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  1. #31
    The Mod Father
    Join Date
    Apr 2016
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    Lisburn.,Northern Ireland

    Re: Broken Swing Arm

    ..Tim,....and it looks like a very clean 'shear' type break....and below the weld..

    Really weird.....(and scary too.!)

    I'd love to see someone try to replicate it on an old scrap arm....(like the opposite side of this one..)
    "A change in behaviour begins when Jesus changes our heart "

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  2. #32
    Devils’ Advocate
    Join Date
    Aug 2001
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    Large and Prickley

    Re: Broken Swing Arm

    Quote Originally Posted by BG Wells View Post
    ..Tim,....and it looks like a very clean 'shear' type break....and below the weld..

    Really weird.....(and scary too.!)

    I'd love to see someone try to replicate it on an old scrap arm....(like the opposite side of this one..)
    Easy.
    Loosen an eccentric.
    Try to loosen a rusted on nut.
    It'll twist all weird.
    Tighten the eccentrics while out of synch.
    THEN take an impact to the axle nut.

    It'll crack somewhere.

    ooooooooooooo

    WARNING: ELS Products MAY CONTAIN, or be Made With, Patented Parts, Tools, Components and/or Apparati. Manufacturing Facility DOES Contain Nuts.

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    602-397-4869.

  3. #33
    2009 Hooligan of the year
    Join Date
    Sep 2001
    Location
    Austin, TX

    Re: Broken Swing Arm

    I seriously doubt that could be replicated. I'm thinking this may be a manufacturing defect that finally gave up the ghost. Maybe something resulting from or a metal condition worsened by the welding?

  4. #34
    2009 Hooligan of the year
    Join Date
    Sep 2001
    Location
    Austin, TX

    Re: Broken Swing Arm

    Quote Originally Posted by KWICK View Post
    Tighten the eccentrics while out of synch.

    Ah, ha! Somebody strung this bike and convinced themselves that the eccentrics were several notches off. This is the result of years of running with the eccentrics out of sync!



  5. #35
    The Mod Father
    Join Date
    Apr 2016
    Location
    Lisburn.,Northern Ireland

    Re: Broken Swing Arm

    Quote Originally Posted by BG Wells View Post
    To me it looks like maybe the tyre place tried to loosen the axle on just one side causing one eccentric to twist round breaking its housing in the swingarm due to the asymmetric relationship of the axle in the eccentric..

    BG Wells.
    Quote Originally Posted by KWICK View Post
    Easy.
    Loosen an eccentric.
    Try to loosen a rusted on nut.
    It'll twist all weird.
    Tighten the eccentrics while out of synch.
    THEN take an impact to the axle nut.

    It'll crack somewhere.
    Yeah....but it is kinda strange none of us have Ever seen that before...?

    You'd have though some hamfisted wrenching would have thrown that up somewhere before now.?

    Maybe Chris has a point and there was metal fatigue../ defect perhaps.. ?
    Last edited by BG Wells; 05-31-2019 at 02:42 AM.
    "A change in behaviour begins when Jesus changes our heart "

    Carina Wells (Mum)
    RIP.

    April 2017 BOTM~2017 BOTY
    August 2019 BOTM..
    #10080

  6. #36
    Moderator
    Thixotropic Hooligan

    Join Date
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    oscillating in TN ARK MISS

    Re: Broken Swing Arm

    Quote Originally Posted by zrx24 View Post
    Ah, ha! Somebody strung this bike and convinced themselves that the eccentrics were several notches off. This is the result of years of running with the eccentrics out of sync!


    Where is Loyd when you need him.

    I can't imagine using an impact on a motorcycle ever.
    Do your own thing but don't touch mine.



    Member # 10

    Hal #8 RIP


  7. #37
    Devils’ Advocate
    Join Date
    Aug 2001
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    Large and Prickley

    Re: Broken Swing Arm

    Quote Originally Posted by ClayX View Post
    Where is Loyd when you need him.

