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techtalk:ref:genmsr05 [2022/11/21 02:58] hippysmack [Connecting Rods / Crankshaft / Flywheels] |
techtalk:ref:genmsr05 [2024/01/15 19:53] hippysmack |
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| See also [[techtalk:ref:genmsr06#using_a_stethoscope_or_other_to_hunt_down_engine_noises|Using a Stethoscope or Other to Hunt Down Engine Noises]] in the REF section of the Sportsterpedia. \\ | See also [[techtalk:ref:genmsr06#using_a_stethoscope_or_other_to_hunt_down_engine_noises|Using a Stethoscope or Other to Hunt Down Engine Noises]] in the REF section of the Sportsterpedia. \\ | ||
| - | Noise and Vibration are normal for a Harley. ((Recon Dad of the XLFORUM http://xlforum.net/forums/showthread.php?t=823082)) \\ | + | Noise and Vibration are normal for a Harley. ((Recon Dad 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)) \\ |
| - | In fact, they are an amalgamation of vibration, sort of a syncopated pandemonium. ((Ireeman of the XLFORUM http://xlforum.net/forums/showthread.php?t=2072940&page=3)) \\ | + | In fact, they are an amalgamation of vibration, sort of a syncopated pandemonium. ((Ireeman of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-general-discussion-and-problems/196416-what%C2%92s-that-sound/page3?t=2072940&page=3)) \\ |
| - | Harmful noises are hard to determine without a well trained ear and these engines make a lot of noise anyway. ((milmat1 of the XLFORUM http://xlforum.net/forums/showthread.php?p=1902363&highlight=stethoscope#post1902363)) \\ | + | Harmful noises are hard to determine without a well trained ear and these engines make a lot of noise anyway. ((milmat1 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/72005-knocking-apparently-big-end?highlight=stethoscope#post1506806)) \\ |
| Plus the sound travels through the cases to places other than where it originates. \\ | Plus the sound travels through the cases to places other than where it originates. \\ | ||
| So critical listening is a must as a noise on one side of the engine may sound more like another area instead. \\ | So critical listening is a must as a noise on one side of the engine may sound more like another area instead. \\ | ||
| - | There was an article in Cycle World back in '83 that said the noises a healthy Ironhead makes would be considered terminal on other makes. ((83XLX of the XLFORUM http://xlforum.net/forums/showthread.php?t=832376)) \\ | + | There was an article in Cycle World back in '83 that said the noises a healthy Ironhead makes would be considered terminal on other makes. ((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?t=832376)) \\ |
| In becoming familiar with the "normal" noises, you can just keep an ear out for abnormal ones as you're speeding down the road. \\ | In becoming familiar with the "normal" noises, you can just keep an ear out for abnormal ones as you're speeding down the road. \\ | ||
| - | They all sound a little different though, which is really unique. ((fergerburger of the XLFORUM http://xlforum.net/forums/showthread.php?t=832376)) \\ | + | They all sound a little different though, which is really unique. ((fergerburger 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?t=832376)) \\ |
| - | Of course the closer you are to the point of origin of a noise the louder it will be. ((Ferrous Head of the XLFORUM http://xlforum.net/forums/showthread.php?t=977525&page=4)) \\ | + | Of course the closer you are to the point of origin of a noise the louder it will be. ((Ferrous Head of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/107497-using-a-stethoscope-to-listen-to-the-engine/page4?t=977525&page=4)) \\ |
| You sometimes get random noises too and they are generally chassis related. \\ | You sometimes get random noises too and they are generally chassis related. \\ | ||
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| Larger bearings like mains "rumble" when they are worn, but also if they aren't getting enough oil for whatever reason. \\ | Larger bearings like mains "rumble" when they are worn, but also if they aren't getting enough oil for whatever reason. \\ | ||
