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Makotosun

Silencer/Pipe Outlet for CT1 factory exhaust??

  • Dad3sons
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Silencer/Pipe Outlet for CT1 factory exhaust?? was created by Dad3sons

Forum Gods -

I’m getting close to finishing my 69 CT1 resurrection. I need suggestions on what to do about the exhaust pipe which is, of course, missing at least the “pipe outlet” portion of the system. It’s kinda loud. Can’t find any OEM parts for this on EBay.



Any suggestions for an aftermarket or fabricated work around?? Thoughts??

Thanks in advance!

Joe C.
The following user(s) Liked this Post: DaveHunter
13 Nov 2020 21:55 #1

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Replied by Rick C. on topic Silencer/Pipe Outlet for CT1 factory exhaust??

Er ahhh..... your neighbors may get used to it??? :EEEK :EEEK :EEEK
Or we get this taking care of. I say be loud and proud.
13 Nov 2020 22:08 #2

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Replied by Gr8uncleal on topic Silencer/Pipe Outlet for CT1 factory exhaust??


Rendering Error in layout Message/Item: fopen(http://open.api.ebay.com/shopping?callname=GetSingleItem&appid=makotosu-08bc-47da-8e7d-68e3ee6e51ca&siteid=0&responseencoding=JSON&ItemID=333722856716&version=889&trackingid=&trackingpartnercode=9): failed to open stream: Connection refused. Please enable debug mode for more information.

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Replied by DaveHunter on topic Silencer/Pipe Outlet for CT1 factory exhaust??

+1 on wanting to get a silencer. OK for a while but the noise going down the road gets to be a little too much. It’s odd that I’m getting hard of hearing and loud noises bother more!
Has anyone had success copying one ?
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14 Nov 2020 06:10 #4

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Replied by littlemilo on topic Silencer/Pipe Outlet for CT1 factory exhaust??

I found a nice substitute this fall for my AT1C that should work well with the CT1. Well made and good fit for cheap.
Most motorcycle problems are caused by the nut that attaches the handlebars to the seat
The following user(s) Liked this Post: Dad3sons
14 Nov 2020 08:10 #5

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Replied by littlemilo on topic Silencer/Pipe Outlet for CT1 factory exhaust??

Note the outlet I posted fits within the original silencer. I was lucky to score a NOS silencer from DEET a few years back, one of the last ones he had at the time.
Most motorcycle problems are caused by the nut that attaches the handlebars to the seat
14 Nov 2020 08:14 #6

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Replied by apex on topic Silencer/Pipe Outlet for CT1 factory exhaust??


I have experience with one of those for an RT2. Still pretty loud on the 360, but I bet that tip in a 125/175 will cut down on the sound when "un-tipped."
Allrighty Then
14 Nov 2020 09:20 #7

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Replied by MarkT on topic Silencer/Pipe Outlet for CT1 factory exhaust??

I think Enduronut posted the blueprints for making one a few years ago.
1963 YG1-T, 1965 MG1-T, Allstate 250, 1970 CT1b, 1971 R5, 1973 AT3MX, 1974 TS400L, 1975 RD350, 1976 DT175C, 1976 Husqvarna 250CR, 1981 DT175G, 1988 DT50, 1990 "Super" DT50, 1991 RT180, 2017 XT250
14 Nov 2020 09:49 #8

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Replied by MarkT on topic Silencer/Pipe Outlet for CT1 factory exhaust??

Here's the post: yamaha-enduros.com/index.php/forums/gene...e-and-end-pipe#99606
1963 YG1-T, 1965 MG1-T, Allstate 250, 1970 CT1b, 1971 R5, 1973 AT3MX, 1974 TS400L, 1975 RD350, 1976 DT175C, 1976 Husqvarna 250CR, 1981 DT175G, 1988 DT50, 1990 "Super" DT50, 1991 RT180, 2017 XT250
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14 Nov 2020 09:59 #9

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Replied by DaveHunter on topic Silencer/Pipe Outlet for CT1 factory exhaust??

Good memory Mark & thanks to Enduronut for details of an original silencer.

Yep thats a little hard to read.

I’ve sent the picture to a neighbor who has computer skills and desire to quiet it down & will post result
14 Nov 2020 15:14 #10

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