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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
ATD Springs
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<blockquote data-quote="Martyn Goodwin" data-source="post: 43272" data-attributes="member: 2433"><p>Today I visited Laurie Binns (think of him as an Australian Big Sid melded with a 19th century master craftsman) anyway in conversation I told him of my ATD problems and he strait way asked if there was a ridge on the magneto shaft that the ATD fits on - and yes there was. Laurie diagnosed the problem as being the rear of the ATD fouling on the case or the Magneto seal. His advise was to file around 0.010" off the boss on the rear of the ATD - I did this and like magic full ATD functioning was restored. While I was at it I also put a smear of HMP grease on the magneto cam (thanks Sid!).</p><p>All buttoned up, timing set at 6 BTDC fully retarded; 35 BTDC fully advanced the Bike starts first kick and (for now) is idling smoothly and riding well.</p><p>What a bastard that the ALTON chose today to die! At least I have a freshly restored Miller Geny on hand.</p><p>Martyn</p></blockquote><p></p>
[QUOTE="Martyn Goodwin, post: 43272, member: 2433"] Today I visited Laurie Binns (think of him as an Australian Big Sid melded with a 19th century master craftsman) anyway in conversation I told him of my ATD problems and he strait way asked if there was a ridge on the magneto shaft that the ATD fits on - and yes there was. Laurie diagnosed the problem as being the rear of the ATD fouling on the case or the Magneto seal. His advise was to file around 0.010" off the boss on the rear of the ATD - I did this and like magic full ATD functioning was restored. While I was at it I also put a smear of HMP grease on the magneto cam (thanks Sid!). All buttoned up, timing set at 6 BTDC fully retarded; 35 BTDC fully advanced the Bike starts first kick and (for now) is idling smoothly and riding well. What a bastard that the ALTON chose today to die! At least I have a freshly restored Miller Geny on hand. Martyn [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
ATD Springs
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