    I can't imagine using an impact on a motorcycle ever.
    I use a Dewalt 3/8" 20V Max on EVERY set of carbs I work on.

    It's my favorite, and most used, tool.

    ooooooooooooo

    WARNING: ELS Products MAY CONTAIN, or be Made With, Patented Parts, Tools, Components and/or Apparati. Manufacturing Facility DOES Contain Nuts.

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    602-397-4869.

  8. #38
    BadAss Hooligan
    Join Date
    Oct 2003
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    03076 / 33917

    Re: Broken Swing Arm

    Quote Originally Posted by ClayX View Post
    Where is Loyd when you need him.

    I can't imagine using an impact on a motorcycle ever.
    You've never worked on the primary of a Harley Davidson.

    But then again the front sprocket on a ZRX comes off a whole lot easier with an impact wrench.
    ZRX 1200R 7/2003 -5/15/2015 (sold to a good home)

    ZZR1200 April 2009 -September 2014 (dealer trade in)

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  9. #39
    Devils’ Advocate
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    Aug 2001
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    Large and Prickley

    Re: Broken Swing Arm

    Quote Originally Posted by Neggy View Post
    You've never worked on the primary of a Harley Davidson.

    But then again the front sprocket on a ZRX comes off a whole lot easier with an impact wrench.
    The trick is being familiar with your impacts. I used to be able to get within 5 ft/lbs of 105 ft/lbs on my Saleen wheels.

    ooooooooooooo

    WARNING: ELS Products MAY CONTAIN, or be Made With, Patented Parts, Tools, Components and/or Apparati. Manufacturing Facility DOES Contain Nuts.

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    Pete Aronson
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    Tempe, AZ 85284
    602-397-4869.

  10. #40
    avtech3d
    Join Date
    Jun 2012
    Location
    Chandler, Arizona 85286

    Re: Broken Swing Arm

    I'm surprised the threads survived the amount of torque required to brake that piece.

    I'm no metalurgust, and never broke one, so maybe it breaks easier than I think.
    Member #9225
    99 ZRX1100

  11. #41
    BadAss Hooligan
    Join Date
    Jul 2015
    Location
    Lakewood, CO

    Re: Broken Swing Arm

    When I had my pr4's put on I took advantage of the deal the place offered, they worked with a shop next door that installed them. When I got the bike I noticed that the guy did not line up the rear axle properly, no biggie to me considering I lived down the street. I got home, jacked the bike up and corrected the axle I also concluded that next time I will not bring the bike in when I have to put new rubber on her.

    Instead just the wheels themselves.

    This thread just reminded me as to why I will not allow a shop to remove and install my wheels/tires from the bike, unless I know they know what they are doing and are considerate of basic torque recommendations.

  12. #42
    Super Moderator
    Hooligan Paramedic &
    Master Biscuit Maker

    Join Date
    Jun 2003
    Location
    Franklin TN

    Re: Broken Swing Arm

    Quote Originally Posted by MagicMan View Post
    When I had my pr4's put on I took advantage of the deal the place offered, they worked with a shop next door that installed them. When I got the bike I noticed that the guy did not line up the rear axle properly, no biggie to me considering I lived down the street. I got home, jacked the bike up and corrected the axle I also concluded that next time I will not bring the bike in when I have to put new rubber on her.

    Instead just the wheels themselves.

    This thread just reminded me as to why I will not allow a shop to remove and install my wheels/tires from the bike, unless I know they know what they are doing and are considerate of basic torque recommendations.
    The messed up thing is that you don't have to touch the eccentrics or pinch bolt to remove and replace the wheel. Just loosen the axle and pull it out
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  13. #43
    BadAss Hooligan
    Join Date
    Oct 2003
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    03076 / 33917

    Re: Broken Swing Arm

    Quote Originally Posted by KWICK View Post
    The trick is being familiar with your impacts. I used to be able to get within 5 ft/lbs of 105 ft/lbs on my Saleen wheels.
    My 3/8 " Milwaukee M12 is great for putting wheels back on... I use the M18 1/2 high torque to remove them... even on the lowest setting it hits them pretty hard which is why unless it is the wheels on my plow truck I don't use it to put things back on.

