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| ====== Comparing Noises From Other Bikes ====== | ====== Comparing Noises From Other Bikes ====== | ||
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| Imports are liquid cooled, and that in and of itself kills a lot of engine noise that would normally get to your ears due to: ((DG_Sportster of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/efi-sportster-motorcycle-talk-2007-and-up/97463-engine-noise?t=823082)) \\ | Imports are liquid cooled, and that in and of itself kills a lot of engine noise that would normally get to your ears due to: ((DG_Sportster of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/efi-sportster-motorcycle-talk-2007-and-up/97463-engine-noise?t=823082)) \\ | ||
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| ===== Front Forks ===== | ===== Front Forks ===== | ||
| - | At a full stop with the bike idling, you apply the front brake and the bike gets a vibration like a buzz in frequency. ((wedge of the XLFORUM http://xlforum.net/forums/showthread.php?t=1680285&highlight=forks+vibrate)) \\ | + | At a full stop with the bike idling, you apply the front brake and the bike gets a vibration like a buzz in frequency. ((wedge of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-drivetrain/sportster-motorcycle-tires-wheels-and-brakes-aa/157028-vibration-front-brake?t=1680285&highlight=forks+vibrate)) \\ |
| It disappears when you release the brake lever, and comes back as soon as you apply the brake. \\ | It disappears when you release the brake lever, and comes back as soon as you apply the brake. \\ | ||
| - | As the engine rotates (picture the crank moving) the inertia tries to move the bike slightly fore and aft. ((racerwill of the XLFORUM http://xlforum.net/forums/showthread.php?t=1680285&highlight=forks+vibrate)) \\ | + | As the engine rotates (picture the crank moving) the inertia tries to move the bike slightly fore and aft. ((racerwill of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-drivetrain/sportster-motorcycle-tires-wheels-and-brakes-aa/157028-vibration-front-brake?t=1680285&highlight=forks+vibrate)) \\ |
| The wheel absorbs this motion by rolling very slightly , maybe 1/16" or less. \\ | The wheel absorbs this motion by rolling very slightly , maybe 1/16" or less. \\ | ||
| By applying the front brake, you stop the movement of the tire so the oscillations of inertia go to the forks and back into the bike. \\ | By applying the front brake, you stop the movement of the tire so the oscillations of inertia go to the forks and back into the bike. \\ | ||
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| Vibration in the forks can appear like a dance or like the forks are about to break. \\ | Vibration in the forks can appear like a dance or like the forks are about to break. \\ | ||
| This can shake the brake pad(s) or lights, mirrors and any part on the front can be subject to making noise. \\ | This can shake the brake pad(s) or lights, mirrors and any part on the front can be subject to making noise. \\ | ||
| + | |||
| ===== Motor Mounts ===== | ===== Motor Mounts ===== | ||
| - | Engine mounts may very well be the most ignored maintenance point. ((cantolina of the XLFORUM http://xlforum.net/forums/showthread.php?t=27701&page=3)) \\ | + | Engine mounts may very well be the most ignored maintenance point. ((cantolina of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/rubber-mount-sportster-motorcycle-talk-2004-2006/16552-vibration-problem-solved-check-your-front-engine-mount-bolt/page3?t=27701&page=3)) \\ |
| You can loosen them after working on the engine, run the bike to let the engine "settle in" to the mounts and then torque'em back down. \\ | You can loosen them after working on the engine, run the bike to let the engine "settle in" to the mounts and then torque'em back down. \\ | ||
| It may help with vibration issues. \\ | It may help with vibration issues. \\ | ||
| - | You can also torque the motor mount bolts and put a small line (fine permanent marker) across the bolt and the nut. ((MikeGV of the XLFORUM http://xlforum.net/forums/showthread.php?t=27701&page=24)) \\ | + | You can also torque the motor mount bolts and put a small line (fine permanent marker) across the bolt and the nut. ((MikeGV of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/rubber-mount-sportster-motorcycle-talk-2004-2006/16552-vibration-problem-solved-check-your-front-engine-mount-bolt/page24?t=27701&page=24)) \\ |
