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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Who makes this breather?
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<blockquote data-quote="ogrilp400" data-source="post: 45162" data-attributes="member: 88"><p>Phil, I'm a bit confused. A brass disc behind the inlet oil seal? </p><p></p><p> Phelps.</p><p></p><p>You know the problems I had with my Comet as well as anyone!!! Mine pumped oil out of the top end and fouled plugs for ages. I had the muff relined and bored out to suit the 40 thou oversize piston with new rings and thought that might clear it up as everything else had been done. Still fouled plugs, though. The thing that eventually stopped the oil problem was finding out from various Vincent bods that there should be an ET234 brass disk about 10mm diameter and negligible thickness behind the inlet oilseal in the timing case cover. When I looked in mine there was nothing there which meant that far too much oil was getting up to the head. Knowing how long you have been at the Vincent coalface you have probably checked this already...... but it solved the final problem for mine. Phil</p></blockquote><p>[/QUOTE]</p>
[QUOTE="ogrilp400, post: 45162, member: 88"] Phil, I'm a bit confused. A brass disc behind the inlet oil seal? Phelps. You know the problems I had with my Comet as well as anyone!!! Mine pumped oil out of the top end and fouled plugs for ages. I had the muff relined and bored out to suit the 40 thou oversize piston with new rings and thought that might clear it up as everything else had been done. Still fouled plugs, though. The thing that eventually stopped the oil problem was finding out from various Vincent bods that there should be an ET234 brass disk about 10mm diameter and negligible thickness behind the inlet oilseal in the timing case cover. When I looked in mine there was nothing there which meant that far too much oil was getting up to the head. Knowing how long you have been at the Vincent coalface you have probably checked this already...... but it solved the final problem for mine. Phil[/QUOTE] [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Who makes this breather?
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