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Standard values:
- No. 1 ring 0.03 - 0.07 mm
No. 2 ring 0.02 - 0.06 mm
PISTON RING |
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1.Measure the clearance between each piston ring and its groove. If the limit is exceeded,
replace the ring or piston, or both. Standard values:
No. 2 ring 0.02 - 0.06 mm |
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2.Install the piston ring into the cylinder bore and force it down with the head of the
piston until the ring becomes right-angled to the cylinder wall. Then, measure the end gap of the
ring with a thickness gauge. If the end gap is excessive, replace the piston ring. Standard values:
No. 2 ring 0.30 - 0.45 mm Oil ring 0.20 - 0.50 mm
No. 2 ring 0.8 mm Oil ring 1.0 mm |
CRANKSHAFT PIN OIL CLEARANCE (PLASTIC GAUGE METHOD) |
| 1.Wipe off oil from the crankshaft pin and connecting rod bearing. |
| 2.Cut a piece of plastic gauge whose length is equivalent to the width of the bearing
and place it on the crankshaft pin in parallel with its axis. |
3.Install the connecting rod cap carefully and tighten the nuts according to INSTALLATION
SERVICE POINTS >>G<< . |
| 4.Remove the nuts, then remove the connecting rod cap carefully. |
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5.Measure the largest width of the crushed plastic gauge using the ruler printed on the
bag of the plastic gauge. Standard value: 0.025 - 0.040 mm Limit: 0.1 mm |