PISTON RING CLEARANCE INSPECTION [WL-C, WE-C]
id0110b6502300
1. Measure the piston ring-to-ring land clearance around the entire circumference. Replace the piston and piston ring if necessary.
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Standard piston ring clearance [WL-C]
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Top: 0.06—0.10 mm {0.0024—0.0039 in}
Second: 0.04—0.08 mm {0.0016—0.0031 in}
Oil: 0.02—0.06 mm {0.0012—0.0023 in}
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Standard piston ring clearance [WE-C]
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Top: 0.06—0.10 mm {0.0024—0.0039 in}
Second: 0.04—0.08 mm {0.0016—0.0031 in}
Oil: 0.02—0.06 mm {0.0008—0.0023 in}
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Maximum piston ring clearance
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0.15 mm {0.0059 in}
2. Insert the piston ring into the cylinder by hand and use the piston to push it to the bottom of the ring travel.
3. Measure each piston ring end gap with a feeler gauge. Replace the piston ring, if necessary.
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Standard piston ring end gap [WL-C]
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Top: 0.22—0.32 mm {0.0087—0.0125 in}
Second: 0.49—0.64 mm {0.0193—0.0251 in}
Oil: 0.22—0.52 mm {0.0087—0.0204 in}
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Standard piston ring end gap [WE-C]
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Top: 0.23—0.33 mm {0.0091—0.0129 in}
Second: 0.50—0.65 mm {0.0197—0.0255 in}
Oil: 0.22—0.52 mm {0.0087—0.0204 in}
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Maximum piston ring end gap
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1.0 mm {0.039 in}
