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techtalk:ref:engmech04 [2020/10/07 03:57] hippysmack [1991-2003 Engine Specifics] |
techtalk:ref:engmech04 [2020/10/07 04:00] hippysmack [2004-Up Engine Specifics] |
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| After the oil has been removed from that small (separation) chamber, a small amount of atmosphere is pulled into the engine thru the tiny hole. \\ | After the oil has been removed from that small (separation) chamber, a small amount of atmosphere is pulled into the engine thru the tiny hole. \\ | ||
| At that point, the tiny hole is a slight air (atmosphere) intake hole. \\ | At that point, the tiny hole is a slight air (atmosphere) intake hole. \\ | ||
| + | |||
| + | The crankcase air pushes past the breather valve and exits the engine out the breather vent (which is factory plumbed into the air cleaner backing plate). \\ | ||
| {{:techtalk:evo:engmech:86-90_cc_pressure_drawing_by_hippysmack.jpg?direct&300|}} ((drawing by Hippysmack)) {{:techtalk:evo:engmech:86-90_engine_crankcase_breathing_by_hippysmack.jpg?direct&300|}} ((drawing by Hippysmack)) | {{:techtalk:evo:engmech:86-90_cc_pressure_drawing_by_hippysmack.jpg?direct&300|}} ((drawing by Hippysmack)) {{:techtalk:evo:engmech:86-90_engine_crankcase_breathing_by_hippysmack.jpg?direct&300|}} ((drawing by Hippysmack)) | ||
| Line 104: | Line 106: | ||
| A hole in each head connects the path from the outlet of the breather vent to atmosphere. \\ | A hole in each head connects the path from the outlet of the breather vent to atmosphere. \\ | ||
| A hollow bolt installed into each head passes the air into the air cleaner backing plate. \\ | A hollow bolt installed into each head passes the air into the air cleaner backing plate. \\ | ||
| - | | + | |
| + | {{:techtalk:evo:engmech:91_and_up_cc_pressure_drawing_by_hippysmack.jpg?direct&300|}} ((drawing by Hippysmack)) {{:techtalk:evo:engmech:91-up_engine_crankcase_breathing_by_hippysmack.jpg?direct&300|}} ((drawing by Hippysmack)) | ||
| ==== OEM oil paths and engine breathing drawings ==== | ==== OEM oil paths and engine breathing drawings ==== | ||
