Piston Rings Replacement
Replacement1. Using a ring expander, remove the old piston rings.
2. Clean all ring grooves thoroughly.
NOTE:
- Use a squared-off broken ring or ring groove cleaner with blade to fit piston grooves.
- Top ring groove is 1.0 mm (0.039 in) wide.
- Second ring groove is 1.2 mm (0.047 in) wide.
- Oil ring groove is 2.8 mm (0.11 in) wide.
- File down the blade if necessary.
CAUTION: Do not use a wire brush to clean ring lands, or cut ring lands deeper with cleaning tool.
NOTE: If the piston is to be separated from the connecting rod, do not install new rings yet.
3. Install new rings in the proper sequence and position.
NOTE: Do not reuse old piston rings.