Caution: Wear safety glasses in order to avoid eye damage.
| • | Damaged ring gear teeth |
| • | Loose or improperly positioned ring gear |
| • | The ring gear has an interference fit onto the flywheel and should be positioned completely against the flange of the flywheel. |
| • | A scored, grooved or damaged friction surface |
| • | Damaged ring gear teeth |
| • | Stress cracks around the flywheel-to-crankshaft bolt hole locations |
| • | Weight saving holes |