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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Replace Rear "76 Koni" Damper on Series B (2501)? Advise please
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<blockquote data-quote="timetraveller" data-source="post: 132379" data-attributes="member: 456"><p>I really can't argue with any of that. However, empirical testing by the feel on ones rear is that the stronger 45 lbs/inch springs are too stiff for most mid weight people for comfort on the road. The JE modification gives 3" of movement on the front, provided that one shortens the spring boxes by about an inch. The Series 'D' s with the original Armstrong damper have about 7" at the rear. Remarkable for the time. If the AVO coil over rear unit is used then it has about 3" of movement built into the damper (it is a sod to check) which would give about 4.5" for the wheel. Medium weight people to whom I have provided 45 lbs/in spring for the front have asked to exchange them for the 36 s. This is with the AVO turned down to almost its minimum setting. There are a couple of videos of front fork movement over typical UK roads on the forum so people can judge for themselves. Possibly there is some difference between the comfort expectations between hard riding Aussies and the European and Americans. I have no good ideas as to why there are two schools of thought on this but I am happy to supply what either group wants.</p></blockquote><p></p>
[QUOTE="timetraveller, post: 132379, member: 456"] I really can't argue with any of that. However, empirical testing by the feel on ones rear is that the stronger 45 lbs/inch springs are too stiff for most mid weight people for comfort on the road. The JE modification gives 3" of movement on the front, provided that one shortens the spring boxes by about an inch. The Series 'D' s with the original Armstrong damper have about 7" at the rear. Remarkable for the time. If the AVO coil over rear unit is used then it has about 3" of movement built into the damper (it is a sod to check) which would give about 4.5" for the wheel. Medium weight people to whom I have provided 45 lbs/in spring for the front have asked to exchange them for the 36 s. This is with the AVO turned down to almost its minimum setting. There are a couple of videos of front fork movement over typical UK roads on the forum so people can judge for themselves. Possibly there is some difference between the comfort expectations between hard riding Aussies and the European and Americans. I have no good ideas as to why there are two schools of thought on this but I am happy to supply what either group wants. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Replace Rear "76 Koni" Damper on Series B (2501)? Advise please
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