7. CYLINDER/PISTON
Measure the cam follower shaft O.D.
Service Limit: 11.95mm replace if below
Check the push bar for bending and steel
balls for wear or dropping.
Measure the push bar length.
Service Limit: 141mm replace if below
PISTON INSTALLATION
Piston Ring Installation
First install the third ring side rail onto the
piston and then install the oil ring, side rail,
second ring and the top ring onto the piston.
Apply engine oil to each piston ring.
Be careful not to damage or break the
piston and piston rings.
• All rings should be installed with the
English markings facing up.
• When assembling the piston rings, do
not expand the ring end gap larger than
8 times of its thickness.
• After the rings are installed, they
should rotate freely without sticking.
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