Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Water Cooled, In-Line | 3.2 | 2.2 | B | Includes: R&R Valve Cover & Adjust Valves. Cylinder Head On Engine |
| Water Cooled, Opposed | ||||
| One Cylinder | 1.3 | 0.8 | B | Engine In Vehicle. Includes: Make Necessary Adjustments. |
| Each Additional | 0.2 | 0.0 | B | Engine In Vehicle. Includes: Make Necessary Adjustments. |