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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Silencer for Series C Comet
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<blockquote data-quote="Chris Launders" data-source="post: 32560" data-attributes="member: 2010"><p>Hi all</p><p> Getting a standard silencer that works well and gives good performance will be very hard,a friend who custom builds silencers says that the standard silencer is too small to be able to quieten the noise without being too restrictive.My own experience seems to back this up,for several years i have been running a norvin with mk2s 34mm carbs etc with an armours goldstar silencer-quite noisy but runs great then i got a comet with a standardish silencer (not sure what make i think its probably vosc)not too loud but has a definite crack to it and runs ok.Now i recently got a shadow mk3s and 32mm amals with air filters,on it was an empty standard silencer,went well but very noisy.With it was a stainless spiral baffle silencer so i fitted this, it was so quiet all you could hear were the rattles!!! and it was as flat as anything,so i whipped the one off the comet and used that.This now runs well up to about 3500rpm then goes flat but sounds "normal",I have taken the air filters off and am waiting for it to dry up so i can give it a run,if it still runs flat i shall try the goldie off the norvin which i know is ok.I have no doubt the stainless one now fited to the comet will have to be replaced it was just too restrictive.</p></blockquote><p></p>
[QUOTE="Chris Launders, post: 32560, member: 2010"] Hi all Getting a standard silencer that works well and gives good performance will be very hard,a friend who custom builds silencers says that the standard silencer is too small to be able to quieten the noise without being too restrictive.My own experience seems to back this up,for several years i have been running a norvin with mk2s 34mm carbs etc with an armours goldstar silencer-quite noisy but runs great then i got a comet with a standardish silencer (not sure what make i think its probably vosc)not too loud but has a definite crack to it and runs ok.Now i recently got a shadow mk3s and 32mm amals with air filters,on it was an empty standard silencer,went well but very noisy.With it was a stainless spiral baffle silencer so i fitted this, it was so quiet all you could hear were the rattles!!! and it was as flat as anything,so i whipped the one off the comet and used that.This now runs well up to about 3500rpm then goes flat but sounds "normal",I have taken the air filters off and am waiting for it to dry up so i can give it a run,if it still runs flat i shall try the goldie off the norvin which i know is ok.I have no doubt the stainless one now fited to the comet will have to be replaced it was just too restrictive. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Silencer for Series C Comet
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