SOHC.co.uk Forums > CB750

Head Lamp Stay Rubber Grommet CB750F - Alternative replacements?

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Pedro26:
https://www.cmsnl.com/products/grommet-light_61312392000/

Shows images of the grommet, and I’ve screenshot it, please see the attached image.

As you can see it’s an inverted top hat shape, well it’s inverted when pressed into its location. (There’s a hole in the top hat which allows rain water to drain.)

It’s part no 61312-392-000 which is on page 42 in the parts manual here http://manuals.sohc4.net/cb750f/technical_reference/PL750F.pdf

My bike is supposedly an F0, but instead actually appears identical to the F1 models that followed the F0.

Oddjob:
Not what I was expecting at all.

You got any dimensions? the CB1300 uses a very similar system to stop the headlight from vibrating, it essentially acts as a damper between the frame and the headlight.

Check out 19113-MB1-870 and have a look. Looks similar but may not be the right size.

Pedro26:
I’ll measure the hole’s, ID, in the fork bracket, and the dimensions of the one that’s still in the forks tomorrow and I’ll post it here.

Pedro26:
As shown in the attachment these are the dimensions of this inverted ‘top hat’ grommet.

The diameter of the ‘brim’ of the top hat shaped grommet is approx. 21.8mm
The outer diameter where it slides into the hole in the fork bracket is approx. 16.1mm.
The length of the bit that slides into the hole in the fork is approx. 13.6mm.

The thickness of the brim of the grommet is about 3.1-3.2mm.

The internal diameter of the hole in the grommet is approx. 10.4 mm
Overall length/height of the grommet is approx. 16.1 mm

The diameter of the headlight stay rod, (actually a tube), is approx.  10.2-10.5 mm

The internal diameter of the hole in the bracket on the forks that the grommet fits into is approx. 16.2mm.

The height of the fork bracket is 20.68mm.

Oddjob:
No, sorry the CB1300 one is smaller. However you could try making one out of a door stop. Shouldn't be that hard to do, I'm doing something similar with a VT1100C which is missing a grab rail isolating rubber.

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