SOHC.co.uk Forums > CB500/550
Forks advice
Green1:
Progressive spring made a huge difference in my case but to be fair the original ones were 10mm shorter than recommended and because of the worn bushes it felt like there was a hinge in the middle.
I did try ATF but I found it a little to hard I currently have SEA10 in them as recommended now it is silky smooth over bumps but dives a little more than I would like under heavy breaking.But she always goes were I point here I just have to remember I'm riding a 41 year old machine.
I have never had a problem with ATF in my other bikes but there are 30+years between them
pptom:
Know what you mean about riding an 'old' bike, but I also ride a 58' Norton dominator featherbed (domiracer style) - I know its old and a bit fragile, but as soon as i jump on it, i'm pretty sure the spirit of one of those old Isle of Mann riders channels through me!!!
pptom:
Just had a proper swing on the swingarm, i reckon movement at the end is about 1mm, there is a little (can't feel it, only just about see it), but it definitely feels properly bushed.
Thanks for the advice.
Tom
Bryanj:
There should be nil play at end of swing arm with new pin and bushes (steel pin wears mor than the plastic bushes!!) BUT with only a bit of play pump grease into both nipples and see what it handles like then, greasing is an every 500 miles or every month thing if you want the bushes/pin to last!!---I know Honda say 1500/annualy but they never wore out in the warrantee period no matter what.
These are also very suceptible to incorrect headrace adjustment and/or pitted races
pptom:
Thanks, will get some grease in there tonight. Don't think its that bad as i really had to put a fair bit of force into it to see any glimmer of visible movement.
I'll also have a look at the head bearings when i get the forks out later this week. Just got the progressive fork springs ordered, thought it would be better to just drop them in when i'm doing the seals, rather than messing about with shims etc
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