Civic HX Coupe L4-1668cc 1.7L SOHC (VTEC-E) MFI (2001)
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Piston Ring: Specifications
Piston
Ring groove width
Top
Standard or New .................................................................................................................................... 1.020 - 1.030 mm (0.0402 - 0.0406 inch)
Service Limit ....................................................................................................................................................................... 1.05 mm (0.041 inch)
Second
Standard or New .................................................................................................................................... 1.220 - 1.230 mm (0.0481 - 0.0484 inch)
Service Limit ....................................................................................................................................................................... 1.25 mm (0.049 inch)
Oil
Standard or New .................................................................................................................................... 2.005 - 2.020 mm (0.0789 - 0.0795 inch)
Service Limit ....................................................................................................................................................................... 2.05 mm (0.081 inch)
Piston ring
Ring-to-groove clearance
Top
Standard or New .................................................................................................................................... 0.035 - 0.060 mm (0.0014 - 0.0024 inch)
Service Limit ....................................................................................................................................................................... 0.13 mm (0.005 inch)
Second
Standard or New .................................................................................................................................... 0.030 - 0.055 mm (0.0012 - 0.0022 inch)
Service Limit ....................................................................................................................................................................... 0.13 mm (0.005 inch)
Ring end gap
Top
Standard or New ............................................................................................................................................ 0.15 - 0.30 mm (0.006 - 0.012 inch)
Service Limit ....................................................................................................................................................................... 0.60 mm (0.024 inch)
Second
Standard or New ............................................................................................................................................ 0.30 - 0.45 mm (0.012 - 0.018 inch)
Service Limit ....................................................................................................................................................................... 0.60 mm (0.024 inch)
Oil
Standard or New ............................................................................................................................................ 0.20 - 0.70 mm (0.008 - 0.028 inch)
Service Limit ....................................................................................................................................................................... 0.80 mm (0.031 inch)
