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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Comet Oil Filter Woes
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<blockquote data-quote="aldeburgh" data-source="post: 39403" data-attributes="member: 2692"><p>I think that the VOCS oil filter is OK but not for all Comets! There seems to be various shapes of centre boss on this model and the VOCS filter does NOT fit all correctly , yes it will go in and the brass cap will screw in tight but check what is actually happening inside the housing.</p><p>On mine the centre boss can only be described as "random shape" i.e. not machined on its outside edge at all, at its maximum diameter it is approx 30mm therefore the filter opening on that end also needs to be 30mm to allow it to sit over the boss onto a seal against the end of the housing. The "original" felt type filter was practically a 2'' tube with a seal each end this would easily accomodate any weird shapes of centre boss and provide full flow filtration . The VOSC filter which I removed from mine was NOT sealing over the centre boss thus allowing oil to "short circuit" and avoid going through the filter ,I hope there are no other Stevenage Steeds running around with this "undetectable" fault.</p></blockquote><p></p>
[QUOTE="aldeburgh, post: 39403, member: 2692"] I think that the VOCS oil filter is OK but not for all Comets! There seems to be various shapes of centre boss on this model and the VOCS filter does NOT fit all correctly , yes it will go in and the brass cap will screw in tight but check what is actually happening inside the housing. On mine the centre boss can only be described as "random shape" i.e. not machined on its outside edge at all, at its maximum diameter it is approx 30mm therefore the filter opening on that end also needs to be 30mm to allow it to sit over the boss onto a seal against the end of the housing. The "original" felt type filter was practically a 2'' tube with a seal each end this would easily accomodate any weird shapes of centre boss and provide full flow filtration . The VOSC filter which I removed from mine was NOT sealing over the centre boss thus allowing oil to "short circuit" and avoid going through the filter ,I hope there are no other Stevenage Steeds running around with this "undetectable" fault. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Comet Oil Filter Woes
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