Author Topic: 400 headlight bracket dimensions.  (Read 779 times)

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Offline Killer Canary

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400 headlight bracket dimensions.
« on: May 07, 2017, 03:00:22 PM »
Hello,
I just picked up a rough CB400 and I'm interested in fabbing a headlight mount.
What I need to know is the distance from the rear of the mounting tab to the centre of the headlight pivot hole.
Also the diameter of the steel rod used.
If someone could help me out with a couple of quick measurements I would appreciate it. 8)
If it's worth doing at all it's worth over-doing.
Honda MT250, CB400F, CB450K, CB550, GL500, CBR929
Kawi GPz900, H1

Offline Bodi

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Re: 400 headlight bracket dimensions.
« Reply #1 on: May 07, 2017, 04:32:39 PM »
The headlight bolt centres are 50mm from the back of the tab, 75mm from the face of the fork leg. Also 50mm below the bottom of the upper triple. The headlight support ears are roughly 190mm apart.
The headlight/instrument subframe is of 10mm tube.

Fork tubes measure at 33.25mm if you want to make clamps for headlight ears, fork tube centres are 175mm apart

This is a fairly tough assembly to fabricate. Can't you find a donor one?

Offline Killer Canary

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Re: 400 headlight bracket dimensions.
« Reply #2 on: May 07, 2017, 04:56:40 PM »
Is this the correct item?
http://thumbs.ebaystatic.com/images/g/RbQAAOxy3cJTihmQ/s-l225.jpg
If so, it won't be much of a challenge.
Thank you much for the numbers. :)
If it's worth doing at all it's worth over-doing.
Honda MT250, CB400F, CB450K, CB550, GL500, CBR929
Kawi GPz900, H1

Offline Bodi

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Re: 400 headlight bracket dimensions.
« Reply #3 on: May 07, 2017, 05:23:26 PM »
Yes. It looks like there's more to it with the bucket, instruments, cables, wires, etc jammed in the area. Do you want the OD of the marker mounting tube as well?

Offline Killer Canary

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Re: 400 headlight bracket dimensions.
« Reply #4 on: May 07, 2017, 05:36:12 PM »
I already have the blinkers so I'm set for tube size.
Again, much thanks!
If it's worth doing at all it's worth over-doing.
Honda MT250, CB400F, CB450K, CB550, GL500, CBR929
Kawi GPz900, H1