Author Swingarm????  (Read 1110 times)

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  • Offline tonylynn570   gb

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    Offline tonylynn570

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    Swingarm????
    on: August 12, 2022, 01:39:06 pm
    August 12, 2022, 01:39:06 pm
    Good day fellow XR riders - do any of you guys know whether i can put a RR or R swinging arm in the XR - the XR swinging arm looks painfully thin to me - ideally wondering if its a straight swap or is any engineering required - thank you in advance for your help - Tony

  • Offline Antares   gb

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    Re: Swingarm????
    Reply #1 on: August 12, 2022, 01:54:59 pm
    August 12, 2022, 01:54:59 pm
    *Originally Posted by tonylynn570 [+]
    Good day fellow XR riders - do any of you guys know whether i can put a RR or R swinging arm in the XR - the XR swinging arm looks painfully thin to me - ideally wondering if its a straight swap or is any engineering required - thank you in advance for your help - Tony

    The XR swingarm is longer than R/RR not sure what you mean about it being thin, it's one lf the beefiest swingarms I've seen and definitely not a failure point. Dont forget some 250kg+ bikes still ran box section swingarms with 1-2mm thin walls without any issues

  • Offline smithy   au

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    Re: Swingarm????
    Reply #2 on: August 12, 2022, 09:39:22 pm
    August 12, 2022, 09:39:22 pm
    What Antares said....won't fit, XR swingarm is a lot longer between pivot and axle, shock linkage setup is a bit different and the R/RR swingarm is actually a bit lighter and "less beefy" than the XR.

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  • Offline AdzventureXR   kr

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    Re: Swingarm????
    Reply #3 on: August 18, 2022, 02:00:24 am
    August 18, 2022, 02:00:24 am
    Wish there was a shorter option though.  Help with corners.
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  • Online af1-windy   gb

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    Re: Swingarm????
    Reply #4 on: August 18, 2022, 07:50:31 am
    August 18, 2022, 07:50:31 am
    *Originally Posted by AdzventureXR [+]
    Wish there was a shorter option though.  Help with corners.

    This is only my opinion, but it is based on 44 years of riding and is also not meant to offend.  :034: If you can't the XR around corners it's not help with a shorter swing arm you need..  :187:

     :821: windy
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  • Offline Mareng1   gb

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    Re: Swingarm????
    Reply #5 on: August 18, 2022, 08:25:50 am
    August 18, 2022, 08:25:50 am
    *Originally Posted by Antares [+]
    The XR swingarm is longer than R/RR not sure what you mean about it being thin, it's one lf the beefiest swingarms I've seen and definitely not a failure point. Dont forget some 250kg+ bikes still ran box section swingarms with 1-2mm thin walls without any issues

    Yes, add in the regular load capacity of the XR, which will typically mean 80kg of pillion and 60kg of luggage (roughly) and more recoil/inertia -  I wouldn't be looking to change that to an arm for mostly 1-up riding on smoother roads/tracks, where light weight of the bike was a major design criteria.

    Was it on here that someone reported some cracking in the Mk1 XR swing arms?  I think it was Left hand arm, near the axle adjustment thread (and possibly starting there)?  I went straight out and checked mine, at the time.

  • Offline Antares   gb

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    Re: Swingarm????
    Reply #6 on: August 18, 2022, 08:49:13 am
    August 18, 2022, 08:49:13 am
    *Originally Posted by Mareng1 [+]
    Yes, add in the regular load capacity of the XR, which will typically mean 80kg of pillion and 60kg of luggage (roughly) and more recoil/inertia -  I wouldn't be looking to change that to an arm for mostly 1-up riding on smoother roads/tracks, where light weight of the bike was a major design criteria.

    Was it on here that someone reported some cracking in the Mk1 XR swing arms?  I think it was Left hand arm, near the axle adjustment thread (and possibly starting there)?  I went straight out and checked mine, at the time.

    Must have been a while ago but then again i wasn't on this forum for that long, as for what you mentioned, exactly. The XR swingarm is designed with extra load in mind, so at lower loads such as 1 up with no luggage the swingarm is relatively stiffer. I would reckon it's probably stiffer than a R/RR swingarm would be especially mounted to the XR.

  • Offline AdzventureXR   kr

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    Re: Swingarm????
    Reply #7 on: August 18, 2022, 09:12:16 am
    August 18, 2022, 09:12:16 am
    *Originally Posted by af1-windy [+]
    This is only my opinion, but it is based on 44 years of riding and is also not meant to offend.  :034: If you can't the XR around corners it's not help with a shorter swing arm you need..  :187:

     :821: windy

    No offence taken,  and please don't be offended when I say probably in those 44yrs you've never really ridden an XR hard to have an opinion
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  • Online af1-windy   gb

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    Re: Swingarm????
    Reply #8 on: August 18, 2022, 09:34:38 am
    August 18, 2022, 09:34:38 am
    *Originally Posted by AdzventureXR [+]
    No offence taken,  and please don't be offended when I say probably in those 44yrs you've never really ridden an XR hard to have an opinion

    Not offended at all.. though you might want to ask Antares how hard we ride our XR's  :164:
    "When I’m riding my motorcycle, I’m glad to be alive. When I stop riding my motorcycle, I’m glad to be alive" Neil Peart.

  • Offline Antares   gb

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    Re: Swingarm????
    Reply #9 on: August 18, 2022, 12:30:10 pm
    August 18, 2022, 12:30:10 pm
    Don't wanna start a war here but I'm with windy, XR is perfectly capable as is, easily keeping up with all but the latest superbikes on tracks especially around corners. Sure a shorter swingarm may give you marginal benefits tipping into corners but realistically it's already so wheelie happy that there would be 0 real world gains in terms of outright pace.

     



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