Disassembly / Inspectionpage
3.48 procedure.
2. Perform Balance Shaft Removal / Inspectionpage
3.50 procedure.
3. For ease of assembly, mark each connecting rod and
end cap.
4. Loosen, remove and discard the four connecting rod
bolts
q
. Remove the end caps from the crankshaft.
5. Carefully lift the crankshaft
w
out of the crankcase.
6. Remove the cam chain
e
, oil pump drive chain
t
and PTO main seal
r
from the crankshaft.
7. Inspect the crankshaft gear
u
and auxiliary sprocket
y
for broken or worn teeth.
8. If the crankshaft gear or sprocket is damaged, the
crankshaft assembly must be replaced.
ENGINE / COOLING SYSTEM
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