Counter Balancer Shaft End Play Adjustment - Polaris Sportsman 400 Service Manual

ENGINE

COUNTER BALANCER SHAFT END PLAY ADJUSTMENT

1. Make sure all bearings are firmly seated in the
crankcase.
2. Measure the width of the counter balancer shaft at
the bearing seats with a dial caliper or micrometer,
and record reading.
3. Measure the distance from the Mag crankcase
mating surface to the balance shaft bearing using
a dial caliper and a straight edge. Subtract the
thickness of the straightedge and record.
4. Measure the distance from the PTO crankcase
mating surface to the bearing using the same
method outlined in Step 1, 2, and-3.
5. Add the readings obtained in Step 3 and Step 4.
6. Subtract the counter balancer shaft width
measured in step 2 from the figure obtained in step
5.
7. Subtract the thickness of the existing shim from
the result of step 6 to determine if a different shim
is needed. The result must be within the specified
range listed at right.
3.58
- projex@inbox.lv -
Step 2
Step 3 / 4
Counter Balancer Shaft End Play:
.008"-.016" (.02-.04 cm)