| That way can easily spot if the bolt/nut has moved and loosened. \\ | That way can easily spot if the bolt/nut has moved and loosened. \\ | ||
| ==== Ironheads / Rigid mount Evos ==== | ==== Ironheads / Rigid mount Evos ==== | ||
| - | + | The frame mount sporty is designed to get rigidity from the engine mounted to the frame. ((sep69 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/128772-motor-mount-question?highlight=cracked+head+motor+mount#post2973264)) \\ | |
| - | The frame mount sporty is designed to get rigidity from the engine mounted to the frame. ((sep69 of the XLFORUM http://xlforum.net/forums/showthread.php?p=4069288&highlight=cracked+head+motor+mount#post4069288)) \\ | + | |
| Loosing one mount therefore will weaken the overall construction (and increase vibration). | Loosing one mount therefore will weaken the overall construction (and increase vibration). | ||
| - | The reason for so many engine mounts is also rotational loads the engine develops. ((tmack-1 of the XLFORUM http://xlforum.net/forums/showthread.php?p=4069288&highlight=cracked+head+motor+mount#post4069288)) \\ | + | The reason for so many engine mounts is also rotational loads the engine develops. ((tmack-1 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/128772-motor-mount-question?highlight=cracked+head+motor+mount#post2973264)) \\ |
| Something like when a muscle car shakes the engine when you rev it. \\ | Something like when a muscle car shakes the engine when you rev it. \\ | ||
| If you are building a bike, chances are you will make performance mod's to the engine. \\ | If you are building a bike, chances are you will make performance mod's to the engine. \\ | ||
| Line 121: | Line 120: | ||
| **Symptom**: \\ | **Symptom**: \\ | ||
| - | Vibration, growing stronger with higher RPMs, can be violent. ((boneheaddoctor of the XLFORUM http://xlforum.net/forums/showthread.php?p=4610630&highlight=motor+mount+noise#post4610630)) \\ | + | Vibration, growing stronger with higher RPMs, can be violent. ((boneheaddoctor of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/158202-vibration/page2?highlight=motor+mount+noise#post3359324)) \\ |
| **Condition**: \\ | **Condition**: \\ | ||
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| Make certain all the mount bolts are not only there, but are properly torqued as well. \\ | Make certain all the mount bolts are not only there, but are properly torqued as well. \\ | ||
| One bolt can make that much of a difference. \\ | One bolt can make that much of a difference. \\ | ||
| + | |||
| ==== Rubber mount Evos ==== | ==== Rubber mount Evos ==== | ||
| There shouldn't be that much vibration on rubbermount bikes. \\ | There shouldn't be that much vibration on rubbermount bikes. \\ | ||
| - | You should feel some but not enough to make your feet numb. ((gronk62 of the XLFORUM http://xlforum.net/forums/showthread.php?t=27701&page=6)) \\ | + | You should feel some but not enough to make your feet numb. ((gronk62 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/rubber-mount-sportster-motorcycle-talk-2004-2006/16552-vibration-problem-solved-check-your-front-engine-mount-bolt/page6?t=27701&page=6)) \\ |
| - | Keeping the motor mounts in specs makes all the difference in the world. ((Bill2 of the XLFORUM http://xlforum.net/forums/showthread.php?t=27701&page=12)) \\ | + | Keeping the motor mounts in specs makes all the difference in the world. ((Bill2 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/rubber-mount-sportster-motorcycle-talk-2004-2006/16552-vibration-problem-solved-check-your-front-engine-mount-bolt/page12?t=27701&page=12)) \\ |
| **Tip**: If your mirrors are blurry, check your motor mounts. \\ | **Tip**: If your mirrors are blurry, check your motor mounts. \\ | ||
| - | The front motor mounts are notorious for loosening up. ((Toejam503 of the XLFORUM http://xlforum.net/forums/showthread.php?p=5713261&highlight=loose+motor+mount#post5713261)) \\ | + | The front motor mounts are notorious for loosening up. ((Toejam503 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-general-discussion-and-problems/195355-vibration-during-acceleration?highlight=loose+motor+mount#post4251983)) \\ |
| Also check the condition of all the motor mount rubber isolators, they can deteriorate from age. \\ | Also check the condition of all the motor mount rubber isolators, they can deteriorate from age. \\ | ||