| - | | Mechanic stethoscope. ((photos by asasial of the XLFORUM http://xlforum.net/forums/showthread.php?t=977525&page=3)) | A wooden dowel for a listening tool. ((photos by Hippysmack)) | | + | | Mechanic stethoscope. ((photos by asasial of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/107497-using-a-stethoscope-to-listen-to-the-engine/page3?t=977525&page=3)) | A wooden dowel for a listening tool. ((photos by Hippysmack)) | |
| |{{:techtalk:ref:tools:stethoscope_1_by_asasial.jpg?direct&300|}}|{{:techtalk:ref:tools:listening_stick_2_by_hippysmack.jpg?direct&300|}}| | |{{:techtalk:ref:tools:stethoscope_1_by_asasial.jpg?direct&300|}}|{{:techtalk:ref:tools:listening_stick_2_by_hippysmack.jpg?direct&300|}}| | ||
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| ===== Critical Listening ===== | ===== Critical Listening ===== | ||
| - | |||
| If you find that it is an internal engine noise, don't go straight to your tool box and put your blinders on. ((HD Tech Tip dated April 1986)) \\ | If you find that it is an internal engine noise, don't go straight to your tool box and put your blinders on. ((HD Tech Tip dated April 1986)) \\ | ||
| It's hard to check oil pressure, cylinder compression, timing or locate the noise if the motor is in now little pieces. \\ | It's hard to check oil pressure, cylinder compression, timing or locate the noise if the motor is in now little pieces. \\ | ||
| Line 51: | Line 46: | ||
| ====== Comparing Noises From Other Bikes ====== | ====== Comparing Noises From Other Bikes ====== | ||
| - | 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 http://xlforum.net/forums/showthread.php?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)) \\ |
| * Closer tolerances allowed by liquid cooling. | * Closer tolerances allowed by liquid cooling. | ||
| Line 63: | Line 58: | ||
| ====== Noise From Vibration ====== | ====== Noise From Vibration ====== | ||
| - | Harley-Davidson uses a common crank pin, meaning that both pistons travel up and down together at the same time. ((xllent01 of the XLFORUM http://xlforum.net/forums/showthread.php?t=1721404)) \\ | + | Harley-Davidson uses a common crank pin, meaning that both pistons travel up and down together at the same time. ((xllent01 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-general-discussion-and-problems/160409-rpm-related-vibrations?t=1721404)) \\ |
| So all the weight is being thrown back and forth causing vibrations and the very particular “proprietary” sound or rumble. \\ | So all the weight is being thrown back and forth causing vibrations and the very particular “proprietary” sound or rumble. \\ | ||
| Keeping the motor above 3000 rpm's will smooth the vibrations out dramatically. \\ | Keeping the motor above 3000 rpm's will smooth the vibrations out dramatically. \\ | ||
| - | We can learn to live with it if we know what some of the symptoms are, or we can try to reduce it in many ways. ((xllent01 of the XLFORUM http://xlforum.net/forums/archive/index.php/t-3983.html)) \\ | + | We can learn to live with it if we know what some of the symptoms are, or we can try to reduce it in many ways. ((xllent01 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-general-discussion-and-problems/2652-what-s-all-the-deal-about-vibration)) \\ |
| Look for loose fasteners and hardware. \\ | Look for loose fasteners and hardware. \\ | ||
| The engine and transmission mounts that are loose especially the top motor mount. | The engine and transmission mounts that are loose especially the top motor mount. | ||
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| Timing can cause vibrations. \\ | Timing can cause vibrations. \\ | ||
| - | A lot of the vibration depends on the rpm and gear you are riding in. These motors do not like to be lugged. ((BWP 5p of the XLFORUM http://xlforum.net/forums/showthread.php?t=27701&page=27)) \\ | + | A lot of the vibration depends on the rpm and gear you are riding in. These motors do not like to be lugged. ((BWP 5p 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/page27?t=27701&page=27)) \\ |
| Move the timing 1 degree more advanced and test ride. Then move it one degree retarded from original setting and test ride. \\ | Move the timing 1 degree more advanced and test ride. Then move it one degree retarded from original setting and test ride. \\ | ||
