1st question. On Atlas damper units and on some Commando dampers there are four holes to allow the oil to flow through. On later Commando dampers there are only two holes and slightly higher up(on the tapered portion). Can anyone give me the reasoning and advantages for the change?
2nd question. I have several sets of fork springs and they generally are 18.5 inches long. I have one set that is 19.75 inches long and are manufactured with the windings coil-bound at one end for about 2.25 inches. Also the spring wire is .005 thou. thicker and wound 4 windings per inch rather than 4.5 windings as seems to be the norm on all the other springs. Are these springs from a different model?
Take a look at this. It mi…
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Thanks. I am going to try…
Thanks. I am going to try each different type of damper and springs and see what happens. Also going to use different grades of oil in each case.It may take a while as I will leave each setting for a couple of hundred miles or so. I will record the differences I notice and eventually make a report.
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Take a look at this. It might help understand the differences raised in yr first question........
http://www.members.shaw.ca/randell/bump_stop.htm
The short springs have to be from short roadholders I'd guess but exactly which model I'm not sure. The longer ones with different coil spacings are either genuine 'Progressives' or maybe one of the patterns like RGM's for example. I just took those out and replaced with new std springs. I lost the softness with low deflection but at speed the front feels more 'planted'.