How To | S&S Cycle Oil-Pump Install Pt 2
Using a small needle nose, insert the Woodruff key in the oil-pump drive shaft. Make sure the Woodruff key is secure after it’s inserted.
Words: Chip Kastelnik Photos: Mikey Van Senus
In the first half of this how-to oil pump install, we left off with hand-tightening the pump’s bolts to the engine case and verifying that the pump’s gears spun freely in their housing. Time to finish the job and start enjoying the benefits of having a better oil pump on our 97 Evo.
We all know how important it is to keep cool when you’re riding your motorcycle on a hot day. The cooler you and your trusty steed are, the longer you can go, the more time you spend in the saddle, you get the point. For your motor, oil is the lifeblood of heat management. A good aftermarket pump like this one from S&S Cycle is like upgrading the heart that pumps that blood. Hence why we added one to this 1997 H-D Evolution powerplant. The S&S High Volume High Pressure (HVHP) oil pump kit provides 38 percent more oil supply volume, as well as increased oil pressure, and offers 61 percent more scavenging than stock 1992 and later Harley-Davidson oil pumps.
Using small snap-ring pliers, install the oil-pump pinion gear snap ring.
Words: Chip Kastelnik Photos: Mikey Van Senus
To install the snap ring, simply insert ring onto the shaft.
Words: Chip Kastelnik Photos: Mikey Van Senus
Here is the snap ring being installed as seen from looking down into the lifter bore.
Words: Chip Kastelnik Photos: Mikey Van Senus
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Once the snap ring is installed, verify it has been installed properly and is in its appropriate gulley on the oil-pump drive shaft.
Words: Chip Kastelnik Photos: Mikey Van Senus
Align the outer HVHP gasket to the outer oil-pump cover.
Words: Chip Kastelnik Photos: Mikey Van Senus
Place the cover onto the housing using the four supplied bolts.
Words: Chip Kastelnik Photos: Mikey Van Senus
Tighten the four cover bolts as well the top two bolts.
Words: Chip Kastelnik Photos: Mikey Van Senus
Torque the cover bolts and the top housing bolts to 90–120 inch-pounds. Congratulation! You have just installed your new S&S HVHP oil-pump.
Words: Chip Kastelnik Photos: Mikey Van Senus
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Take a virtual walk through our Tech department for more installation pieces.