| - | You will find you can tune out some vibrations at certain rpms moving the timing slightly. ((Shu of the XLFORUM http://xlforum.net/forums/showthread.php?t=1662083)) \\ | + | You will find you can tune out some vibrations at certain rpms moving the timing slightly. ((Shu 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/154889-speed-and-vibration?t=1662083)) \\ |
| Tires can cause vibrations. \\ | Tires can cause vibrations. \\ | ||
| - | Worn or under-inflated tires can develop cupping in the tread that can create a lot of vibes. ((Hexlobular of the XLFORUM http://xlforum.net/forums/showthread.php?t=1662083&page=2)) \\ | + | Worn or under-inflated tires can develop cupping in the tread that can create a lot of vibes. ((Hexlobular 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/154889-speed-and-vibration/page2?t=1662083&page=2)) \\ |
| You might not notice them all the time, but they can create a buzzy ride at certain speeds. \\ | You might not notice them all the time, but they can create a buzzy ride at certain speeds. \\ | ||
| Line 98: | Line 93: | ||
| ===== 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. \\ | ||
| Line 107: | Line 102: | ||
| 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. \\ | ||
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| **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**: \\ | ||
| Line 134: | Line 129: | ||
| 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 164: | Line 160: | ||
| 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. \\ | ||
| Line 674: | Line 670: | ||
| The primary is a big hollow chamber and it will amplify any noise coming from anywhere in the engine. ((KevinJ of the XLFORUM http://xlforum.net/forums/showthread.php?p=3399889&highlight=stethoscope#post3399889)) \\ | The primary is a big hollow chamber and it will amplify any noise coming from anywhere in the engine. ((KevinJ of the XLFORUM http://xlforum.net/forums/showthread.php?p=3399889&highlight=stethoscope#post3399889)) \\ | ||
| - | Primary Chain: \\ | + | * **Symptom: Whining or Chirping Noise** \\ A primary chain that's adjusted too tight can make a whining or chirping noise. Reportedly, the chirping noise can come on after some full throttle and hard shifting when the primary chain is too tight / bike hot. ((Gcram399 of the XLFORUM http://xlforum.net/forums/showthread.php?t=1529681&highlight=stethoscope&page=2)) \\ **Condition: Chain out of adjustment** \\ One method of adjusting a tight primary chain: With the bike hot and running in neutral, loosen the nut, turn the adjuster in until it starts to whine, then back it off 1/4 turn. ((wedge of the XLFORUM http://xlforum.net/forums/showthread.php?t=1529681&highlight=stethoscope)) Then ride it and make sure it's not whining any longer. \\ |
| - | **Symptoms**: \\ | + | * **Symptom: Rattling noise**. \\ A rattle that you cannot adjust out is a sign of a stretched chain. ((bitpusher of the XLFORUM http://xlforum.net/forums/showthread.php?t=1178157&highlight=stethoscope&page=2)). If your primary chain is too tight, that can cause a vibration that is felt in the pegs. ((semjpm of the XLFORUM http://xlforum.net/forums/showthread.php?t=27701&page=27)) \\ **Condition: Stretched Chain** |
| - | A primary chain that's adjusted too tight can make a whining or chirping noise. \\ | + | * **Symptom: Rattling or Squeaking Noise**. \\ The sprocket nut can work loose and the noise is from the rotor eating itself up on the crank splines. If it's bad enough, it can end up breaking the end of the crankshaft off. ((JstColli of the XLFORUM http://xlforum.net/forums/showthread.php?p=3399889&highlight=stethoscope#post3399889)) \\ **Condition: Loose sprocket nut**. \\ |
| - | Reportedly, the chirping noise can come on after some full throttle and hard shifting when the primary chain is too tight / bike hot. ((Gcram399 of the XLFORUM http://xlforum.net/forums/showthread.php?t=1529681&highlight=stethoscope&page=2)) \\ | + | * **Symptom: Squeaking Noise**. \\ A squeaking noise seemingly from the area of the generator. ((jmmarks70 of the XLFORUM http://xlforum.net/forums/showthread.php?t=1786179&highlight=motor+mount+noise&page=2)) \\ **Condition: Loose / damaged chain adjuster**. |
| - | Rattling noise. \\ | + | |
| - | A rattle that you cannot adjust out is a sign of a stretched chain. ((bitpusher of the XLFORUM http://xlforum.net/forums/showthread.php?t=1178157&highlight=stethoscope&page=2)) \\ | + | |
