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techtalk:ref:engmech04g [2020/10/25 23:35] hippysmack [REF: Engine Mechanicals - Sub-04G] |
techtalk:ref:engmech04g [2023/12/26 23:09] hippysmack |
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All testing done with green coloring below was done with 36" ruler with reference zero at 18-1/8" on the ruler as shown below. \\ | All testing done with green coloring below was done with 36" ruler with reference zero at 18-1/8" on the ruler as shown below. \\ | ||
- | {{:techtalk:ref:engmech:homemade_slack_tube_2_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?p=5784790#post5784790)) {{:techtalk:ref:engmech:homemade_slack_tube_5_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?p=5784790#post5784790)) {{:techtalk:ref:engmech:hst_testing_reference_zero_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=79)) \\ | + | {{:techtalk:ref:engmech:homemade_slack_tube_2_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page52#post4349847)) {{:techtalk:ref:engmech:homemade_slack_tube_5_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page52#post4349847)) {{:techtalk:ref:engmech:hst_testing_reference_zero_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page79?t=2073932&page=79)) \\ |
====== Summaries from Slack Tube Testing ====== | ====== Summaries from Slack Tube Testing ====== | ||
- | + | Before changing to new umbrellas; ((Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page84?t=2073932&page=84)) \\ | |
- | Before changing to new umbrellas; ((Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=84)) \\ | + | |
- The rear umbrella was more stiff than the front one which was 'like new'. | - The rear umbrella was more stiff than the front one which was 'like new'. | ||
- The oil cap could be removed at hot idle and the engine stumbled or died. | - The oil cap could be removed at hot idle and the engine stumbled or died. | ||
Line 100: | Line 99: | ||
The umbrella valves were in used state. The front umbrella had about 6 months use. \\ | The umbrella valves were in used state. The front umbrella had about 6 months use. \\ | ||
- | {{:techtalk:ref:engmech:hst_testing_reference_zero_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=79)) {{:techtalk:ref:engmech:hst_testing_1_at_1000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=79)) {{:techtalk:ref:engmech:hst_testing_1_at_2000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=79)) \\ | + | {{:techtalk:ref:engmech:hst_testing_reference_zero_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page79?t=2073932&page=79)) {{:techtalk:ref:engmech:hst_testing_1_at_1000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page79?t=2073932&page=79)) {{:techtalk:ref:engmech:hst_testing_1_at_2000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page79?t=2073932&page=79)) \\ |
- | {{:techtalk:ref:engmech:hst_testing_1_at_3000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=79)) {{:techtalk:ref:engmech:hst_testing_1_at_4000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=79)) {{:techtalk:ref:engmech:hst_testing_1_at_5000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=79)) \\ | + | {{:techtalk:ref:engmech:hst_testing_1_at_3000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page79?t=2073932&page=79)) {{:techtalk:ref:engmech:hst_testing_1_at_4000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page79?t=2073932&page=79)) {{:techtalk:ref:engmech:hst_testing_1_at_5000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page79?t=2073932&page=79)) \\ |
===== Test after replacing the umbrellas ===== | ===== Test after replacing the umbrellas ===== | ||
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There was no noticeable sign of wetsumping or oil puking out the breathers even before any of this testing began. \\ | There was no noticeable sign of wetsumping or oil puking out the breathers even before any of this testing began. \\ | ||
- | {{:techtalk:ref:engmech:hst_testing_reference_zero_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=79)) {{:techtalk:ref:engmech:hst_testing_2_at_1000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=82)) {{:techtalk:ref:engmech:hst_testing_2_at_2000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=82)) \\ | + | {{:techtalk:ref:engmech:hst_testing_reference_zero_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page79?t=2073932&page=79)) {{:techtalk:ref:engmech:hst_testing_2_at_1000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page82?t=2073932&page=82)) {{:techtalk:ref:engmech:hst_testing_2_at_2000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page82?t=2073932&page=82)) \\ |
- | {{:techtalk:ref:engmech:hst_testing_2_at_3000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=82)) {{:techtalk:ref:engmech:hst_testing_2_at_4000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=82)) {{:techtalk:ref:engmech:hst_testing_2_at_5000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=82)) | + | {{:techtalk:ref:engmech:hst_testing_2_at_3000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page82?t=2073932&page=82)) {{:techtalk:ref:engmech:hst_testing_2_at_4000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page82?t=2073932&page=82)) {{:techtalk:ref:engmech:hst_testing_2_at_5000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page82?t=2073932&page=82)) |
===== Test with reduced breather bolt orifices ===== | ===== Test with reduced breather bolt orifices ===== | ||
- | |||
This was done to see what the affects were of the restricted breather bolts in 04-up engines. \\ | This was done to see what the affects were of the restricted breather bolts in 04-up engines. \\ | ||
(to see if the restricted hole itself has an affect on pressure on the inside and if so how much) \\ | (to see if the restricted hole itself has an affect on pressure on the inside and if so how much) \\ | ||
Line 132: | Line 130: | ||