| - | If you over tighten the front mount, you're compressing the mount making it stiffer. ((A_Ride_4_ever of the XLFORUM http://xlforum.net/forums/showthread.php?t=27701&page=28)) \\ | + | If you over tighten the front mount, you're compressing the mount making it stiffer. ((A_Ride_4_ever of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/rubber-mount-sportster-motorcycle-talk-2004-2006/16552-vibration-problem-solved-check-your-front-engine-mount-bolt/page28?t=27701&page=28)) \\ |
| This leads to less give and a much higher chance of cracking the front mount. \\ | This leads to less give and a much higher chance of cracking the front mount. \\ | ||
| - | Check the large thru bolt (1" hex head) in the front rubber motor mount. ((ron1200c of the XLFORUM http://xlforum.net/forums/showthread.php?t=27701)) \\ | + | Check the large thru bolt (1" hex head) in the front rubber motor mount. ((ron1200c of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/rubber-mount-sportster-motorcycle-talk-2004-2006/16552-vibration-problem-solved-check-your-front-engine-mount-bolt?t=27701)) \\ |
| - | It's in the front of your bike below the voltage regulator under the oil filter. ((xena of the XLFORUM http://xlforum.net/forums/showthread.php?t=27701&page=4)) \\ | + | It's in the front of your bike below the voltage regulator under the oil filter. ((xena of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/rubber-mount-sportster-motorcycle-talk-2004-2006/16552-vibration-problem-solved-check-your-front-engine-mount-bolt/page4?t=27701&page=4)) \\ |
| There's your rubber mount with the big bolt going through it. \\ | There's your rubber mount with the big bolt going through it. \\ | ||
| If there is no thread showing where the nut is on the bolt, check tightness. \\ | If there is no thread showing where the nut is on the bolt, check tightness. \\ | ||
| - | Threads are normally past the end of the nut ranging from 1-2 threads to 1-1/2" or so. ((garbiker of the XLFORUM http://xlforum.net/forums/showthread.php?t=27701&page=5)) ((dave of the XLFORUM http://xlforum.net/forums/showthread.php?t=27701&page=8)) \\ | + | Threads are normally past the end of the nut ranging from 1-2 threads to 1-1/2" or so. ((garbiker of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/rubber-mount-sportster-motorcycle-talk-2004-2006/16552-vibration-problem-solved-check-your-front-engine-mount-bolt/page5?t=27701&page=5)) ((dave of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/rubber-mount-sportster-motorcycle-talk-2004-2006/16552-vibration-problem-solved-check-your-front-engine-mount-bolt/page8?t=27701&page=8)) \\ |
| So if it's flush or so you may need to retighten it or at least check it. \\ | So if it's flush or so you may need to retighten it or at least check it. \\ | ||
| - | As long as it's up to torque (and Loctite was applied), you're good. ((dave of the XLFORUM http://xlforum.net/forums/showthread.php?t=27701&page=8)) \\ | + | As long as it's up to torque (and Loctite was applied), you're good. ((dave of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/rubber-mount-sportster-motorcycle-talk-2004-2006/16552-vibration-problem-solved-check-your-front-engine-mount-bolt/page8?t=27701&page=8)) \\ |
| You can remove the right foot peg and rear brake pedal to gain access to the nut. \\ | You can remove the right foot peg and rear brake pedal to gain access to the nut. \\ | ||
| - | You may only need to take the bolts out of the front peg mount and rotate it out of the way to get a torque wrench on that nut. ((clayvis of the XLFORUM http://xlforum.net/forums/showthread.php?t=27701&page=4)) \\ | + | You may only need to take the bolts out of the front peg mount and rotate it out of the way to get a torque wrench on that nut. ((clayvis of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/rubber-mount-sportster-motorcycle-talk-2004-2006/16552-vibration-problem-solved-check-your-front-engine-mount-bolt/page4?t=27701&page=4)) \\ |
| You can used an open end wrench on the bolt head also. \\ | You can used an open end wrench on the bolt head also. \\ | ||
| - | Also, when looking at the front lower motor mounts from under the bike, the rubber mounts seem to sag downward just a bit. ((GlockDoc of the XLFORUM http://xlforum.net/forums/showthread.php?t=27701&page=28)) \\ | + | Also, when looking at the front lower motor mounts from under the bike, the rubber mounts seem to sag downward just a bit. ((GlockDoc of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/rubber-mount-sportster-motorcycle-talk-2004-2006/16552-vibration-problem-solved-check-your-front-engine-mount-bolt/page28?t=27701&page=28)) \\ |
