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techtalk:ref:oil05b [2019/07/20 15:18]
hippysmack [Running External Rocker Box Drains]
techtalk:ref:oil05b [2019/07/20 15:25]
hippysmack [Running External Rocker Box Drains]
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 So the oil return for the rocker boxes was piped externally. \\ So the oil return for the rocker boxes was piped externally. \\
 If a windage tray was used, you could return the oil behind that (staying away from the flywheels). ((Racepres of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=2002736)) \\ If a windage tray was used, you could return the oil behind that (staying away from the flywheels). ((Racepres of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=2002736)) \\
 +
 +Bringing the oil under the baffle or windage tray is the classic way to do it. \\
 +It's done to cut down on oil drag on the wheels (although I've never been able to prove a power increase). ((aswracing of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=2002736)) \\
 +Rubbermount bikes don't have the issue since the oil drain holes dump into the cam chest. \\
 +The outlet is in the case itself. \\
 +The oil leaves the heads dumps into the case deck, drops down about an inch and then takes a 90° turn over to the cam box. \\
 +Then the cam box inlet of the oil pump takes care of scavenging it. \\
 +On my race bike, I have the oil tank mounted low, and the head drains go straight to the oil tank. \\
 +Eliminates the entire need to pump it out of the motor. \\
  
 {{:​techtalk:​ref:​oil:​external_rocker_box_drains_2_by_anachris.jpg?​direct&​300|}} ((photo by AnaChris of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=2002736)) {{:​techtalk:​ref:​oil:​external_rocker_box_drains_2_by_anachris.jpg?​direct&​300|}} ((photo by AnaChris of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=2002736))