Broken swing arm
Thread Starter
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Intermediate
Joined: Sep 2006
Posts: 31
Likes: 2
From: Rio Linda
It did have one on it. I think that was a mistake on my part. I have the harley lowered shocks but I have removed that 1 inch lowering add on bracket. I'm sure that that contributed to the failure. I have many friends who have used that lowering bracket and have had no concerns and I will be sure to show them the picture of my broken swing arm.
Thread Starter
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Intermediate
Joined: Sep 2006
Posts: 31
Likes: 2
From: Rio Linda
Yes I did have that add on bracket that lowers one inch. A lot of my friends have them and have had no concerns. I am going to be showing them the picture of my failure and they will probably be taking theirs off. I have removed it and it will not be going back on. I have the harley lowering shocks and will just stick with those for now.
Outstanding HDF Member
Joined: Apr 2005
Posts: 2,106
Likes: 12
From: SoCal
That lowering kit is a big contributing factor. What it does is move the shock bottom back 1 inch further. That moves the load back further and adds more stress on the axle and hole. It exacerbates the teeter-totter issue.
Club Member
Joined: Jun 2007
Posts: 45,429
Likes: 2,897
From: Bedford UK
I don't believe that is the case. As others have written, this is not uncommon.
I have recently fitted a 2007 swingarm in my Evo and wrote about it in my thread Suspension THUMP, where you can learn all about doing it!
I didn't have the cracking problem and was looking to cure bottoming out, but replaced the rear end as part of my project. I've done over 3k miles on it since with complete success.
I have recently fitted a 2007 swingarm in my Evo and wrote about it in my thread Suspension THUMP, where you can learn all about doing it!
I didn't have the cracking problem and was looking to cure bottoming out, but replaced the rear end as part of my project. I've done over 3k miles on it since with complete success.
Road Master
Joined: Apr 2009
Posts: 915
Likes: 2
From: nw alabama
i had mine break also... over torque,(maybe) but i think its just a bad design.. theres too much slop on the internal axel adjusters(a better adjuster is offered)and the wheel bushing on the pulley side really needed to be larger in diameter where it touches the swing arm... i dont think the lowering blocks is the problem(breaks on the pulley side ---not the brake side)
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Club Member
Joined: Jun 2007
Posts: 45,429
Likes: 2,897
From: Bedford UK
The only few I know of have all had lowering blocks. It is such a sloppy design. There is a sandwich of several things being squashed together by the axle. The later swingarm is much better with its solid ends.
