Piston Ring: Service and Repair

Figure 2 Piston Ring Gap Checking - Typical:

1. Wipe cylinder bore clean. Insert ring and push down with piston to ensure it is square in bore. The ring gap measurement must be made with the ring positioning at least 12 mm (0.50 inch) from bottom of cylinder bore. Check gap with feeler gauge.

Figure 3 Piston Ring Side Clearance Measuring:

2. Check piston ring side clearance. Refer to Piston Ring Specification Chart.