Piston Ring, Engine

Width
Top 1.17 - 1.185 mm (0 0460 - 0.0466 in.)
2nd 1.197 - 1.199 mm (0.0471 - 0.0472 in.)
Oil 2.38 - 2.45 mm (0.093 - 0.096 in.)
Ring gap (in bore)
Top 0.16 - 0.31 mm (0.006 - 0.012 in.)
2nd 0.33 - 0.48 mm (0.012 - 0.018 in.)
Oil 0.2 - 0.7 mm (0.007 - 0.027 in.)
Ring groove width
Top 1.203 - 1.205 mm (0.0473 - 0.0474 in.)
2nd 1.17 - 1.19 mm (0.0.460 - 0.0468 in.)
Oil 2.501 - 2.503 mm (0.0984 - 0.0985 in.)