Piston and Connecting Rod Clean and Inspect

NOTE:
- Do not use a wire brush or glass bead blasting.
- Use a cleaning solution that will dissolve the carbon deposits.
- Remove the carbon in the ring grooves with a ring groove cleaner.

1. Clean the piston by removing all of the varnish and the carbon deposits.
2. Inspect the piston for the following conditions:
- Cracking or wear of the ring lands
- Burrs or nicks of the ring grooves
- Cracking of the skirts or pin bosses
- Cracking of the piston dome (Use Magnaflux Spot-check dye method or the equivalents
- Scuffing or deep scratches of the piston skirt
- Scuffing of the piston bore
- Wear of the piston pin retaining ring or the grooves
3. Inspect the connecting rod for the following conditions:
- Cracks or nicks on the connecting rod (Use Magnaflux Spot-check dye method or the equivalent.)
- Scuffing or scratching of the piston pin bushing
- Nicks or scoring of the bearing bore
- Bent or twisted rods
4. The connecting rod is not serviceable for the following repairs:
- Straightening
- Bushing replacement
- Connecting rod bearing bore enlargement