[TR] TR] Rocker Shaft locating screw

[DAVID MASSEY]

Moss lists these as 
https://mossmotors.com/323-215-screw-shaft-locating
It may be whitworth or something.
Dave 


 

    On Tuesday, April 29, 2025 at 02:34:18 PM CDT, Roger Elliott <elliottr at rmi.net> wrote:   

  
The locating screw is smaller than 1/4 inch.  Hard to tell that in the picture below.  More like a #12 screw.
 
 
The locating screw seems to screw into a M6x1 sizer at the hardware store.  But strangely a M6x1 bolt won's screw into the hole.  
 
 
It appears to be 27tpi according to my gauge.  
 
 
Looks very close to m5x.8
 
 
Thanks,
 Roger
 
  On 4/28/25 21:28, aribert neumann wrote:
  
 
 The screw is 1/4 inch.  I don't remember if fine thread: 28 tpi or coarse thread:20 tpi        For grins, I would get a known M6x1 fastener and see if it threads in. 
  
  
  
  --------- Forwarded message ----------
 From: Roger Elliott <elliottr at rmi.net>
 To: triumphs at autox.team.net
 Cc: 
 Bcc: 
 Date: Sun, 27 Apr 2025 18:20:35 -0500
 Subject: [TR] Rocker Shaft locating screw
 Anyone know what size the rocker shaft locating screw is? I just
 received a rocker shaft that the screw will not go into.  Checked with
 drill bits.  An 11/64 drill bit would go into old rocker shafts easily,
 but not into the new one.
 
 Shouldn't make any difference, but this is for a GT6 mark 1.
 
 Thanks,
 Roger Elliott 
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