Welcome to Netrider ... Connecting Riders!

Interested in talking motorbikes with a terrific community of riders?
Signup (it's quick and free) to join the discussions and access the full suite of tools and information that Netrider has to offer.

What are these on the exhaust?

Discussion in 'Technical and Troubleshooting Torque' started by toadcat, Dec 19, 2012.

  1. Today I noticed a few things on my other bike's exhaust headers... They seem to be able to be adjusted with an allen key..... but for what purpose? Anyways, picture below... Hopefully someone can explain

  2. Ports where they can attach sensors to measure your mixture and emissions
  3. torque inhibitors for the muffler bearings
    • Like Like x 3
  4. Actually they are Honda flux capacitors
    • Like Like x 2
  5. Both wrong......they are udders.......it's where you milk the bike
    • Like Like x 3
  6. Thanks for reminding me, I've got to go oil them... ;)

    But yeah, are they really for EPA tests? Thought they would just stick it over the muffler :\ None of my other bikes have the 'nipples'.
  7. It's a boy bike... now what?
  8. man tits
    • Like Like x 1
  9. He he he
    • Like Like x 1
  10. They look like blocked off air injection ports that are used to clean up exhaust emissions.
  11. Actually that is what they do. But their correct name is thingummies.

    Also because they inhibit torque you need to allow for this when tightening them. Otherwise the doohickies could come loose.