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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
My continuing woes with a 5 inch speedo - now 10 cables gone - help????????
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<blockquote data-quote="Hugo Myatt" data-source="post: 26907" data-attributes="member: 99"><p>Hi Stuart,</p><p></p><p>My early Shadow speedo (second version) did this on pushing the bike backwards. As I recall it took 17 turns of the wheel and then the cable would cease turning. It always broke at the lower end, i.e. brake plate end. I believe this always happens when the problem is at the other end of the cable. If the gears in the speedo head gearbox (or the housing) are worn they try to climb up each other and jam solid against the end plates. This only happens in reverse. I had the speedo head gearbox rebuilt by Speedograph Richfield. They modified it in some way and fitted new gears. That was some years ago and to date no further breakages.</p><p></p><p>Hugo</p></blockquote><p></p>
[QUOTE="Hugo Myatt, post: 26907, member: 99"] Hi Stuart, My early Shadow speedo (second version) did this on pushing the bike backwards. As I recall it took 17 turns of the wheel and then the cable would cease turning. It always broke at the lower end, i.e. brake plate end. I believe this always happens when the problem is at the other end of the cable. If the gears in the speedo head gearbox (or the housing) are worn they try to climb up each other and jam solid against the end plates. This only happens in reverse. I had the speedo head gearbox rebuilt by Speedograph Richfield. They modified it in some way and fitted new gears. That was some years ago and to date no further breakages. Hugo [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
My continuing woes with a 5 inch speedo - now 10 cables gone - help????????
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