S&S Cycle Oil Pump for T-Series Engines and Harley-Davidson Twin Cam 88 Engines, Including Standard and Easy Start Camshafts - Manual (Page 6)

Note: For early 1999 Harley-Davidson® OWNERS: If your case looks like Picture 9 below included in the kit is a plug for the oil pump body. You must install
this plug before moving forward.
If you are installing this pump in a stock H-D® case you will need to replace the three O-rings indicated in Picture 10 below left. Installation in an
S&S® case will require replacing all of the O-rings in Picture 11 below right.
Start by applying some assembly lube to the pinion shaft. See picture 12, below left. Next, carefully slide the oil pump body over the shaft just
enough to contact the reed valve spring, Picture 13, below right. Before pressing the pump body in place, verify that the spring is seated in the
reed valve groove - or, onto the SA case adapter.
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Picture 12 Picture 13
Picture 9
Picture 9a
Picture 10 Picture 11