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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Modified Steering Stem
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<blockquote data-quote="timetraveller" data-source="post: 103931" data-attributes="member: 456"><p>Tim, the first thing I recommend to anyone who thinks the springs are too strong is to remove the damper and just try pumping the forks up and down by hand. Remember, if you do find that the springs are too strong then I can get some made which are even weaker. The problem will be to find out just how much weaker.</p><p>As more food for thought, one of our USA based friends is just setting up his 'D' twin with one of the new steering heads. He found that he could not move the forks with 36 lbs/inch springs and has removed half an inch from each spring and now the front end moves. That is giving 36 lbs less upwards force and that has made the difference. Although shortening springs means that their rate goes up, removing this small amount is making negligible difference to the rate but is reducing the spring pre-load. All those who bought the kit from me will find that there is the design for an adjustment in the inner spring box to allow the preload to be modified. Up to now, no one has expressed any interest in this and so I have not had any made. The design is there for anyone who likes to experiment.</p></blockquote><p></p>
[QUOTE="timetraveller, post: 103931, member: 456"] Tim, the first thing I recommend to anyone who thinks the springs are too strong is to remove the damper and just try pumping the forks up and down by hand. Remember, if you do find that the springs are too strong then I can get some made which are even weaker. The problem will be to find out just how much weaker. As more food for thought, one of our USA based friends is just setting up his 'D' twin with one of the new steering heads. He found that he could not move the forks with 36 lbs/inch springs and has removed half an inch from each spring and now the front end moves. That is giving 36 lbs less upwards force and that has made the difference. Although shortening springs means that their rate goes up, removing this small amount is making negligible difference to the rate but is reducing the spring pre-load. All those who bought the kit from me will find that there is the design for an adjustment in the inner spring box to allow the preload to be modified. Up to now, no one has expressed any interest in this and so I have not had any made. The design is there for anyone who likes to experiment. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Modified Steering Stem
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