Toyota Workshop Service and Repair Manuals

Piston Ring: Specifications

Ring w/head pin

Protrusion height .....................................................................................................................................................................................  3 mm (0.12 inch)

Piston ring

ring groove clearance ........................................................................................................................................  0.030 - 0.070 mm (0.0012 - 0.0028 inch)
End gap

Standard

No.1 ...........................................................................................................................................................  0.22 - 0.32 mm (0.0087 - 0.0126 inch)
No.2 ...........................................................................................................................................................  0.50 - 0.60 mm (0.0197 - 0.0236 inch)

Oil (side rail) ...................................................................................................................................................  0.10 - 0.35 mm (0.0039 - 0.0138 inch)
Maximum

No.1 ...................................................................................................................................................................................  0.89 mm (0.0350 inch)
No.2 ...................................................................................................................................................................................  1.35 mm (0.0531 inch)

Oil (side rail) ............................................................................................................................................................................  0.73 mm (0.0287 inch)