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techtalk:ref:oil05b [2019/07/17 05:04] hippysmack ↷ Page name changed from techtalk:ref:oil05b to techtalk:ref:engmech05f |
techtalk:ref:oil05b [2019/07/20 15:25] hippysmack [Running External Rocker Box Drains] |
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| + | [[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | ||
| + | ====== REF: Oiling & Lubrication - Sub-05A ====== | ||
| + | ====== Running External Rocker Box Drains ====== | ||
| + | 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 flywheels). ((Racepres of the XLFORUM http://xlforum.net/forums/showthread.php?t=2002736)) \\ | ||
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| + | 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. \\ | ||
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| + | {{: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_1_by_anachris.jpg?direct&300|}} ((photo by AnaChris of the XLFORUM http://xlforum.net/forums/showthread.php?t=2002736)) \\ | ||
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| + | [[:techtalk:menu|{{:techtalk:gototechnicalmenu.jpg|}}]] | ||
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