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--- techtalk:ref:oil05b [2019/07/20 15:17]
hippysmack created
+++ techtalk:ref:oil05b [2019/07/20 15:25]
hippysmack [Running External Rocker Box Drains]
@@ Line 4: / Line 4: @@
 There were no oil returns on the old Axtel big bore (or the day) cylinders. \\
 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 wheels). ((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))

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