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Author Topic: Cb550 Kerker exhaust question  (Read 1913 times)

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Offline jtran000

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Cb550 Kerker exhaust question
« on: April 17, 2017, 02:36:06 PM »
Hi All,

My 4 into 4 exhaust is pitting really bad and I have a spare 4 into 1 Kerker that will fit.  Do the stock exhaust collar not fit on the Kerker, the Kerker's have the flange built onto the header and the collar does not wrap flush around the pipes.  I worried that w/o the collars the headers are not seated centered into the exhaust port on the engine. 

Thanks!
JT
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Offline Bankerdanny

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Re: Cb550 Kerker exhaust question
« Reply #1 on: April 17, 2017, 03:20:20 PM »
I have a Kerker on my 75 550F. They don't have a flange. There is a flared area that the collars seat against when you are tightening and the pipes are sealed by the standard copper ring gasket.

I can post a couple pictures when I get home.
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Current: '76 CB750F. Previous:  '75 CB550F, 2007 Yamaha Vino 125 Scooter, '75 Harley FXE Superglide, '77 GL1000, '77 CB550k, '68 Suzuki K10 80, '68 Yamaha YR2, '69 BMW R69S, '71 Honda SL175, '02 Royal Enfield Bullet 500, '89 Yamaha FJ1200

Offline Scott S

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Re: Cb550 Kerker exhaust question
« Reply #2 on: April 17, 2017, 04:17:47 PM »
 Right....You don't use the split washers/collars.
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Offline Bankerdanny

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Re: Cb550 Kerker exhaust question
« Reply #3 on: April 17, 2017, 05:08:26 PM »
Here is mine when I had it off to clean and then installed.
« Last Edit: April 17, 2017, 05:11:40 PM by Bankerdanny »
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"The problem with quotes on the Internet is that you never know if they're true" - Abraham Lincoln

Current: '76 CB750F. Previous:  '75 CB550F, 2007 Yamaha Vino 125 Scooter, '75 Harley FXE Superglide, '77 GL1000, '77 CB550k, '68 Suzuki K10 80, '68 Yamaha YR2, '69 BMW R69S, '71 Honda SL175, '02 Royal Enfield Bullet 500, '89 Yamaha FJ1200

Offline jtran000

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Re: Cb550 Kerker exhaust question
« Reply #4 on: April 20, 2017, 11:12:39 AM »
TY all for the replies.  i came into my workshop to just change the regulator/rectifier oct 16' and next thing you know ended up close to doing a rebuild haha. 

i'll update my build page once things are complete
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Offline jtran000

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Re: Cb550 Kerker exhaust question
« Reply #5 on: April 20, 2017, 11:13:30 AM »
did you remove your center stand?  or was it placed on there for maintenance?
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Offline Bankerdanny

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Re: Cb550 Kerker exhaust question
« Reply #6 on: April 20, 2017, 11:44:36 AM »
My bike still has the center stand. It doesn't have to be removed for this particular exhaust.
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"The problem with quotes on the Internet is that you never know if they're true" - Abraham Lincoln

Current: '76 CB750F. Previous:  '75 CB550F, 2007 Yamaha Vino 125 Scooter, '75 Harley FXE Superglide, '77 GL1000, '77 CB550k, '68 Suzuki K10 80, '68 Yamaha YR2, '69 BMW R69S, '71 Honda SL175, '02 Royal Enfield Bullet 500, '89 Yamaha FJ1200

Offline jtran000

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Re: Cb550 Kerker exhaust question
« Reply #7 on: April 21, 2017, 10:34:31 AM »
ty!  i might keep it off but will save for when i need to change oil and work on rear tire.
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