6. Back down to the primary, Ed removed the stock compensator bolt first and installed the PTO assembly, which bolted right onto the compensating sprocket. The PTO is driven by the crankshaft and transmits power to the PTO output shaft at a 2.3:1 ratio to the crankshaft via the 21mm Kevlar wet belt. You'll need the primary locking tool shown here to complete this step (arrow). Red thread locker was used on the new 9/16-12x4.5-inch bolt, which was tightened to factory spec.