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techtalk:ref:carb03a [2019/08/24 04:04] hippysmack [Replacing S&S Intake Manifold Seals on an 88 Model Engine] |
techtalk:ref:carb03a [2024/01/11 01:41] (current) hippysmack |
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====== Replacing S&S Intake Manifold Seals on an 88 Model Engine ====== | ====== Replacing S&S Intake Manifold Seals on an 88 Model Engine ====== | ||
- | Article by biknut of the XLFORUM ((http://xlforum.net/forums/showthread.php?t=789313)) \\ | + | Article by biknut of the XLFORUM ((https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/94932-how-to-replace-intake-manifold-seals?t=789313)) \\ |
First thing to do is remove the seat and gas tank. If you really want to play it safe unhook the battery positive cable. \\ | First thing to do is remove the seat and gas tank. If you really want to play it safe unhook the battery positive cable. \\ | ||
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A Bonhaus driver was used below to remove the Allen head bolts on the top side of the intake manifold flange. \\ | A Bonhaus driver was used below to remove the Allen head bolts on the top side of the intake manifold flange. \\ | ||
This is nothing more than a ball end Allen wrench. Use a 1/2" wrench to loosen the 2 bolts on the bottom side of the intake manifold flange. \\ | This is nothing more than a ball end Allen wrench. Use a 1/2" wrench to loosen the 2 bolts on the bottom side of the intake manifold flange. \\ | ||
- | (the small box end wrench was slipped over the Allen wrench for extra leverage) ((photos by biknut of the XLFORUM http://xlforum.net/forums/showthread.php?t=789313)) \\ | + | (the small box end wrench was slipped over the Allen wrench for extra leverage) ((photos by biknut of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/94932-how-to-replace-intake-manifold-seals?t=789313)) \\ |
{{:techtalk:ref:carb:replacing_88-90_intake_seals_1_by_biknut.jpg?direct&300|}} {{:techtalk:ref:carb:replacing_88-90_intake_seals_2_by_biknut.jpg?direct&300|}} {{:techtalk:ref:carb:replacing_88-90_intake_seals_3_by_biknut.jpg?direct&300|}} \\ | {{:techtalk:ref:carb:replacing_88-90_intake_seals_1_by_biknut.jpg?direct&300|}} {{:techtalk:ref:carb:replacing_88-90_intake_seals_2_by_biknut.jpg?direct&300|}} {{:techtalk:ref:carb:replacing_88-90_intake_seals_3_by_biknut.jpg?direct&300|}} \\ | ||
- | With all 4 of the intake manifold bolts are removed, then remove the 2 bolts that hold the air cleaner back plate to the heads. ((photos by biknut of the XLFORUM http://xlforum.net/forums/showthread.php?t=789313)) \\ | + | With all 4 of the intake manifold bolts are removed, then remove the 2 bolts that hold the air cleaner back plate to the heads. ((photos by biknut of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/94932-how-to-replace-intake-manifold-seals?t=789313)) \\ |
{{:techtalk:ref:carb:replacing_88-90_intake_seals_4_by_biknut.jpg?direct&300|}} {{:techtalk:ref:carb:replacing_88-90_intake_seals_5_by_biknut.jpg?direct&300|}} {{:techtalk:ref:carb:replacing_88-90_intake_seals_6_by_biknut.jpg?direct&300|}} \\ | {{:techtalk:ref:carb:replacing_88-90_intake_seals_4_by_biknut.jpg?direct&300|}} {{:techtalk:ref:carb:replacing_88-90_intake_seals_5_by_biknut.jpg?direct&300|}} {{:techtalk:ref:carb:replacing_88-90_intake_seals_6_by_biknut.jpg?direct&300|}} \\ | ||
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Now you should be able to remove the entire intake manifold, carb, back plate assembly. \\ | Now you should be able to remove the entire intake manifold, carb, back plate assembly. \\ | ||
The throttle cable was left on below since the carb will not be serviced here but just the manifold seals. \\ | The throttle cable was left on below since the carb will not be serviced here but just the manifold seals. \\ | ||