    My old blue point air tools I can tell by ear what the torque is going to be....
    ZRX 1200R 7/2003 -5/15/2015 (sold to a good home)

    ZZR1200 April 2009 -September 2014 (dealer trade in)

    2017 Concours 14 ( June 2018 -current)
    HD 2013 FLHTK Stage 4 ( Sept 2014-Current)
    HD 2003 FLHTCI cammed. closed loop FI, upgraded suspension ( Sept 2005 - current)

  14. #44
    Moderator
    Thixotropic Hooligan

    Join Date
    Sep 2001
    Location
    oscillating in TN ARK MISS

    Re: Broken Swing Arm

    Quote Originally Posted by Neggy View Post
    My 3/8 " Milwaukee M12 is great for putting wheels back on... I use the M18 1/2 high torque to remove them... even on the lowest setting it hits them pretty hard which is why unless it is the wheels on my plow truck I don't use it to put things back on.

    My old blue point air tools I can tell by ear what the torque is going to be....
    I have one those m12 3/8 drive but I did not know to call it an impact.
    Maybe it is not an impact just a ratchet. Impact to me means air and damage.
    Do your own thing but don't touch mine.



    Member # 10

    Hal #8 RIP


  15. #45
    BadAss Hooligan
    Join Date
    Jul 2015
    Location
    Lakewood, CO

    Re: Broken Swing Arm

    Quote Originally Posted by Tacmedic View Post
    The messed up thing is that you don't have to touch the eccentrics or pinch bolt to remove and replace the wheel. Just loosen the axle and pull it out



    Pull out without spitting on it?



    I forgot, it's the other way around...


    I will have to try it like that, I always loosened the eccentrics so I can pull the chain off the sprocket.

  16. #46
    Super Moderator
    Hooligan Paramedic &
    Master Biscuit Maker

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    Jun 2003
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    Re: Broken Swing Arm

    Quote Originally Posted by MagicMan View Post


    Pull out without spitting on it?



    I forgot, it's the other way around...


    I will have to try it like that, I always loosened the eccentrics so I can pull the chain off the sprocket.
    Just pull the axle, then let the wheel go forward to remove the chain. No need to spit on it

    Make a fast friend. Adopt a retired racing Greyhound

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    Or PM me for details

  17. #47
    Weirdly Peculiar
    Join Date
    Apr 2008
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    Where am I?

    Re: Broken Swing Arm

    The chain will have to be broken to change the swingarm... I apologize if I missed something...
    2000 Green, 1109, Mikuni 38mm TMR-MJN's, Yosh pipe, ZX-11 cams, Pods, ZX-11 Ignitor, Kwick Kill, Tealdo Stick Coils, Wyn's Sprocket Cover, Ted's Battery Out, MonkeyPincher Rack

    2010 Concours 14 ABS Ball Coddler "The Velvet Missle", 151 HP, lots 'o mods

    "A man's got to know his limitations" Dirty Harry

    He who is right all the time is never always right.

  18. #48
    BadAss Hooligan
    Join Date
    Jul 2015
    Location
    Lakewood, CO

    Re: Broken Swing Arm

    Quote Originally Posted by Tacmedic View Post
    Just pull the axle, then let the wheel go forward to remove the chain. No need to spit on it




    Soo wise you are Tacmedic,...

    Thanks for the video, it totally explained how it all works


    Now if you can only tell me what the true meaning to life is?

  19. #49
    Super Moderator
    Hooligan Paramedic &
    Master Biscuit Maker

    Join Date
    Jun 2003
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    Franklin TN

    Re: Broken Swing Arm

    Quote Originally Posted by MagicMan View Post


    Soo wise you are Tacmedic,...

