Toyota Workshop Service and Repair Manuals

Piston Ring: Specifications

Standard Ring Groove Clearance
No.1 ...........................................................................................................................................................................................................  0.040 - 0.080 mm
No.2 ...........................................................................................................................................................................................................  0.030 - 0.070 mm

Standard End Gap
No.1 ...........................................................................................................................................................................................................  0.300 - 0.500 mm
No.2 ...........................................................................................................................................................................................................  0.400 - 0.600 mm
Oil (side rail) ..............................................................................................................................................................................................  0.150 - 0.550 mm

Maximum End Gap
No.1 ..........................................................................................................................................................................................................................  1.10 mm
No.2 ..........................................................................................................................................................................................................................  1.20 mm
Oil (side rail) ............................................................................................................................................................................................................  1.15 mm