What is Small Hole in Lower "ANG" Type Yoke

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thunderbolt

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I am replacing the steering head bearings in my '74 Roadster as part of it's restoration. I have come across a small hole (about 3/8") in the lower steering yoke.

Can anyone advise me what it is there for? It looks like it was original from the factory like that - not done at a later date by someone trying to modify something.

Thanks
Don
 
I have had one of these kits fitted for years. my question is what is the purpose of the rod that attaches to a bracket on the bottom and the coil bracket and frame bracket at the top?
As the damper is held securely to the frame downtubes, it would seem to serve no purpose.
 
johnny Lagdon said:
my question is what is the purpose of the rod that attaches to a bracket on the bottom and the coil bracket and frame bracket at the top?
As the damper is held securely to the frame downtubes, it would seem to serve no purpose.
Click to expand...

It appears to be there to prevent the downtube clamp from rotating (about the fore-aft axis) which would fret away at the downtube.
That way the only forces on the downtube are the push/pull of the damper.
I think it is a good measure.
Cheers
Rob
 
The steering damper has been front and center in a number of posts, but, if you need one I agree with Rob SS about the purpose of the rod between the damper/downtube mount and the coil(s) mount.

Others have said that the damper is a solution, in part, to worn ISOs and/or the wheels not being properly centered to each other and/or the centerline of the motorcycle. The lower triple clamps I have seen have holes drilled on both sides of center; I always thought that it gave the rider/owner a choice of which hand would be used to dial out a tank slapper...
 
robs ss said:
It appears to be there to prevent the downtube clamp from rotating (about the fore-aft axis) which would fret away at the downtube.
That way the only forces on the downtube are the push/pull of the damper.
I think it is a good measure.
Cheers
Rob
Click to expand...
Hi Rob, the clamp in the kit clamps on both downtubes, and as it is angled to match the angle of the tubes, it can only go in 1 position and cannot move....
 
Johnny Lagdon asked "what is the purpose of the rod that attaches to a bracket on the bottom and the coil bracket and frame bracket at the top?"

The purpose of the rod is to keep the bracket from sliding up and down the two frame tubes. The stock bracket is a flat piece of metal pulled against the round frame tubes by two U clamps. Not a great design. Some after market brackets utilise round clamps that fully encircle the round frame tubing. This style dispenses with the upright rod.

Stephen Hill
 
Stephen Hill said:
Johnny Lagdon asked "what is the purpose of the rod that attaches to a bracket on the bottom and the coil bracket and frame bracket at the top?"

The purpose of the rod is to keep the bracket from sliding up and down the two frame tubes. The stock bracket is a flat piece of metal pulled against the round frame tubes by two U clamps. Not a great design. Some after market brackets utilise round clamps that fully encircle the round frame tubing. This style dispenses with the upright rod.

Stephen Hill
Click to expand...
Thanks! I now have clarity and as i have better quality clamps and dispensed with the rest i am at peace! Cheers
 
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