Toyota Workshop Service and Repair Manuals

Piston Ring: Specifications

Ring Groove Clearance
No.1 ...............................................................................................................................................................................................................  0.02 - 0.07 mm
No.2 ...............................................................................................................................................................................................................  0.02 - 0.06 mm
Oil ..................................................................................................................................................................................................................  0.04 - 0.12 mm

Standard End Gap
No.1 ...............................................................................................................................................................................................................  0.25 - 0.35 mm
No.2 ...............................................................................................................................................................................................................  0.35 - 0.45 mm
Oil (side rail) ..................................................................................................................................................................................................  0.15 - 0.40 mm

Maximum End Gap
No.1 ..........................................................................................................................................................................................................................  0.95 mm
No.2 ..........................................................................................................................................................................................................................  1.05 mm
Oil (side rail) ............................................................................................................................................................................................................  1.00 mm