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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
bearings
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<blockquote data-quote="Hugo Myatt" data-source="post: 27106" data-attributes="member: 99"><p>Hi Howard,</p><p></p><p>I guess this is against. On a trip from London to Liverpool for the TT I had to drain the chaincase of a large quantity of oil and replace it in the oil tank at every service station on the way and on the way back. Kinda spoilt my holiday.</p><p>The mystery of the rising oil level in the gearbox was solved with a suggestions from the Prof. As I said I had gone to a great deal of trouble to make the chaincase completely oil tight including the dynamo housing. I tried the following experiment. I removed the gearbox oil cap and dip stick and fitted a condom over the filler neck. I rode the bike around the local block, about a quarter of a mile. The amount the condom had expanded in that short distance was staggering. It had turned into an enormous balloon and was pushing my foot off the footrest. Whilst this says a lot for the manufacturer of the condom it also demonstrated just how much the chaincase and gearbox were being pressurised.</p><p></p><p>Hugo</p></blockquote><p></p>
[QUOTE="Hugo Myatt, post: 27106, member: 99"] Hi Howard, I guess this is against. On a trip from London to Liverpool for the TT I had to drain the chaincase of a large quantity of oil and replace it in the oil tank at every service station on the way and on the way back. Kinda spoilt my holiday. The mystery of the rising oil level in the gearbox was solved with a suggestions from the Prof. As I said I had gone to a great deal of trouble to make the chaincase completely oil tight including the dynamo housing. I tried the following experiment. I removed the gearbox oil cap and dip stick and fitted a condom over the filler neck. I rode the bike around the local block, about a quarter of a mile. The amount the condom had expanded in that short distance was staggering. It had turned into an enormous balloon and was pushing my foot off the footrest. Whilst this says a lot for the manufacturer of the condom it also demonstrated just how much the chaincase and gearbox were being pressurised. Hugo [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
bearings
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