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Inspection: Piston ring side clearance in piston groove
• Remove any carbon deposits from the ring groove in the piston.
• Measure the side clearance of each ring around the piston’s en-
tire periphery.
• If any of the measurements exceeds the specified limit, replace
the defective part(s). If any of the piston rings is defective, re-
place all the rings on the piston as a set.
• The side clearance of the 1st compression ring must be mea-
sured using a feeler gauge while holding the ring against the pis-
ton ring groove with a straight edge.
Inspection: Piston pin-to-piston clearance
• If the measurement exceeds the specified limit, replace the de-
fective part(s).
Inspection: Piston pin-to-connecting rod bushing clearance
• If any of the measurements exceeds the specified limit, replace
the bushing.
PISTON AND CONNECTING ROD, CYLINDER LINER
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