CBR 600F2 1991 - 1994 CBR 600F2

Exhaust Header Weird Gasket

  #1  
Old 10-10-2016, 11:51 AM
Junior Member
Thread Starter
Join Date: Oct 2016
Posts: 6
Default Exhaust Header Weird Gasket

I have a weird gasket on my exhaust gasket, its not the copper rings but more of a flange that sits inside the header and spreads out to the head.

I'll pop i picture up when I find it, the issue is that the flange bit has rusted through in places and it sounds like it's knocking/tapping/pinking.

Problem is I can't find new flangey bits.
 
  #2  
Old 10-10-2016, 03:37 PM
Senior Member
Join Date: Jul 2011
Location: north/central WV
Posts: 1,136
Default

That doesnt sound like a U.S. 91-94 CBR F2 to me. But since you posted in the F2 section I assume you have an F2. It does sound like to 87-90 Hurricane (F1), maybe. I dont remember exactly even though I had first generation Hurricane.
 
  #3  
Old 10-10-2016, 03:41 PM
Jaybird180's Avatar
Senior Member
Join Date: May 2006
Location: Prince George's County, MD
Posts: 3,471
Default

Can you find the part on a microfiche?
 
  #4  
Old 10-10-2016, 03:52 PM
Senior Member
Join Date: Jul 2011
Location: north/central WV
Posts: 1,136
Default

I just looked on RonAyers and didnt see nothing that I already knew wasnt there.
 
  #5  
Old 10-16-2016, 03:30 PM
Junior Member
Thread Starter
Join Date: Oct 2016
Posts: 6
Default

The attachments show what I've got. Weird huh!

I'm in the UK, its a UK bike, but all the exhausts I've seen over here are the ones with the copper rings as gaskets.

I though i'd solve the issue by getting a new header, the new one is narrower and doesn't fit to the rest of my exhaust! I think the previous owner put something weird on. I just don't know where from or have any of his contact details.
 
Attached Thumbnails Exhaust Header Weird Gasket-img_20150315_165833.jpg   Exhaust Header Weird Gasket-img_20150315_165810.jpg  
  #6  
Old 04-18-2017, 04:44 PM
Junior Member
Thread Starter
Join Date: Oct 2016
Posts: 6
Default

Dragging this up again as the weather is getting more appealing.

Is it some kind of race gasket?
 
  #7  
Old 04-18-2017, 04:55 PM
Junior Member
Thread Starter
Join Date: Oct 2016
Posts: 6
Default

Could it be a header reducer?
 
  #8  
Old 04-18-2017, 05:59 PM
Jaybird180's Avatar
Senior Member
Join Date: May 2006
Location: Prince George's County, MD
Posts: 3,471
Default

Originally Posted by bigniven View Post
Could it be a header reducer?
Reducing the ID size of the header could make sense as the gas laws states that pressure and velocity are inversely proportional. This would seem to help with scavenging.

Just a WAG
 
  #9  
Old 04-20-2017, 04:49 PM
Junior Member
Thread Starter
Join Date: Oct 2016
Posts: 6
Default

This is what one looks like. I don't know what it is to be able to search from some new ones.

Name:  IMG_20170420_122940_zpszqpotz0a.jpg
Views: 33
Size:  130.0 KB

Any pointers are gratefully received.
 
  #10  
Old 04-20-2017, 11:44 PM
74demon's Avatar
Administrator and MVN, March 2012/Oct 2013 ROTM
Join Date: Sep 2011
Location: socal 949/951
Posts: 7,671
Default

I have those on my Harley. It's a venturi sleeve that creates a vacuum to suck out the exhaust gasses a little faster. I think they were called torque sleeves, but don't quote me as its been a long time since I got mine. they're not stock, but nice that you have some. If they're not damaged, clean them up and reuse them. Otherwise, leave them out.
Edit:

Found them in my harley book

Name:  14927920466191512520350_zpsfafhvgkr.jpg
Views: 56
Size:  307.7 KB

I'm not sure if the Harley ports are the same size as yours or not, but they may be.
 

Thread Tools
Search this Thread
Quick Reply: Exhaust Header Weird Gasket


Advertising
Featured Sponsors
Vendor Directory

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.