Piston Ring Side Clearance

Piston ring vertical clearance
Groove 1 0.040 - 0.075 mm (0.0016 - 0.0029 in)
Groove 2 0.030 - 0.065 mm (0.0012 - 0.0025 in)
Groove 3 0.020 - 0.055 mm (0.0008 - 0.0022 in)