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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
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<blockquote data-quote="chankly bore" data-source="post: 25265" data-attributes="member: 317"><p>Yes, the answers you have got are right.I have seen the alloy bosses worn and cracked on some motors,and not holding the shaft on most others-therefore even a good concentric large idler will wander,being only retained by the steady plate and 5/16" BSF nut.This situation can only get worse.The Series "D" steel idler boss was a genuine improvement.If you want to do something else to improve matters make slightly longer retaining studs E87 and fit "aerotight" or nyloc nuts instead of the original punchlocking.Cheers,F5AB/2A/7945</p></blockquote><p></p>
[QUOTE="chankly bore, post: 25265, member: 317"] Yes, the answers you have got are right.I have seen the alloy bosses worn and cracked on some motors,and not holding the shaft on most others-therefore even a good concentric large idler will wander,being only retained by the steady plate and 5/16" BSF nut.This situation can only get worse.The Series "D" steel idler boss was a genuine improvement.If you want to do something else to improve matters make slightly longer retaining studs E87 and fit "aerotight" or nyloc nuts instead of the original punchlocking.Cheers,F5AB/2A/7945 [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
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