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Author Topic: Fork length  (Read 1555 times)

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Offline longshanks

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Fork length
« on: July 27, 2013, 12:56:24 am »
I have a CB450 that I got into an accident a couple months ago and I think I'm going to restore it back. The worst damage is to the fork tubes so I'm wondering if anyone has a set? I know their 35mm like the 750 but I don't know the length(I know their shorter) or if any other tubes would interchange from let's say a CB350.

And yes, I'm sorry the 450 isn't a SOHC, but I figure there are more people look at this page as well as there being a greater wealth of knowledge.
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Offline trueblue

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Re: Fork length
« Reply #1 on: July 27, 2013, 01:06:43 am »
I bought new fork staunchions for my 650 from Disco Volante Moto in the UK, took a few weeks because they were a special order, but great service from Howard there and can recommend them highly ;D.
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Offline Bootlegger56

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Re: Fork length
« Reply #2 on: July 27, 2013, 09:16:33 am »
If they are the same as a 750 you can buy stock length tubes at CycleX.  They have the length of 22 13/16" listed as stock.  I would verify.
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Offline 754

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Re: Fork length
« Reply #3 on: July 27, 2013, 04:20:32 pm »
450 disc brake forks are about 3/4. Inch shorter.
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Offline Dream750

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Re: Fork length
« Reply #4 on: July 27, 2013, 05:53:05 pm »
Your CB450 K5 fork tube/pipe uses part number: 51410-323-010 and is no longer available. :(

However, the Honda parts cross reference shows the other models that use the same part number:

CB450K5 A MOTORCYCLE, JPN, VIN# CB450-5000001 TO CB450-5040742
CB450K6 A MOTORCYCLE, JPN, VIN# CB450-6000001 TO CB450-6025991
CB450K7 A MOTORCYCLE, JPN, VIN# CB450-7000001 TO CB450-7022920
CB500 A MOTORCYCLE,     JPN, VIN# CB500-1000001
CB500K1 A MOTORCYCLE, JPN, VIN# CB500-2000001
CB500K2 A MOTORCYCLE, JPN, VIN# CB500-2100001
CL450K5 A MOTORCYCLE, JPN, VIN# CL450-5000001 TO CL450-5019216
CL450K6 A MOTORCYCLE, JPN, VIN# CL450-6000001 TO CL450-6005014

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Offline scottly

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Re: Fork length
« Reply #5 on: July 27, 2013, 06:45:41 pm »
A K1 750 fork is 29 7/8", fully extended, from the center of the axle to the top of the tube.
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Offline RAFster122s

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Re: Fork length
« Reply #6 on: July 27, 2013, 06:57:22 pm »
Forks by Frank can source the correct length, a little more $ typically but very high quality parts.
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Offline Xnavylfr

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Re: Fork length
« Reply #7 on: July 28, 2013, 03:18:16 am »
Forks by frank is excellent service. The best chrome on fork tubes I've seen!



Xnavylfr(CHUCK)
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Offline 754

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Re: Fork length
« Reply #8 on: July 28, 2013, 11:38:13 am »
They may have best decorative chrome, but I prefer hardchome for longivity.

 Anyone ever mike a set of FbF tubes, i have seen aftermarket tubes that are on the "small" side.
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Maker of the WELDLESS 750 Frame Kit
dodogas99@gmail.com
Kelowna B.C.       Canada

My next bike will be a ..ANFOB.....

It's All part of the ADVENTURE...

73 836cc.. Green, had it for 3 decades!!
Lost quite a few CB 750's along the way

Offline longshanks

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Re: Fork length
« Reply #9 on: July 28, 2013, 06:06:29 pm »
So K5(disc) fork tubes are 22 1/16"?


Quote from: 754 on July 27, 2013, 04:20:32 pm
450 disc brake forks are about 3/4. Inch shorter.
« Last Edit: July 28, 2013, 06:08:05 pm by longshanks »
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Offline 754

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Re: Fork length
« Reply #10 on: July 28, 2013, 06:13:02 pm »
The ones I compared were 70. 450.  To standard length CB750
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Maker of the WELDLESS 750 Frame Kit
dodogas99@gmail.com
Kelowna B.C.       Canada

My next bike will be a ..ANFOB.....

It's All part of the ADVENTURE...

73 836cc.. Green, had it for 3 decades!!
Lost quite a few CB 750's along the way

Offline longshanks

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Re: Fork length
« Reply #11 on: July 28, 2013, 07:03:19 pm »
Quote from: 754 on July 28, 2013, 06:13:02 pm
The ones I compared were 70. 450.  To standard length CB750

Sorry, what do you mean 70?
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Offline 754

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Re: Fork length
« Reply #12 on: July 28, 2013, 09:47:42 pm »
1970 model first with a disc 450
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Maker of the WELDLESS 750 Frame Kit
dodogas99@gmail.com
Kelowna B.C.       Canada

My next bike will be a ..ANFOB.....

It's All part of the ADVENTURE...

73 836cc.. Green, had it for 3 decades!!
Lost quite a few CB 750's along the way

Offline goldarrow

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Re: Fork length
« Reply #13 on: July 29, 2013, 03:11:48 pm »
may be a 550 forks and put clipon bars?  forks can then slide up and down according to your need and riding style.  i think it looks cool with clipon bars and couple of inches of forks stick up.
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