Knock Sensor: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| With 180HP | ||||
| One | 1.0 | 0.7 | B | |
| Both | 1.4 | 0.9 | B | |
| With 225HP | ||||
| Right | 1.0 | 0.7 | B | |
| Left | 2.1 | 1.6 | B | |
| Both | 2.7 | 1.9 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| With 180HP | ||||
| One | 1.0 | 0.7 | B | |
| Both | 1.4 | 0.9 | B | |
| With 225HP | ||||
| Right | 1.0 | 0.7 | B | |
| Left | 2.1 | 1.6 | B | |
| Both | 2.7 | 1.9 | B |