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timer
  • Rank:Diamond Member
  • Posts:537
  • From:Canada

Date Posted:12/17/2012 1:07 AMCopy HTML

Hi Gang
Ive been thinking about relocating the lower shock mount on the swing arm on my 79 Xr 500
Nothing crazy. Im thinking 1-3" ahead of where it currently is. Not really happy with how low the rear of the bike sits. I got lucky,  & a local bike wrecker found a good used set of stock shocks $75.00 Great rebound ?  
If i modify i want to stay on the rear plate area of the swing arm as it appears to be much stronger.
 Any advice.
Thanks
Timer
timer #1
  • Rank:Diamond Member
  • Posts:537
  • From:Canada

Re:modifying a 79 Xr 500 swing arm

Date Posted:12/31/2012 1:45 AMCopy HTML

The other day i went to the hardware store & purchased 2 abs plumbing reducers. I put them on the lathe & bored them out. Took the rear shocks off the bike & removed the springs. Put a reducer  on at the top of each shock, followed by the spring. reducers were about 3/4" thick. What a difference. The bike sits proud now. when standing, supporting its own weight & the shocks are fully against the outward stops. Only when i get on does it sit back down a bit. Not ruling out the swing arm mod but this is way better. Any suggestions on the saggy forks. New progressive springs or spacers? Like the back I want them to be fully extended without me on the bike.
 
Thanks
Timer     
woosh #2
  • Rank:Diamond Member
  • Posts:1568
  • From:Unknown

Re:modifying a 79 Xr 500 swing arm

Date Posted:12/31/2012 6:35 PMCopy HTML

I found a terry fork kit for mine on ebay a while ago. I still havnt put it on my bike, keep your eyes open you will find somthing eventually. I also have a set of used progresive shocks on the back.
timer #3
  • Rank:Diamond Member
  • Posts:537
  • From:Canada

Re:modifying a 79 Xr 500 swing arm

Date Posted:01/01/2013 3:07 AMCopy HTML

I have seen progressive fork springs on E-bay . Wonder if they are the same as the Terry Fork kit you mention.
The progressive fork springs look simular to the s & w  springs used on the XL 250/350's



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