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3.38
ENGINE
6. Measure the distance from the Magneto crankcase mating
surface to the main bearing using the same method and
record.
7. Subtract the thickness of the straightedge from the
measurement obtained in Step 4 and record.
Mag Case Depth_______________
8. Add the readings recorded in Step 3 and Step 5 and record
below.
Total Case Width_________________
9. Measure the width of the crankshaft at the bearing seats
with a micrometer or dial caliper and record.
Crankshaft Width____________
10. Subtract the Crankshaft Width measured in Step 7 from the
Total Case Width recorded in Step 6, and record below.
Total End Play_____________
11. Subtract the thickness of the existing shim from the result
of Step 8 to determine if a different shim is required. The
result must be within the specified range listed.
Counter Balancer Shaft End Play
Adjustment.
12. Make sure all bearings are firmly seated in the crankcase.
13. Measure the width of the counter balancer shaft at the
bearing seats with a dial caliper or micrometer, and record
reading.
Crankshaft End Play: .008-.016” (.02-.04 cm)