| This should be somewhat normal as the engine puts downward pressure on the mount when setting. \\ | This should be somewhat normal as the engine puts downward pressure on the mount when setting. \\ | ||
| - | Both front and rear mounts can sag like this. ((JohnK of the XLFORUM http://xlforum.net/forums/showthread.php?t=27701&page=29)) \\ | + | Both front and rear mounts can sag like this. ((JohnK of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/rubber-mount-sportster-motorcycle-talk-2004-2006/16552-vibration-problem-solved-check-your-front-engine-mount-bolt/page29?t=27701&page=29)) \\ |
| The rears you can't tell from the outside but when you remove the swingarm, you can see the pivot pin is not centered. \\ | The rears you can't tell from the outside but when you remove the swingarm, you can see the pivot pin is not centered. \\ | ||
| You can swap the rear rubbers left to right and the pin will be centered again. \\ | You can swap the rear rubbers left to right and the pin will be centered again. \\ | ||
| Line 159: | Line 159: | ||
| However, this won't work with front mounts because they are LH and RH parts. \\ | However, this won't work with front mounts because they are LH and RH parts. \\ | ||
| - | | Front lower motor mount bolt. ((photo by salukidawg of the XLFORUM http://xlforum.net/forums/showthread.php?t=27701&page=21)) | 1 year old (2011) 1200C front mount sag. ((photo by GlockDoc of the XLFORUM http://xlforum.net/forums/showthread.php?t=27701&page=28)) | | + | | Front lower motor mount bolt. ((photo by salukidawg of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/rubber-mount-sportster-motorcycle-talk-2004-2006/16552-vibration-problem-solved-check-your-front-engine-mount-bolt/page21?t=27701&page=21)) | 1 year old (2011) 1200C front mount sag. ((photo by GlockDoc of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/rubber-mount-sportster-motorcycle-talk-2004-2006/16552-vibration-problem-solved-check-your-front-engine-mount-bolt/page28?t=27701&page=28)) | |
| |{{:techtalk:ref:genmsr:04_motor_mount_bolt_by_salukidawg.jpg?direct&200|}}|{{:techtalk:ref:genmsr:2011_1200c_front_motor_mount_by_glockdoc.jpg?direct&300|}}| | |{{:techtalk:ref:genmsr:04_motor_mount_bolt_by_salukidawg.jpg?direct&200|}}|{{:techtalk:ref:genmsr:2011_1200c_front_motor_mount_by_glockdoc.jpg?direct&300|}}| | ||
| - | Check the top isolator link mount bolts (the ones that bolt to top of the front head). ((gronk62 of the XLFORUM http://xlforum.net/forums/showthread.php?t=27701&page=4)) \\ | + | Check the top isolator link mount bolts (the ones that bolt to top of the front head). ((gronk62 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/rubber-mount-sportster-motorcycle-talk-2004-2006/16552-vibration-problem-solved-check-your-front-engine-mount-bolt/page4?t=27701&page=4)) \\ |
| If they come loose, add some blue Loctite to the threads and re-torque them. \\ | If they come loose, add some blue Loctite to the threads and re-torque them. \\ | ||
| ===== Handlebars ===== | ===== Handlebars ===== | ||
| - | Handle bars are kind of like tuning forks. ((Moved On of the XLFORUM http://xlforum.net/forums/showthread.php?t=45811&page=2)) \\ | + | Handle bars are kind of like tuning forks. ((Moved On of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-suspension-frame-forks-handlebars-fuel-tank-oil-tank-fenders/27681-nickels-in-the-handlebars/page2?t=45811&page=2)) \\ |
| They'll have a place that they want to resonate. \\ | They'll have a place that they want to resonate. \\ | ||
| To change the resonant frequency one can either lengthen the forks or weight them down. \\ | To change the resonant frequency one can either lengthen the forks or weight them down. \\ | ||
| Line 176: | Line 176: | ||
| These are not a fix to end all problems, but to possibly lesson some of them if you're having excessive vibration problems in the bars. \\ | These are not a fix to end all problems, but to possibly lesson some of them if you're having excessive vibration problems in the bars. \\ | ||
