Piston and Connecting Rod Inspection

PISTON AND CONNECTING ROD INSPECTION
1. Check the oscillation torque as shown in the figure. Verify that the large end drops under its own weight with no resistance.
^ If the piston shakes heavily or unsmoothly, disassemble the piston and connecting rod, replace the piston and snap ring, piston pin, then inspect the inner diameter of the connecting rod at the small end.