Piston Ring: Specifications

Piston Ring
Ring groove width
No. 1 ring groove 1.22 - 1.24 (0.0480 - 0.0488in) (1.26mm (0.0496in)Limit)
No. 2 ring groove 1.22 - 1.24mm (0.0480 - 0.0488in) (1.26mm (0.0496in)Limit)
Oil ring groove 2.01 - 2.03mm (0.0791 - 0.0799in) (2.05mm (0.0807in)Limit)

Piston ring
Side clearance
No. 1 ring 0.03 - 0.07mm (0.00 12 - 0.0027in) (O.1mm (0.004in)Limit)
No. 2 ring 0.03 - 0.07mm (0.0012 - 0.0027in) (0.1 mm (0.004in)Limit)
Oil ring 0.06 - 0.15mm (0.0024 - 0.0059in) (0.2mm (0.008in)Limit)
End gap
No. 1 ring 0.17 - 0.32mm (0.0067 - 0.0126in) (0.6mm (0.0236in)Limit)
No. 2 ring 0.32 - 0.47mm (0.0126 - 0.0185in) (0.7mm (0.0275in)Limit)
Oil ring 0.20 - 0.70mm (0.0078 - 0.0275in) (0.8mm (0.0315in)Limit)