| - | * **Inspect / Replace the mounting bushings**: \\ There should be a certain amount of "play" that the OEM rubber bushings should have when installed. ((Alexintenn of the XLFORUM http://xlforum.net/forums/showthread.php?t=2005987)) \\ If they are tightened too much, with zero slack in the bushings, the rubber is compressed and you essentially have a rigid mounted bar. \\ The over-compression of the rubber bushings negate the ability of them to help with the vibration. \\ If you loosen the bars enough to have more play, it helps a lot. \\ And, since some use use a bolt which feeds up into the risers, there is no nut on the bottom to loosen. ((RussW of the XLFORUM http://xlforum.net/forums/showthread.php?t=2005987)) | + | * **Inspect / Replace the mounting bushings**: \\ There should be a certain amount of "play" that the OEM rubber bushings should have when installed. ((Alexintenn of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/188257-handlebar-vibes-solution?t=2005987)) \\ If they are tightened too much, with zero slack in the bushings, the rubber is compressed and you essentially have a rigid mounted bar. \\ The over-compression of the rubber bushings negate the ability of them to help with the vibration. \\ If you loosen the bars enough to have more play, it helps a lot. \\ And, since some use use a bolt which feeds up into the risers, there is no nut on the bottom to loosen. ((RussW of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/188257-handlebar-vibes-solution?t=2005987)) |
| - | * The compression of the bushing is dictated by the thickness of the top clamp and the length of the spacer in the bushings. \\ There are steel caps that cover the bushings. That is your bolt spacer and your torque guide. ((einheit 13 of the XLFORUM http://xlforum.net/forums/showthread.php?t=2005987)) \\ Those washers are 'shouldered' to wrap around the outside of the bushing. This keeps them from wallowing around. \\ If the bushings are worn out or the washers are deformed-it's a losing battle. \\ You are either gonna have bad vibes or 'rowing' bars. | + | * The compression of the bushing is dictated by the thickness of the top clamp and the length of the spacer in the bushings. \\ There are steel caps that cover the bushings. That is your bolt spacer and your torque guide. ((einheit 13 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/188257-handlebar-vibes-solution?t=2005987)) \\ Those washers are 'shouldered' to wrap around the outside of the bushing. This keeps them from wallowing around. \\ If the bushings are worn out or the washers are deformed-it's a losing battle. \\ You are either gonna have bad vibes or 'rowing' bars. |
| * You put enough pressure on them to compress the collars and stop when you see the washers starting to flex. \\ These washers get deformed from people cranking down on the bolts. \\ If the bolts don't fit snugly in the bushings, you need sleeves. \\ You can do this with some kind of metal tubing, heat shrink tubing, electrical tape, or a larger bolt. \\ Ace Hardware has a pretty good selection of bronze, rubber, and neoprene bushings also. | * You put enough pressure on them to compress the collars and stop when you see the washers starting to flex. \\ These washers get deformed from people cranking down on the bolts. \\ If the bolts don't fit snugly in the bushings, you need sleeves. \\ You can do this with some kind of metal tubing, heat shrink tubing, electrical tape, or a larger bolt. \\ Ace Hardware has a pretty good selection of bronze, rubber, and neoprene bushings also. | ||
| - | * **You can try and shim the bushings** to get the bolts tight without compressing the bushing too much. ((RussW2 of the XLFORUM http://xlforum.net/forums/showthread.php?t=2005987)) \\ You might try a compression sealing washer from an Evo or other Big Twin spark plug for a shim washer to use on the mounting bolts. \\ You can stack a few of them (two, maybe three per bolt) until you get the right amount of play. \\ Then, torque the bolts to spec and not have the bars feel like they are "solid" rubber mounted. | + | * **You can try and shim the bushings** to get the bolts tight without compressing the bushing too much. ((RussW2 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/188257-handlebar-vibes-solution?t=2005987)) \\ You might try a compression sealing washer from an Evo or other Big Twin spark plug for a shim washer to use on the mounting bolts. \\ You can stack a few of them (two, maybe three per bolt) until you get the right amount of play. \\ Then, torque the bolts to spec and not have the bars feel like they are "solid" rubber mounted. |
| * The bushing shim effectively adds length of the inner sleeve. \\ The shouldered washer then goes over the shims, and you now prevent the over-compression of the rubber bushing. \\ You can torque to spec without distorting the shouldered washers. | * The bushing shim effectively adds length of the inner sleeve. \\ The shouldered washer then goes over the shims, and you now prevent the over-compression of the rubber bushing. \\ You can torque to spec without distorting the shouldered washers. | ||