    Thanks for the video, it totally explained how it all works


    Now if you can only tell me what the true meaning to life is?
    You will never know until your home has a Plumbus
    Make a fast friend. Adopt a retired racing Greyhound

    www.greyhoundpets.org
    Or PM me for details

  20. #50
    BadAss Hooligan
    Join Date
    Jul 2015
    Location
    Lakewood, CO

    Re: Broken Swing Arm

    Quote Originally Posted by Tacmedic View Post
    You will never know until your home has a Plumbus


    Just ordered mine, got one for each bathroom

  21. #51
    The Mod Father
    Join Date
    Apr 2016
    Location
    Lisburn.,Northern Ireland

    Re: Broken Swing Arm

    I have good local tyre guys replace my tyres.....and they always have guys working there that only "do bikes"...

    Having said that......,I Never take "the Bike" in and let them work on it..........,

    "Only the wheels"., that I have removed myself..

    Never had a problem that way......(I'm usually 'standing over them' anyway.,and they don't mind as I have a good relationship with them)

    Besides.,they know what I'm like.. ..
    Last edited by BG Wells; 05-31-2019 at 04:36 AM.
    "A change in behaviour begins when Jesus changes our heart "

    Carina Wells (Mum)
    RIP.

    April 2017 BOTM~2017 BOTY
    August 2019 BOTM..
    #10080

  22. #52
    Devils’ Advocate
    Join Date
    Aug 2001
    Location
    Large and Prickley

    Re: Broken Swing Arm

    Quote Originally Posted by ClayX View Post
    I have one those m12 3/8 drive but I did not know to call it an impact.
    Maybe it is not an impact just a ratchet. Impact to me means air and damage.
    I have a high torque 1/2" SnapOn air rattle gun...I use it for everything but carbs...mainly because it is heavy and you trip over the hose.
    .

    ooooooooooooo

    WARNING: ELS Products MAY CONTAIN, or be Made With, Patented Parts, Tools, Components and/or Apparati. Manufacturing Facility DOES Contain Nuts.

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    Tempe, AZ 85284
    602-397-4869.

  23. #53
    BadAss Hooligan
    Join Date
    May 2015
    Location
    Birmingham, AL

    Re: Broken Swing Arm

    Quote Originally Posted by ClayX View Post
    Where is Loyd when you need him.

    I can't imagine using an impact on a motorcycle ever.
    Really... I assume you never worked on M/C or Cars for a living? They cut time in half if not more and when your working on flat rate or commission time is YOUR money.

    You can bust your ass trying to get a bolt loose with a ratchet... then another trip to the tool box for the breaker bar... but walk up to it with the impact and it's out in a second or two.

    Wayne

  24. #54
    Moderator
    Thixotropic Hooligan

    Join Date
    Sep 2001
    Location
    oscillating in TN ARK MISS

    Re: Broken Swing Arm

    Quote Originally Posted by BAMA-ZRX View Post
    Really... I assume you never worked on M/C or Cars for a living? They cut time in half if not more and when your working on flat rate or commission time is YOUR money.

    You can bust your ass trying to get a bolt loose with a ratchet... then another trip to the tool box for the breaker bar... but walk up to it with the impact and it's out in a second or two.

    Wayne
    Wayne I have never been paid to work on machines, unless you consider working on your own equipment being paid. I saw the damage done by impacts early in life and decided to never use one. I was forced to get an impact driven by a hammer to do a few jobs but not many. Plus I have to wear earplugs at most facilities and enjoy the quiet sound of my groans when working in the shop. I have been the mechanic for 35 years for all company vehicles (5) and all my bikes. I don't do dental or heart but most other things yes, I can remove skin tags due to having a supply of scalpels. I can stitch if given the supplies, but that is old school.

    Don't get me wrong I understand the need for impacts especially when earning money.

