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Author Topic: Cb550 progressive springs & cyclex fork tubes  (Read 1053 times)
76550fss
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« on: July 23, 2013, 08:31:42 PM »

Hey friends, just installed cycle x fork tubes, progressive springs, and new Honda fork seals. I'm getting a clunk on the dampening end. Any thoughts?
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There's a 550 Honda knocking down January's door.
 '76 550, '81 650, '71 cb100, '72 cb100, '74 cb125s, '74 cl360, '73 cb350f
azure
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« Reply #1 on: July 23, 2013, 10:21:41 PM »

2 thoughts- dampers tight( usually a recessed bolt in the bottom of the fork, see if you can tighten with the spring compressed on the damper rod to keep it from turning when you tighten the bolt) or did you use anything to preload the spring? It may be that the new spring is shorter than the original. If so you need a piece of pvc or aluminum tubing between the top of the spring and the fork cap.

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76550fss
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« Reply #2 on: July 24, 2013, 05:55:51 AM »

I used a 3/4" spacer as a preload as per progressive specs, although the springs are the same length. Razee's installed everything so I would assume the damper rod would be tightened down. Mistakes can happen I guess. I'll check it out.
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There's a 550 Honda knocking down January's door.
 '76 550, '81 650, '71 cb100, '72 cb100, '74 cb125s, '74 cl360, '73 cb350f
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