| - | If your primary chain is too tight, that can cause a vibration that is felt in the pegs. ((semjpm of the XLFORUM http://xlforum.net/forums/showthread.php?t=27701&page=27)) \\ | + | |
| - | **Condition**: \\ | + | | 75 primary adjuster damage. ((photos by jmmarks70 of the XLFORUM http://xlforum.net/forums/showthread.php?t=1786179&highlight=motor+mount+noise)) ||| |
| - | Chain out of adjustment. \\ | + | |{{:techtalk:ref:genmsr:75_primary_adjuster_damage_1_by_jmmarks70.jpg?direct&300|}}|{{:techtalk:ref:genmsr:75_primary_adjuster_damage_2_by_jmmarks70.jpg?direct&300|}}|{{:techtalk:ref:genmsr:75_primary_adjuster_damage_3_by_jmmarks70.jpg?direct&230|}}| |
| - | One method of adjusting a tight primary chain: ((wedge of the XLFORUM http://xlforum.net/forums/showthread.php?t=1529681&highlight=stethoscope)) \\ | + | \\ |
| - | With the bike hot and running in neutral, loosen the nut, turn the adjuster in until it starts to whine, then back it off 1/4 turn. \\ | + | |
| - | Then ride it and make sure it's not whining any longer. \\ | + | |
| - | Sprocket Nut: \\ | + | * **Symptom: Rattling Noise**. \\ Conv90 submitted video of noise from the primary side: \\ |
| + | {{:video:buell_noise_video_by_conv90.mp4|}} | ||
| - | **Symptom**: \\ | + | * **Symptom: Rattling Noise**. \\ The tensioner shoe can be loose and rock side to side enough to sound like a lifter problem. It will rock fore and aft into the primary cover. \\ From the cam side of the bike, it'll sound like it's a lifter bouncing around. It's a slow intermittent hollow banging noise. It may only make noise at idle when the chain is least tight. \\ |
| - | Rattling noise. \\ | + | * **Condition: Loose Primary Chain Adjuster Shoe**. \\ Below is a short video by Conv90 of the XLFORUM showing the hollow noise created. |
| - | **Condition**: \\ | + | {{:video:primary_chain_adjuster_shoe_noise_by_conv90.mp4|}} |
| - | Loose sprocket nut. ((JstColli of the XLFORUM http://xlforum.net/forums/showthread.php?p=3399889&highlight=stethoscope#post3399889)) \\ | + | |
| - | The sprocket nut can work loose and the noise is from the rotor eating itself up on the crank splines. \\ | + | \\ |
| - | If it's bad enough, it can end up breaking the end of the crankshaft off. \\ | + | |
| - | **Symptom**: \\ | + | * **Symptom: An extra and constant noise inside of the primary case**. \\ An extra and constant noise inside of the primary case (even / after adjustment of the primary chain adjuster). ((Spor-T-1 of the XLFORUM http://xlforum.net/forums/showthread.php?t=29865)) \\ **Condition: Loose compensator nut / flywheel sprocket shaft nut**. \\ Once the sprocket on that shaft gets loose enough, it will chew the end of your fly wheel. ((dodgenbullets of the XLFORUM http://xlforum.net/forums/showthread.php?t=29865)) If this is the case your motor must come out and the cases split to fix it. \\ |
| - | Squeaking noise seemingly from the area of the generator. ((jmmarks70 of the XLFORUM http://xlforum.net/forums/showthread.php?t=1786179&highlight=motor+mount+noise&page=2)) \\ | + | |
| - | + | ||
| - | **Condition**: \\ | + | |
| - | Loose / damaged chain adjuster. \\ | + | |
| - | + | ||
| - | | 75 primary adjuster damage. ((photos by jmmarks70 of the XLFORUM http://xlforum.net/forums/showthread.php?t=1786179&highlight=motor+mount+noise)) ||| | + | |
| - | |{{:techtalk:ref:genmsr:75_primary_adjuster_damage_1_by_jmmarks70.jpg?direct&300|}}|{{:techtalk:ref:genmsr:75_primary_adjuster_damage_2_by_jmmarks70.jpg?direct&300|}}|{{:techtalk:ref:genmsr:75_primary_adjuster_damage_3_by_jmmarks70.jpg?direct&230|}}| | + | |
| - | + | ||
| - | + | ||
| - | **Symptom**: \\ | + | |
| - | An extra and constant noise inside of the primary case (even / after adjustment of the primary chain adjuster). ((Spor-T-1 of the XLFORUM http://xlforum.net/forums/showthread.php?t=29865)) \\ | + | |
| - | + | ||
| - | **Condition**: \\ | + | |
| - | Loose compensator nut / flywheel sprocket shaft nut. \\ | + | |
| - | Once the sprocket on that shaft gets loose enough, it will chew the end of your fly wheel. ((dodgenbullets of the XLFORUM http://xlforum.net/forums/showthread.php?t=29865)) \\ | + | |
| - | If this is the case your motor must come out and the cases split to fix it. \\ | + | |
| ====== Transmission / Clutch ====== | ====== Transmission / Clutch ====== | ||
