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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Issues with multi plate clutches
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<blockquote data-quote="BigEd" data-source="post: 45817" data-attributes="member: 161"><p>The standard clutch, on a twin, is delightfully light so talk of heavy clutches might be attributed to non standard clutches with heavier springs, poor cable run, poor cable lubrication, non standard clutch lever with too large a pivot to cable nipple centre dimension, etc.</p><p></p><p>If you have drag because you are having difficulty getting a plate clutch to lift evenly it may be due to springs of different strength or wear or warping in the plates. </p><p>More lift will help in situations like this and this can be increased by using a clutch lever with a larger pivot to cable nipple centre, e.g. 1.125". </p><p>If we are working on a twin the Vincent Spares Company do an ET27/2 adjuster that gives slightly more lift. (The gear cover change cover has to be removed to fit this.) </p><p>Don't forget that the1.125" clutch lever and ET27/2 give more lift by altering the leverage ratio. You never get something for nothing, a little more lift is traded for a slightly heavier pull.</p></blockquote><p></p>
[QUOTE="BigEd, post: 45817, member: 161"] The standard clutch, on a twin, is delightfully light so talk of heavy clutches might be attributed to non standard clutches with heavier springs, poor cable run, poor cable lubrication, non standard clutch lever with too large a pivot to cable nipple centre dimension, etc. If you have drag because you are having difficulty getting a plate clutch to lift evenly it may be due to springs of different strength or wear or warping in the plates. More lift will help in situations like this and this can be increased by using a clutch lever with a larger pivot to cable nipple centre, e.g. 1.125". If we are working on a twin the Vincent Spares Company do an ET27/2 adjuster that gives slightly more lift. (The gear cover change cover has to be removed to fit this.) Don't forget that the1.125" clutch lever and ET27/2 give more lift by altering the leverage ratio. You never get something for nothing, a little more lift is traded for a slightly heavier pull. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Issues with multi plate clutches
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