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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Modified Steering Stem
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<blockquote data-quote="macvette" data-source="post: 98546" data-attributes="member: 262"><p>Yes I know that the damper limits the full extension of the suspension and I've had the bike on and off its wheels several times. With the bike on its wheels, no rider,with this set up there is still no compression of the of the damper and it is not possible to collapse the damper to remove it because of the load on it imposed by the springs locks the eyebolts and the top pivot bolt even when they are slackened off. These are long eyebolts. I didnt notice this when I did the mod because the damper was in place before I fitted the springs. This also a standard Vincent damper with 3 ins of travel. If I had short eyebolts on, the preload on the damper would be even higher. </p><p>With the bike on the side stand the back wheel is off the ground so there is some load on the front but I would expect the damper to be compressed slightly when dropped onto its wheels. When I do this the bike bounces once and settles quite freely but the damper remains fully extended ( topped out or bottomed out however you express it) and it is not possible lift the front of the bike to extend the front suspension even marginally.</p><p>I know exactly what I am seeing having cycled through this procedure several times. So this is why I think I need less preload or to shorten the spring to bring the damper a little off its stop when on its wheels with no rider</p></blockquote><p></p>
[QUOTE="macvette, post: 98546, member: 262"] Yes I know that the damper limits the full extension of the suspension and I've had the bike on and off its wheels several times. With the bike on its wheels, no rider,with this set up there is still no compression of the of the damper and it is not possible to collapse the damper to remove it because of the load on it imposed by the springs locks the eyebolts and the top pivot bolt even when they are slackened off. These are long eyebolts. I didnt notice this when I did the mod because the damper was in place before I fitted the springs. This also a standard Vincent damper with 3 ins of travel. If I had short eyebolts on, the preload on the damper would be even higher. With the bike on the side stand the back wheel is off the ground so there is some load on the front but I would expect the damper to be compressed slightly when dropped onto its wheels. When I do this the bike bounces once and settles quite freely but the damper remains fully extended ( topped out or bottomed out however you express it) and it is not possible lift the front of the bike to extend the front suspension even marginally. I know exactly what I am seeing having cycled through this procedure several times. So this is why I think I need less preload or to shorten the spring to bring the damper a little off its stop when on its wheels with no rider [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Modified Steering Stem
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