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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Unyielding gear selector
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<blockquote data-quote="Gary Gittleson" data-source="post: 144499" data-attributes="member: 3625"><p>I'm not sure that's a sufficient test. Recently, I experienced a new phenomenon (to me). The bike shifted reasonable well up and down but sometimes became difficult to find neutral (with the bike running of course). Then on a trip of about 250 miles, it began refusing to downshift and even refused to free up at all. I found that if I pulled the clutch lever in and revved the engine, it would free up, allowing a downshift. Shifting from a standstill and upshifting was still OK.</p><p></p><p>A few days later, I tore down the clutch. I had recently resolved several problems with it but not the additional one I found. The centralizing pins were quite sloppy in their bores and the shoes were also fairly loose on their pivot pins. </p><p></p><p>So I bought new shoes from Coventry Spares. The VOC spares company was out of stock and besides, Coventry's stock comes from them. I know it's possible to refurbish the shoes but not without considerable work and proper tools.</p><p></p><p>The result was miraculous. The bikes shifts beautifully, up and down, into neutral at a stop etc. </p><p></p><p>My main point is that a small amount of drag might not be noticeable when rolling the bike but will still have a serious effect when shifting with the engine running. </p><p></p><p>Gary</p></blockquote><p></p>
[QUOTE="Gary Gittleson, post: 144499, member: 3625"] I'm not sure that's a sufficient test. Recently, I experienced a new phenomenon (to me). The bike shifted reasonable well up and down but sometimes became difficult to find neutral (with the bike running of course). Then on a trip of about 250 miles, it began refusing to downshift and even refused to free up at all. I found that if I pulled the clutch lever in and revved the engine, it would free up, allowing a downshift. Shifting from a standstill and upshifting was still OK. A few days later, I tore down the clutch. I had recently resolved several problems with it but not the additional one I found. The centralizing pins were quite sloppy in their bores and the shoes were also fairly loose on their pivot pins. So I bought new shoes from Coventry Spares. The VOC spares company was out of stock and besides, Coventry's stock comes from them. I know it's possible to refurbish the shoes but not without considerable work and proper tools. The result was miraculous. The bikes shifts beautifully, up and down, into neutral at a stop etc. My main point is that a small amount of drag might not be noticeable when rolling the bike but will still have a serious effect when shifting with the engine running. Gary [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Unyielding gear selector
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