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Thread: silencers

  1. #1
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    Default silencers

    Rummaging in the garage and came across a pair of low level silencers off my '89 851 [zdm a04/b04] and was wondering if the end baffles came out. I can't see any tack welds holding them in but they are in tightly. On the outer pipe there is a small hole as if there should be a grub screw but not in the baffle.

  2. #2
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    Quote Originally Posted by ducati dad View Post
    Rummaging in the garage and came across a pair of low level silencers off my '89 851 [zdm a04/b04] and was wondering if the end baffles came out. I can't see any tack welds holding them in but they are in tightly. On the outer pipe there is a small hole as if there should be a grub screw but not in the baffle.
    Not sure if this is any help to you but I have an 851 SP3 which has the original silencers fitted. They are marked ZDM A08/B08. I got a couple of bits in a box with the bike which I think are baffles/dB killers. They look as if they were (designed to be) tack-welded in, but I just had a good look inside the silencers on the bike and there is no sign of them ever having been fitted. There are no holes on the end pipe where a grub screw or similar might have been fitted, and nothing on the baffles to indicate that this is how they were to be fixed. I wondered if they just come with the bike from the factory for the owner to fit if they want? Needless to say, they're staying in the box of bits in the attic!

    Andrew
    851 SP3 #197
    1198S

  3. #3
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    Default

    Thanks, I'll have another look....

  4. #4
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    The SP3 baffles come installed and are held in place with two small tack welds top and bottom on the lip of the end cap.


    https://mikesps.smugmug.com/Motorcyc...33/i-MsRCsq3/A

  5. #5
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    Default Silencers...

    Quote Originally Posted by mikesps View Post
    The SP3 baffles come installed and are held in place with two small tack welds top and bottom on the lip of the end cap.


    https://mikesps.smugmug.com/Motorcyc...33/i-MsRCsq3/A
    Thanks for that, I'll have another look.
    851 SP3 #197
    1198S

  6. #6
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    Default Silencers...

    Just had a good look at the end caps on my SP3 - no sign at all of any tack welds, see attached photo. I guess they could have been polished out, but someone did a good job if that's the case.

    Andrew

    PS - that's a nice looking example you have mikesps.
    Attached Images
    851 SP3 #197
    1198S

  7. #7
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    Quote Originally Posted by AndrewS View Post
    Just had a good look at the end caps on my SP3 - no sign at all of any tack welds, see attached photo. I guess they could have been polished out, but someone did a good job if that's the case.

    Andrew

    PS - that's a nice looking example you have mikesps.
    I have NOS cans with and with out those obstructions...

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