- | Applying some grease to the seals prior to installation will help keep down air leaks later. ((photos by biknut of the XLFORUM http://xlforum.net/forums/showthread.php?t=789313)) \\ | + | Applying some grease to the seals prior to installation will help keep down air leaks later. ((photos by biknut of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/94932-how-to-replace-intake-manifold-seals?t=789313)) \\ |
{{:techtalk:ref:carb:replacing_88-90_intake_seals_7_by_biknut.jpg?direct&300|}} {{:techtalk:ref:carb:replacing_88-90_intake_seals_8_by_biknut.jpg?direct&300|}} {{:techtalk:ref:carb:replacing_88-90_intake_seals_9_by_biknut.jpg?direct&300|}} \\ | {{:techtalk:ref:carb:replacing_88-90_intake_seals_7_by_biknut.jpg?direct&300|}} {{:techtalk:ref:carb:replacing_88-90_intake_seals_8_by_biknut.jpg?direct&300|}} {{:techtalk:ref:carb:replacing_88-90_intake_seals_9_by_biknut.jpg?direct&300|}} \\ | ||
- | Install the seals. Don't forget to clean where the seal fits to the head. ((photos by biknut of the XLFORUM http://xlforum.net/forums/showthread.php?t=789313)) \\ | + | Install the seals. Don't forget to clean where the seal fits to the head. ((photos by biknut of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/94932-how-to-replace-intake-manifold-seals?t=789313)) \\ |
{{:techtalk:ref:carb:replacing_88-90_intake_seals_10_by_biknut.jpg?direct&300|}} {{:techtalk:ref:carb:replacing_88-90_intake_seals_11_by_biknut.jpg?direct&300|}} {{:techtalk:ref:carb:replacing_88-90_intake_seals_12_by_biknut.jpg?direct&300|}} \\ | {{:techtalk:ref:carb:replacing_88-90_intake_seals_10_by_biknut.jpg?direct&300|}} {{:techtalk:ref:carb:replacing_88-90_intake_seals_11_by_biknut.jpg?direct&300|}} {{:techtalk:ref:carb:replacing_88-90_intake_seals_12_by_biknut.jpg?direct&300|}} \\ | ||
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(while you're installing the nuts and bolts on the manifold flanges) \\ | (while you're installing the nuts and bolts on the manifold flanges) \\ | ||
- | If you've got big hands, it's helpful to use a magnet to help install the Allen bolts in the flanges. ((photos by biknut of the XLFORUM http://xlforum.net/forums/showthread.php?t=789313)) \\ | + | If you've got big hands, it's helpful to use a magnet to help install the Allen bolts in the flanges. ((photos by biknut of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/94932-how-to-replace-intake-manifold-seals?t=789313)) \\ |
{{:techtalk:ref:carb:replacing_88-90_intake_seals_10_by_biknut.jpg?direct&300|}} {{:techtalk:ref:carb:replacing_88-90_intake_seals_14_by_biknut.jpg?direct&300|}} {{:techtalk:ref:carb:replacing_88-90_intake_seals_15_by_biknut.jpg?direct&300|}} \\ | {{:techtalk:ref:carb:replacing_88-90_intake_seals_10_by_biknut.jpg?direct&300|}} {{:techtalk:ref:carb:replacing_88-90_intake_seals_14_by_biknut.jpg?direct&300|}} {{:techtalk:ref:carb:replacing_88-90_intake_seals_15_by_biknut.jpg?direct&300|}} \\ | ||
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Torque to 10-12 ft lbs. | Torque to 10-12 ft lbs. | ||
- | Put the gas tank and seat back on. Don't forget about the battery if you unhooked it, and install the air filter element and cover. ((photos by biknut of the XLFORUM http://xlforum.net/forums/showthread.php?t=789313)) \\ | + | Put the gas tank and seat back on. Don't forget about the battery if you unhooked it, and install the air filter element and cover. ((photos by biknut of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/94932-how-to-replace-intake-manifold-seals?t=789313)) \\ |
{{:techtalk:ref:carb:replacing_88-90_intake_seals_5_by_biknut.jpg?direct&300|}} {{:techtalk:ref:carb:replacing_88-90_intake_seals_3_by_biknut.jpg?direct&300|}} {{:techtalk:ref:carb:replacing_88-90_intake_seals_1_by_biknut.jpg?direct&300|}} \\ | {{:techtalk:ref:carb:replacing_88-90_intake_seals_5_by_biknut.jpg?direct&300|}} {{:techtalk:ref:carb:replacing_88-90_intake_seals_3_by_biknut.jpg?direct&300|}} {{:techtalk:ref:carb:replacing_88-90_intake_seals_1_by_biknut.jpg?direct&300|}} \\ |