    On a side note the M12 ratchet that I just bought got away from me and gave a serious blood blister in the palm on first use.
    Do your own thing but don't touch mine.



    Member # 10

    Hal #8 RIP


  25. #55
    Devils’ Advocate
    Join Date
    Aug 2001
    Location
    Large and Prickley

    Re: Broken Swing Arm

    Quote Originally Posted by ClayX View Post
    Wayne I have never been paid to work on machines, unless you consider working on your own equipment being paid. I saw the damage done by impacts early in life and decided to never use one. I was forced to get an impact driven by a hammer to do a few jobs but not many. Plus I have to wear earplugs at most facilities and enjoy the quiet sound of my groans when working in the shop. I have been the mechanic for 35 years for all company vehicles (5) and all my bikes. I don't do dental or heart but most other things yes, I can remove skin tags due to having a supply of scalpels. I can stitch if given the supplies, but that is old school.

    Don't get me wrong I understand the need for impacts especially when earning money.

    On a side note the M12 ratchet that I just bought got away from me and gave a serious blood blister in the palm on first use.
    You should ONLY use combination wrenches when you work on bikes.
    Ratchets are the Devil's Tools.

    No speed handles either....Satan invented those...

    ooooooooooooo

    WARNING: ELS Products MAY CONTAIN, or be Made With, Patented Parts, Tools, Components and/or Apparati. Manufacturing Facility DOES Contain Nuts.

    PayPal to: Pete@Hyper-Formance.com
    Or: www.PayPal.me/KWICK
    Pete Aronson
    315 West Elliot Road
    Suites 107-487
    Tempe, AZ 85284
    602-397-4869.

  26. #56
    Moderator
    Thixotropic Hooligan

    Join Date
    Sep 2001
    Location
    oscillating in TN ARK MISS

    Re: Broken Swing Arm

    Quote Originally Posted by KWICK View Post
    You should ONLY use combination wrenches when you work on bikes.
    Ratchets are the Devil's Tools.

    No speed handles either....Satan invented those...
    Is there a brand you recommend? the sockets were for torquing the banjo bolts on the new fancy oil lines I just got.
    Attached Images  
    Do your own thing but don't touch mine.



    Member # 10

    Hal #8 RIP


  27. #57
    Super Moderator
    Hooligan Paramedic &
    Master Biscuit Maker

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    Jun 2003
    Location
    Franklin TN

    Re: Broken Swing Arm

    Quote Originally Posted by KWICK View Post
    You should ONLY use combination wrenches when you work on bikes.
    Ratchets are the Devil's Tools.

    No speed handles either....Satan invented those...
    I only use chop sticks
    Make a fast friend. Adopt a retired racing Greyhound

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  28. #58
    BadAss Hooligan
    Join Date
    Jul 2015
    Location
    Lakewood, CO

    Re: Broken Swing Arm

    Quote Originally Posted by Tacmedic View Post
    I only use chop sticks

    That's how the Japanese engineers do it

  29. #59
    BadAss Hooligan
    Join Date
    Aug 2008
    Location
    oakland county michigan

    Re: Broken Swing Arm

    Quote Originally Posted by avtech2 View Post
    I'm surprised the threads survived the amount of torque required to brake that piece.

    I'm no metalurgust, and never broke one, so maybe it breaks easier than I think.
    I don't think you could over torque it without stripping the threads. You already have a junk swingarm see how much torque the other side will take to strip or break.

  30. #60
    2009 Hooligan of the year
    Join Date
    Sep 2001
    Location
    Austin, TX

    Re: Broken Swing Arm

    Quote Originally Posted by ClayX View Post
    Is there a brand you recommend? the sockets were for torquing the banjo bolts on the new fancy oil lines I just got.
    I really like these “cross force” wrenches.

    https://www.amazon.com/d/Combination...ece/B007KHGTN8


    My preference though is a six point box end over a twelve point. I have a set of those as well, which I use most. They’re not the “cross force” style though.


 

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