And it was easier to spot for oil mist from the bolts which there wasn't any. \\ | And it was easier to spot for oil mist from the bolts which there wasn't any. \\ | ||
- | {{:techtalk:evo:engmech:making_91-03_breather_bolt_holes_smaller_pic_5_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=84)) | + | {{:techtalk:evo:engmech:making_91-03_breather_bolt_holes_smaller_pic_5_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page84?t=2073932&page=84)) |
- | {{:techtalk:evo:engmech:making_91-03_breather_bolt_holes_smaller_pic_7_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=84)) \\ | + | {{:techtalk:evo:engmech:making_91-03_breather_bolt_holes_smaller_pic_7_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page84?t=2073932&page=84)) \\ |
- | {{:techtalk:ref:engmech:hst_testing_reference_zero_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=79)) {{:techtalk:ref:engmech:hst_testing_2_at_1000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=82)) \\ | + | {{:techtalk:ref:engmech:hst_testing_reference_zero_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page79?t=2073932&page=79)) {{:techtalk:ref:engmech:hst_testing_2_at_1000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page82?t=2073932&page=82)) \\ |
- | {{:techtalk:ref:engmech:hst_testing_3-1_at_1000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=85)) {{:techtalk:ref:engmech:hst_testing_3-2_at_1000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=85)) {{:techtalk:ref:engmech:hst_testing_3-2_restriction_at_2000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=85)) \\ | + | {{:techtalk:ref:engmech:hst_testing_3-1_at_1000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page85?t=2073932&page=85)) {{:techtalk:ref:engmech:hst_testing_3-2_at_1000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page85?t=2073932&page=85)) {{:techtalk:ref:engmech:hst_testing_3-2_restriction_at_2000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page85?t=2073932&page=85)) \\ |
- | {{:techtalk:ref:engmech:hst_testing_3-2_restriction_at_3000_rpm_by_hippysmack_2_.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=85)) {{:techtalk:ref:engmech:hst_testing_3-2_restriction_at_4000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=85)) {{:techtalk:ref:engmech:hst_testing_3-2_restriction_at_5000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=85)) \\ | + | {{:techtalk:ref:engmech:hst_testing_3-2_restriction_at_3000_rpm_by_hippysmack_2_.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page85?t=2073932&page=85)) {{:techtalk:ref:engmech:hst_testing_3-2_restriction_at_4000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page85?t=2073932&page=85)) {{:techtalk:ref:engmech:hst_testing_3-2_restriction_at_5000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page85?t=2073932&page=85)) \\ |
===== Test for oil cap issue when removed at idle ===== | ===== Test for oil cap issue when removed at idle ===== | ||
Line 145: | Line 143: | ||
The slack tube was hooked up to help diagnose the problem. \\ | The slack tube was hooked up to help diagnose the problem. \\ | ||
- | {{:techtalk:ref:engmech:hst_testing_reference_zero_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=79)) \\ | + | {{:techtalk:ref:engmech:hst_testing_reference_zero_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page79?t=2073932&page=79)) \\ |
Before the new umbrellas, 3-3/4" (7-1/2" WC) of vacuum was lost while removing the oil cap and the engine died when removing the cap. \\ | Before the new umbrellas, 3-3/4" (7-1/2" WC) of vacuum was lost while removing the oil cap and the engine died when removing the cap. \\ | ||
Line 152: | Line 150: | ||
It didn't have any affect pulling the cap at cold idle. \\ | It didn't have any affect pulling the cap at cold idle. \\ | ||
- | {{:techtalk:ref:engmech:hst_testing_1_at_1000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=79)) {{:techtalk:ref:engmech:hst_testing_oil_cap_removed_at_1000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=79)) \\ | + | {{:techtalk:ref:engmech:hst_testing_1_at_1000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page79?t=2073932&page=79)) {{:techtalk:ref:engmech:hst_testing_oil_cap_removed_at_1000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page79?t=2073932&page=79)) \\ |
The umbrellas were replaced with new ones and the test performed again. \\ | The umbrellas were replaced with new ones and the test performed again. \\ | ||
Line 159: | Line 157: | ||
No frothing in the oil tank now with the cap removed at idle. So it appears the problem was a stiff umbrella valve (rear). \\ | No frothing in the oil tank now with the cap removed at idle. So it appears the problem was a stiff umbrella valve (rear). \\ | ||
- | {{:techtalk:ref:engmech:hst_testing_2_at_1000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=82)) {{:techtalk:ref:engmech:hst_testing_2_at_1000_rpm_no_oil_cap_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=84)) \\ | + | {{:techtalk:ref:engmech:hst_testing_2_at_1000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page82?t=2073932&page=82)) {{:techtalk:ref:engmech:hst_testing_2_at_1000_rpm_no_oil_cap_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page84?t=2073932&page=84)) \\ |
===== Test with air cleaner removed ===== | ===== Test with air cleaner removed ===== | ||
Line 168: | Line 166: | ||
But none of this is was in the filter and no oil puking. \\ | But none of this is was in the filter and no oil puking. \\ | ||
- | {{:techtalk:ref:engmech:hst_testing_2_at_1000_rpm_no_ac_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=82)) | + | {{:techtalk:ref:engmech:hst_testing_2_at_1000_rpm_no_ac_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page82?t=2073932&page=82)) |
- | {{:techtalk:ref:engmech:hst_testing_2_ac_removed_at_1000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?t=2073932&page=82)) \\ | + | {{:techtalk:ref:engmech:hst_testing_2_ac_removed_at_1000_rpm_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/page82?t=2073932&page=82)) \\ |
\\ | \\ |