Service Manual, General Motors 4.3L Engine (TP ... - Kohler Power

6-72 Marine/Industrial 4.3L Engine
13. To determine piston pin-to-bore clearance, use an inside
micrometer and measure the piston pin bore.
14. To determine the piston pin-to-bore clearance, subtract the
piston pin diameter from the piston pin bore diameter. Refer
to Engine Mechanical Specifications.
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15. Measure the piston with a micrometer at a right angle to the
piston pin bore, measure the piston at 11 mm (0.433 in)
from the bottom of the skirt. Refer to Engine Mechanical
Specifications.
If the piston is not within specifications, replace the piston
and pin as an assembly.
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16. Inspect the connecting rod for an out-of-round bearing bore.
Refer to Engine Mechanical Specifications.
2000 Marine/Industrial
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