RSX L4-2.0L (2005)
Piston Ring: Specifications
Piston
Ring groove width
Top
K20A3 engine
Standard or New .............................................................................................................................. 1.220 - 1.230 mm (0.0481 - 0.0484 inch)
Service Limit ................................................................................................................................................................. 1.25 mm (0.049 inch)
K20Z1 engine
Standard or New .............................................................................................................................. 1.235 - 1.245 mm (0.0486 - 0.0490 inch)
Service Limit ............................................................................................................................................................. 1.265 mm (0.0498 inch)
Second
K20A3
Standard or New .............................................................................................................................. 1.220 - 1.230 mm (0.0481 - 0.0488 inch)
Service Limit ................................................................................................................................................................. 1.25 mm (0.049 inch)
K20Z1
Standard or New .............................................................................................................................. 1.230 - 1.240 mm (0.0484 - 0.0488 inch)
Service Limit ............................................................................................................................................................. 1.260 mm (0.0496 inch)
Oil
Standard or New .................................................................................................................................... 2.005 - 2.025 mm (0.0789 - 0.0797 inch)
Service Limit ....................................................................................................................................................................... 2.05 mm (0.081 inch)
Piston Ring
Ring-to-groove clearance
Top
K20A3 engine
Standard or New .............................................................................................................................. 0.035 - 0.060 mm (0.0014 - 0.0024 inch)
Service Limit ................................................................................................................................................................. 0.13 mm (0.005 inch)
K20Z1
Standard or New .............................................................................................................................. 0.040 - 0.065 mm (0.0016 - 0.0026 inch)
Service Limit ................................................................................................................................................................. 0.13 mm (0.005 inch)
Second
K20A3 engine
Standard or New .............................................................................................................................. 0.030 - 0.055 mm (0.0012 - 0.0022 inch)
Service Limit ................................................................................................................................................................. 0.13 mm (0.005 inch)
K20Z1 engine
Standard or New .............................................................................................................................. 0.045 - 0.070 mm (0.0018 - 0.0028 inch)
Service Limit ................................................................................................................................................................. 0.13 mm (0.005 inch)
Ring End Gap
Top
Standard or New ............................................................................................................................................ 0.20 - 0.35 mm (0.008 - 0.014 inch)
Service Limit ....................................................................................................................................................................... 0.60 mm (0.024 inch)
Second
K20A3
Standard or New ...................................................................................................................................... 0.40 - 0.55 mm (0.016 - 0.022 inch)
Service Limit ................................................................................................................................................................. 0.70 mm (0.028 inch)
K20Z1 engine
Standard or New ...................................................................................................................................... 0.50 - 0.65 mm (0.020 - 0.026 inch)
Service Limit ................................................................................................................................................................. 0.75 mm (0.030 inch)
Oil
K20A3 engine
Standard or New ...................................................................................................................................... 0.25 - 0.65 mm (0.010 - 0.026 inch)
Service Limit ................................................................................................................................................................. 0.75 mm (0.030 inch)
K20Z1 engine
Standard or New ...................................................................................................................................... 0.20 - 0.70 mm (0.008 - 0.028 inch)
Service Limit ................................................................................................................................................................. 0.80 mm (0.031 inch)