| - | | Bushing shim ((photo by RussW2 of the XLFORUM http://xlforum.net/forums/showthread.php?t=2005987&page=2)) | | + | | Bushing shim ((photo by RussW2 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/188257-handlebar-vibes-solution/page2?t=2005987&page=2)) | |
| |{{:techtalk:ref:genmsr:handlebar_bushing_shim_by_russw2.jpg?direct&300|}}| | |{{:techtalk:ref:genmsr:handlebar_bushing_shim_by_russw2.jpg?direct&300|}}| | ||
| * You can also lesson some vibration in the bars by replacing the stock mounts with polyurethane bushings. | * You can also lesson some vibration in the bars by replacing the stock mounts with polyurethane bushings. | ||
| - | * This is a debatable answer however. Some have reported the poly-bushings made the vibes worse. ((Alexintenn of the XLFORUM http://xlforum.net/forums/showthread.php?t=2005987)) | + | * This is a debatable answer however. Some have reported the poly-bushings made the vibes worse. ((Alexintenn of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/188257-handlebar-vibes-solution?t=2005987)) |
| - | | Poly bushings on an 09 1200N. ((photo by IronSportMan of the XLFORUM http://xlforum.net/forums/showthread.php?t=27701&page=25)) | | + | | Poly bushings on an 09 1200N. ((photo by IronSportMan of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/rubber-mount-sportster-motorcycle-talk-2004-2006/16552-vibration-problem-solved-check-your-front-engine-mount-bolt/page25?t=27701&page=25)) | |
| |{{:techtalk:ref:genmsr:poly_handlebar_bushings_by_ironsportman.jpg?direct&300|}}| | |{{:techtalk:ref:genmsr:poly_handlebar_bushings_by_ironsportman.jpg?direct&300|}}| | ||
| - | * **Adding weight in one form or another the handlebar ends**: \\ With internal weights, fill the bars with enough silicon to fully encase the weight. \\ That way, the weights touch the bars and they harmonize the vibs better. ((flathead45 of the XLFORUM http://xlforum.net/forums/showthread.php?t=107653)) | + | * **Adding weight in one form or another the handlebar ends**: \\ With internal weights, fill the bars with enough silicon to fully encase the weight. \\ That way, the weights touch the bars and they harmonize the vibs better. ((flathead45 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-suspension-frame-forks-handlebars-fuel-tank-oil-tank-fenders/42228-pennies-in-handlebars?t=107653)) |
| - | - When replacing the grips, you can tape up 2 rolls of pennies (or nickels if they'll fit) and slip one inside each handlebar end. ((Old_Goat57 of the XLFORUM http://xlforum.net/forums/showthread.php?t=45811)) | + | - When replacing the grips, you can tape up 2 rolls of pennies (or nickels if they'll fit) and slip one inside each handlebar end. ((Old_Goat57 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-suspension-frame-forks-handlebars-fuel-tank-oil-tank-fenders/27681-nickels-in-the-handlebars?t=45811)) |
| - | * Wrap the rolls in electrical tape (making a solid slug) and then a little dab of RTV on each end to glue them into place. ((Moved On of the XLFORUM http://xlforum.net/forums/showthread.php?t=45811&page=5)) | + | * Wrap the rolls in electrical tape (making a solid slug) and then a little dab of RTV on each end to glue them into place. ((Moved On of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-suspension-frame-forks-handlebars-fuel-tank-oil-tank-fenders/27681-nickels-in-the-handlebars/page5?t=45811&page=5)) |
| - | * In adding silicone in the hole, then shoving the pennies in, ((Massdog05 of the XLFORUM http://xlforum.net/forums/showthread.php?t=45811)), the silicone gives cushion between the pennies and the bar. ((Massdog05 of the XLFORUM http://xlforum.net/forums/showthread.php?t=45811&page=3)) \\ As the bar pushes forward (in the course of vibrating), the pennies try to remain still. \\ The silicone between the bar and pennies compresses and elastically collides with the pennies. \\ This lessens the momentum applied to the pennies, thus lessening the forward movement of the bar. \\ Same for the other direction ----> Equals less of the annoying vibrations. | + | * In adding silicone in the hole, then shoving the pennies in, ((Massdog05 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-suspension-frame-forks-handlebars-fuel-tank-oil-tank-fenders/27681-nickels-in-the-handlebars?t=45811)), the silicone gives cushion between the pennies and the bar. ((Massdog05 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-suspension-frame-forks-handlebars-fuel-tank-oil-tank-fenders/27681-nickels-in-the-handlebars/page3?t=45811&page=3)) \\ As the bar pushes forward (in the course of vibrating), the pennies try to remain still. \\ The silicone between the bar and pennies compresses and elastically collides with the pennies. \\ This lessens the momentum applied to the pennies, thus lessening the forward movement of the bar. \\ Same for the other direction ----> Equals less of the annoying vibrations. |
