Forums 🚥 PIT STOP 🔧 Hyosung Technical Help Hello, taking off exhaust manifold nut

This topic contains 2 replies, has 2 voices, and was last updated by  Trevor 1 year ago.

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  • #1403

    ♠️ MARCEL
    Administrator
    • Topics: 32
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    Joined:
    Apr 30, 2018
    @mf448kxn6
    Location:
    North UK
    Riding:
    GTR
    Points: 2,710

    Wow!

    Sadly , I’ve seen this a few times over at the facebook group , usually you could try these tricks:

    • Drill the center of the bolt with a HSS bit, until the bolt-head splits
    • or get a hole saw drill bit that is HSS about 12-14mm size (A guess) and drill-saw the area surrounding the bolt.  Then the flange comes off by pulling it off with tools.
    • The bolt that is left attached on engine-header, get large mole grips & wear bike gloves , try to undo it hard to loose.

    Mind you, whatever happens here, you may end up replacing the stud & nut or a new exhaust bolt!

     

    That picture ^ that bolt is a security torx bit. It is size T30-Security Torx.   very notorious bolt to fight with sometimes.

    // Meditation doesn't mean you have to sit still....

    • #1408

      Trevor
      Member
      • Topics: 4
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      Apr 30, 2018
      @bigtrev1969
      Location:
      Lisburn
      Riding:
      Hiyosung Gv125 aquila
      Points: 198

      Many thanks think its an hhs drill bit next  or grinder.

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