Table of Contents
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REF: Oiling & Lubrication
Aftermarket Sportster Oil Pumps
Pro-Flow
These pumps are no longer in production.
At the top there is 1 gerotor stage that scavanges the cam chest.
Below is a spur gear stage that scavenges the sump.
At the bottom is another gerotor stage that feeds the engine.
| Pro Flow multi-stage oil pump. 1) | |
 |  |
1)
photos by Jorgen of the XLFORUM http://xlforum.net/forums/showthread.php?p=4368299&highlight=pro+flow#post4368299