| * It should significantly reduce vibration transmitted to the grips while riding. \\ The thing that this trick does to help with the vibrations is to lower the resonant frequency of the bars so that it doesn't buzz your nerves to numbness. \\ | * It should significantly reduce vibration transmitted to the grips while riding. \\ The thing that this trick does to help with the vibrations is to lower the resonant frequency of the bars so that it doesn't buzz your nerves to numbness. \\ | ||
| - | - You can wrap the ends of two steel rods with rubber tape until they fit in the bars snugly (not tight). \\ Cover them with silicone / construction adhesive and shove them in the bars until flush. ((Mark1200 of the XLFORUM http://xlforum.net/forums/showthread.php?t=1687153)) | + | - You can wrap the ends of two steel rods with rubber tape until they fit in the bars snugly (not tight). \\ Cover them with silicone / construction adhesive and shove them in the bars until flush. ((Mark1200 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/157642-handlebar-vibration-what-have-yall-done-to-stop-it?t=1687153)) |
| - You can buy a set of bar end weights. | - You can buy a set of bar end weights. | ||
| - | * [[http://www.barsnake.com/|Barsnake]] is a very thick rubber which is installed inside your handlebars to reduce vibration. \\ Available in solid form, or as a liquid which is poured into the bars and then solidifies. ((ron521 of the XLFORUM http://xlforum.net/forums/showthread.php?t=305328)) | + | * [[http://www.barsnake.com/|Barsnake]] is a very thick rubber which is installed inside your handlebars to reduce vibration. \\ Available in solid form, or as a liquid which is poured into the bars and then solidifies. ((ron521 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/57852-bolt-on-vibration-dampers?t=305328)) |
| ===== Horn ===== | ===== Horn ===== | ||
| **Symptom**. \\ | **Symptom**. \\ | ||
| Front cylinder noise. \\ | Front cylinder noise. \\ | ||
| - | May sound like a noisy lifter or piston slap at certain revs. ((imola461 of the XLFORUM http://xlforum.net/forums/showthread.php?t=34886)) \\ | + | May sound like a noisy lifter or piston slap at certain revs. ((imola461 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-motor-top-end/21131-loud-front-cylinder-noise?t=34886)) \\ |
| **Condition**. \\ | **Condition**. \\ | ||
| Line 229: | Line 228: | ||
| |{{:techtalk:ref:svcproc:rubber_mount_for_fuel_tank_by_ironmick.jpg?direct&300|}}| | |{{:techtalk:ref:svcproc:rubber_mount_for_fuel_tank_by_ironmick.jpg?direct&300|}}| | ||
| - | Another source of fuel tank noise is a gas cap that doesn't fit tightly. ((83XLX of the XLFORUM http://xlforum.net/forums/showthread.php?t=832376 )) \\ | + | Another source of fuel tank noise is a gas cap that doesn't fit tightly. ((83XLX of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/98047-ironhead-noise#post2036154)) \\ |
| You can also push on the tank or the cap while riding to check for noise. \\ | You can also push on the tank or the cap while riding to check for noise. \\ | ||
| Also, the tank itself will amplify the normal racket when it's near empty, even though it and the cap are tight. \\ | Also, the tank itself will amplify the normal racket when it's near empty, even though it and the cap are tight. \\ | ||
| Line 235: | Line 234: | ||
| ===== Oil Tank ===== | ===== Oil Tank ===== | ||
| - | |||
| **Symptom**: \\ | **Symptom**: \\ | ||
| Rattling noise on the right side of the bike. \\ | Rattling noise on the right side of the bike. \\ | ||
| **Condition**: \\ | **Condition**: \\ | ||
| - | Loose oil tank cover. ((screndname of the XLFORUM http://xlforum.net/forums/showthread.php?p=5740152#post5740152)) \\ | + | Loose oil tank cover. ((screndname of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-general-discussion-and-problems/196416-what%C2%92s-that-sound/page3#post4287421)) \\ |
| + | You can glue a piece of rubber to the inside of the cover. \\ | ||
| - | You can glue a piece of rubber to the inside of the cover. \\ | ||
| ====== Noises From Loose Objects ====== | ====== Noises From Loose Objects ====== | ||
