NSX V6-3.2L DOHC (VTEC) (1997)
Piston Ring: Service and Repair
Pistion Ring Alignment
1. Install the rings as shown.
NOTE:
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The top ring has an R1 or R mark.
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The second ring has an R2 or RN mark.
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Top Ring (Standard):
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A: 3.6 mm (0.14 inch)
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B: 1.2 mm (0.05 inch)
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Second Ring (Standard):
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A: 3.75 mm (0.148 inch)
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B: 1.2 mm (0.05 inch)
NOTE: The manufacturing marks must be facing upward.
2. Rotate the rings in their grooves to make sure they do not bind.