Topic: Please tell me what triple tree bridge I have/need, really frustrated now

[ncstatecamp]

Attached are two pictures, one broken old trying to replace. 2 replacement that apparently doesnt work, that I was told was from a 73 or 74. I am trying to attach this to a cb750k2.



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[754]

First looks like 73-76. Second might be 500 with different offset...note the faint circle around the stem Area.

[CycleRanger]

Could be from a different bike.

(Whoops, beat me to it..)

[754]

K6 may have smaller pinch bolts on the forks.

[ncstatecamp]

The "new" one doesnt fit the same as the original, the original is a more forward offset. So can anybody tell me pretty definitely what I need to find to replace my broken one, also what the "new" one belongs to?

Not sure what you mean by the smaller pinch bolts....

[754]

New one looks like the 500 style.
Use D rings.
The top of the forks go into top tree, then get clamped, the clamp bolts come in two sizes.

[ncstatecamp]

So the new one is a cb500 and mine is still a 73-76k?

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[Dream750]

One fitment clue to look for is the rectangle shape recess location. Left side recess is for CB750K and right side recess is for CB500/550K.
 
A bit of trivia: Japanese market bikes used this recess for their overspeed warning decal placement. 

[ncstatecamp]

I did notice the little square, also the thickness of the metal in the central girth

Good to know, thanks for the trivia

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[ekpent]

 I remember the first time Dream posted that I ran out to look at my bike and sure enough there it was. Been riding and working on these 750's since 1981 and had never even noticed it .

[Don R]

You know all about the d washers, right?

[ncstatecamp]

I do now.... I have two washers that together are exactly .09"

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[Stev-o]

I remember the first time Dream posted that I ran out to look at my bike and sure enough there it was. Been riding and working on these 750's since 1981 and had never even noticed it .

I noticed that recess before but never knew that 750 was on left, 550 on right. I just checked my bikes, they are all correct!

Thanks Dream!