Piston ring end gap
To measure end gap, insert piston ring (1) into cylinder bore and then measure the gap using thickness gauge (2).
If measured gap exceeds limit, replace piston ring.
Note. Remove carbon deposit from and clean top of cylinder bore before inserting piston ring.
Piston ring end gap
| Item | Standard | Limit |
|---|---|---|
| 1st ring | 0.20 - 0.33 mm (0.0079 - 0.0129 in.) | 0.7 mm (0.0275 in.) |
| 2nd ring | 0.32 - 0.48 mm (0.0126 - 0.0188 in.) | 0.7 mm (0.0275 in.) |
| Oil ring | 0.20 - 0.50 mm (0.0079 - 0.0196 in.) | 1.8 mm (0.0708 in.) |
PISTON RING END GAP REFERENCE CHART