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SOHC.co.uk Forums => CB500/550 => Topic started by: Oggie400F on May 12, 2020, 09:28:36 AM

Title: 550F Silencer
Post by: Oggie400F on May 12, 2020, 09:28:36 AM
Does anyone have recommendations for a replacement silencer or, if needed, a full system for a 550F that is not too loud.

The silencer that came with my Café Racer is a cut down straight through and, even after fitting a baffle, is far too loud for me.

Also I have measured the OD of the collector box outlet pipe at 56mm so am struggling to find a 'slip on' large enough to fit. Is this the correct size for the original header and collector box, they look original?
Title: Re: 550F Silencer
Post by: Trigger on May 12, 2020, 09:52:18 AM
56mm sounds about right as, the silencer is 60mm ID and there is the gasket. I have a silencer that I was going to put up forsale.
A motad in Stainless is a good replacement, if you can find one  ;)
Title: Re: 550F Silencer
Post by: Oggie400F on May 12, 2020, 10:57:02 AM
Cheers Graham
Is the one for sale on original?
Either way I'm interested as if it's original I would like it just in case I return the bike to stock spec.
Title: Re: 550F Silencer
Post by: cooleronthecoast on May 12, 2020, 12:54:22 PM
Good luck with finding an original Oggy. I've seen more Unicorn turds recently!   Lol.   I have a 550 Motad system in the shed (I'll see if I can get a photo posted up here or if you give me your email I'll send you one if you are interested).  Its in reasonable shape but I ended up buying a Delkevic stainless system for mine so the Motad is surplus to requirements.
Title: Re: 550F Silencer
Post by: Oggie400F on May 12, 2020, 01:18:27 PM
I've looked at the Delkevic system but wasn't sure how they sound.
Is yours the straight or megaphone silencer and is it loud?
If you can post a photo of the Motad I may be interested.

Mind you, if Trigger sells me his for 99p I won't need it! 🤣🤣🤣
Title: Re: 550F Silencer
Post by: cooleronthecoast on May 12, 2020, 02:15:17 PM
My Delkevic is the straight system and yes, it is loud.  Strange isn't it?  When I was a kid I'd have junked the original system and put on something like the Delkevic in a flash.  Now like you. I prefer something more original and quieter.   I must be an old fart!   ;)[attachimg=1] 

Here's the Motad, the picture flatters it to be honest, it would need work if you were to fit it, but could be made nice with effort.   I see you are just down the road in Hull, so if you fancy a detailed look you are welcome to pop up. Now the lockdown rules have been relaxed. I live just a few miles North of Brid off the A165.
Title: Re: 550F Silencer
Post by: Trigger on May 12, 2020, 02:40:44 PM
Is the silencer on that motad good ? I think I have a motad somewhere that has good down pipes but, the silencer is shot.

I will be passing Hull tomorrow so, it looks like everyone is Hull side  ;)
Title: Re: 550F Silencer
Post by: cooleronthecoast on May 12, 2020, 02:53:10 PM
Is the silencer on that motad good ? I think I have a motad somewhere that has good down pipes but, the silencer is shot.



On the whole yes, the main body is very good however where the down pipes fit in there is some corrosion I've tried to photograph this below:

[attachimg=1][attachimg=2]
Title: Re: 550F Silencer
Post by: Trigger on May 12, 2020, 03:19:24 PM
Corrosion ? That looks more like a hole or is it just black in that area ?
Title: Re: 550F Silencer
Post by: Moorey on May 12, 2020, 03:53:40 PM
Corrosion ? That looks more like a hole or is it just black in that area ?

The hole is free it comes with the corrosion.  ;)
Title: Re: 550F Silencer
Post by: cooleronthecoast on May 12, 2020, 04:52:55 PM
Its a miniature Bat.   ;)
Title: Re: 550F Silencer
Post by: Nurse Julie on May 12, 2020, 06:46:39 PM
Ian, yes, it's an original silencer and I have just PM'd you some pics.
Title: Re: 550F Silencer
Post by: Oggie400F on May 12, 2020, 10:43:42 PM
Ian, yes, it's an original silencer and I have just PM'd you some pics.

Thanks Julie
I have replied to your PM. 👍
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