Piston Ring - End Gap

PISTON RING END GAP

End gap:
Top ring ...............0.20 - 0.39 mm (0.0079 - 0.0154 inch)
2nd ring ...............0.35 - 0.59 mm (0.0138 - 0.0232 inch)
Oil ring .........................0.20 - 0.69 mm (0.0079 - 0.0272 inch)

Max. limit of ring gap:
Top ring ................0.53 mm (0.0209 inch)
2nd ring .................0.7 mm (0.028 inch)
Oil ring .....................0.95 mm (0.374 inch)

If out of specification, replace piston ring.
If gap exceeds maximum limit with a new ring, rebore cylinder and use oversized piston and piston rings. Refer to Engine; Specifications; Mechanical.

When replacing the piston, check cylinder block surface for scratches or seizure. If scratches or seizure are found, hone or replace the cylinder block.