S&S 107-Inch Touring Motor - Hot First Look

7. After the right case was slid over the pinion shaft, the entire assembly was placed in an engine stand before torquing the case bolts to spec.

8. After sliding the oil pump through the case, the pump drive gear was held in place with a snap ring. Before installing the oil pump, it's important to align the timing marks on the gears.

9. While tightening the billet cover on the oil pump, the pump drive gear was simultaneously rotated to make sure the pump moved freely.

10. Next, the oil-pump drive gear was placed on the pinion shaft. The chamfered end was oriented toward the engine case...

11. ...followed by the drive-gear spacer and the pinion gear. The nut (left-hand thread) was torqued to 35 lb-ft.

12. Before installing the camshaft, more assembly lube was applied.

13. When the cam and the breather gear are installed, it's imperative that the timing marks line up with the already installed pinion gear.

14. A gasket was placed on the case before installing the S&S billet cam cover.

15. Before using new lifters, it's always a good idea to make sure they are filled with oil. S&S uses Mobil 1 V Twin 20w50.

16. Ted then inserted the lifters into the lifter guides (tappet blocks) before tightening them. It's a necessity to use an alignment tool while tightening the lifter guides in the case.

17. Before attaching the cylinders, Ted primed the oil pump with fresh oil as he rotated the flywheel assembly.

18. Once the bottom end was finished, the cylinders were washed with solvent, cleaned with soap and water, and then blown clean and dried with compressed air.