| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes |
| Replace |
| Complete Assembly Without Transfer of Parts |
| Water Cooled, Opposed |
| Without AC | 4.1 | 2.9 | B | Does Not Include: Transfer Of Any Part Of Engine Or Replacement Of Optional Equipment. |
| With AC | 5.2 | 3.7 | B | Does Not Include: Transfer Of Any Part Of Engine Or Replacement Of Optional Equipment. |
| Complete Assembly With Transfer of Parts |
| Water Cooled, Opposed |
| Without AC | 9.7 | 6.9 | B | Includes: Transfer All Fuel & Electrical Components. Does Not Include. Transfer Of Optional Equipment. |
| With AC | 10.8 | 7.7 | B | Includes: Transfer All Fuel & Electrical Components. Does Not Include. Transfer Of Optional Equipment. |
| Long Block |
| Without AC | 9.1 | 0.0 | B | Includes: R&I Engine And Transfer All Necessary Components Not Supplied With Long Block. |
| With AC | 10.2 | 0.0 | B | Includes: R&I Engine And Transfer All Necessary Components Not Supplied With Long Block. |
| Short Block |
| Without AC | 11.1 | 0.0 | A | Includes: R&I Engine, Transfer All Necessary Components Not Supplied With Short Block. |
| With AC | 12.2 | 0.0 | A | Includes: R&I Engine, Transfer All Necessary Components Not Supplied With Short Block. |
| Overhaul/Rebuild |
| Complete Assembly |
| Water Cooled, Opposed |
| Without AC | 23.7 | 0.0 | A | Includes: Disassemble & Clean Engine. Ridge Ream & Hone Cylinders. Inspect & Replace All Necessary Components, Grind Valves And Tune-Up. |
| With AC | 24.8 | 0.0 | A | Includes: Disassemble & Clean Engine. Ridge Ream & Hone Cylinders. Inspect & Replace All Necessary Components, Grind Valves And Tune-Up. |