Piston Ring: Specifications

PISTON RING
No. 1
Ring groove clearance: 0.030 to 0.080 mm (0.0012 to 0.0031 in.)
No. 2
Ring groove clearance: 0.020 to 0.060 mm (0.0008 to 0.0024 in.)

No. 1
Standard end gap: 0.300 to 0.400 mm (0.0118 to 0.0157 in.)
No. 2
Standard end gap: 0.400 to 0.500 mm (0.0157 to 0.0197 in.)
Oil (side rail)
Standard end gap: 0.150 to 0.400 mm (0.0059 to 0.0157 in.)

No. 1
Maximum end gap: 1.10 mm (0.0433 in.)
No. 2
Maximum end gap: 1.20 mm (0.0472 in.)
Oil (side rail)
Maximum end gap: 1.10 mm (0.0433 in.)