Differences
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techtalk:ih:engmech09p [2021/06/28 23:17] hippysmack [Center Mount Cross Brace] |
techtalk:ih:engmech09p [2023/12/27 21:18] (current) hippysmack |
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Placing the washer on top of the mount also decreases the height of the straddle which adds more space between the cross brace and frame mount. \\ | Placing the washer on top of the mount also decreases the height of the straddle which adds more space between the cross brace and frame mount. \\ | ||
So you'll need more spacers there to make up that difference. \\ | So you'll need more spacers there to make up that difference. \\ | ||
- | The intake manifold fit determines head and cylinder position. ((ryder rick of the XLFORUM http://xlforum.net/forums/showthread.php?threadid=2023240)) It's a bad idea to turn the cylinders just to make the mount work. \\ | + | The intake manifold fit determines head and cylinder position. ((ryder rick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/189737-top-motor-mount-bracket-hole-mis-alignment?threadid=2023240)) It's a bad idea to turn the cylinders just to make the mount work. \\ |
This is critical on an O-ring style joints. Too big of a gap and the O-rings may not seal correctly and create an air leak. \\ | This is critical on an O-ring style joints. Too big of a gap and the O-rings may not seal correctly and create an air leak. \\ | ||
But all in all, it can be done while paying close attention to the assembly process. \\ | But all in all, it can be done while paying close attention to the assembly process. \\ | ||
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In fact, you can induce added vibration and potential for cracks in the mounts or cases if the mounts aren't installed properly. \\ | In fact, you can induce added vibration and potential for cracks in the mounts or cases if the mounts aren't installed properly. \\ | ||
- | |Washers on top of the straddle mount (71 XLCH). \\ (as shown in the parts books and most FSMs) ((photo by piniongear of the XLFORUM http://xlforum.net/forums/showthread.php?t=1139862&page=3))| Machined area on head for the straddle mount. \\ (notice the binding that occurred in the left pic) ((combined pics from Ebay sellers, Vintage Parts Suppliers, [[https://www.ebay.com/str/vintagepartssuppliers?_trksid=p2047675.l2563|Link to Ebay Store]] and Rusty Dusty Motorcycle Parts [[https://www.ebay.com/str/bialystreasures?_trksid=p2047675.l2563|Link to Ebay Store]] ))| | + | |Washers on top of the straddle mount (71 XLCH). \\ (as shown in the parts books and most FSMs) ((photo by piniongear of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/117858-wiring-placement-pictures-or-diagrams/page3?t=1139862&page=3))| Machined area on head for the straddle mount. \\ (notice the binding that occurred in the left pic) ((combined pics from Ebay sellers, Vintage Parts Suppliers, [[https://www.ebay.com/str/vintagepartssuppliers?_trksid=p2047675.l2563|Link to Ebay Store]] and Rusty Dusty Motorcycle Parts [[https://www.ebay.com/str/bialystreasures?_trksid=p2047675.l2563|Link to Ebay Store]] ))| |
|{{:techtalk:ih:engmech:topmount_1_on_71_xlch_by_piniongear.jpg?direct&300|}}|{{:techtalk:ih:engmech:top_mount_hole_compilation_from_vintage_parts_suppliers_and_rusty_dust_motorcycle_parts.jpg?direct&300|}}| | |{{:techtalk:ih:engmech:topmount_1_on_71_xlch_by_piniongear.jpg?direct&300|}}|{{:techtalk:ih:engmech:top_mount_hole_compilation_from_vintage_parts_suppliers_and_rusty_dust_motorcycle_parts.jpg?direct&300|}}| | ||