Lexus Workshop Service and Repair Manuals

Piston Ring: Specifications

Ring Groove Clearance
No.1 ..........................................................................................................................................................................................................  0.020 - 0.070 mm 
No.2 ...........................................................................................................................................................................................................  0.020 - 0.060 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