Honda CB750 Sandcast
The Restoration Shop => Brakes => Topic started by: markb on August 24, 2015, 09:24:57 am
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Somehow I missed the rear brake arm when I did my chrome plating. Now I’m not sure which brake arm is the original. Can anyone tell me what the characteristics of the early brake arm are?
Here are the 4 that I have. They’re in the same location left to right in all pictures. The left most one has a slight curve in it and also notice the differences in the left side of the clamp area.
(http://cb750sandcastonly.com/coppermine/albums/userpics/10002/DSC01731.JPG)
Here the curve is more apparent in the left one. The other three are straight. The left two have raised numbers on them.
(http://cb750sandcastonly.com/coppermine/albums/userpics/10002/DSC01732.JPG)
Quite a bit of variation in this view on the clamp ends.
(http://cb750sandcastonly.com/coppermine/albums/userpics/10002/DSC01733.JPG)
Some subtle differences here in the size of the radius where the round end blends back to the straight arm.
(http://cb750sandcastonly.com/coppermine/albums/userpics/10002/DSC01734.JPG)
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On 1676 rear brake arm is straight.
No numbers on the back.
Eye seems to be off set a bit to the fore, some 2 mm.
I.e. a ruler along the rear arm edge and round part is 3mm further rear and along front edge 5mm to the fore!
Erling.
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Thanks! I still can't believe I just put them all in a box without labeling them. Anyone else have any observations?
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Here is my collection.
The brake arm from SC # 1983 (the one on the far right; figures gibe gr) is heavier than later ones, has no number on the back and a rough surface the back.
On the front side, there is a rectangular sign, that I cant see on Marks eary SV brake arm.
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Back side pic.
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i would pick the 3rd door from the left, i think the other 3 are tigers. 232 and 2157 are both smooth on backside, no letters or numbers.