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Author Topic: CB400F Throttle cable A & B lengths  (Read 1409 times)

Offline AshimotoK0

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Re: CB400F Throttle cable A & B lengths
« Reply #15 on: March 02, 2024, 05:30:48 PM »



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Offline McCabe-Thiele (Ted)

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Re: CB400F Throttle cable A & B lengths
« Reply #16 on: March 02, 2024, 07:23:07 PM »
None of my throttle cables have a rubber or plastic bellows type arrangement either on my 400 or 500, I believe the cable on my 400 was original it did not have a spring at the bottom- is it some sort of heat resitant cover over the outer cable sheath or have you actually seen a spring between the cable adjuster & the outer sleeve?
« Last Edit: March 02, 2024, 07:36:58 PM by McCabe-Thiele (Ted) »
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Offline AshimotoK0

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Re: CB400F Throttle cable A & B lengths
« Reply #17 on: March 03, 2024, 12:31:40 AM »
Yes I have got about five of them with a spring on plus if you look at the DS image of the push cable it has that protection  spring on.
« Last Edit: March 03, 2024, 12:33:19 AM by AshimotoK0 »
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“Alright friends, you have seen the heavy groups, now you will see morning maniac music. Believe me, yeah. It’s a new dawn.” Grace Slick, Woodstock '69 .. In the year of the Sandcast.

Offline McCabe-Thiele (Ted)

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Re: CB400F Throttle cable A & B lengths
« Reply #18 on: March 03, 2024, 12:43:20 AM »
So it's like a heat shield on the petrol pipe but for the throttle cable.
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Offline SteveD CB500K0

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Re: CB400F Throttle cable A & B lengths
« Reply #19 on: March 03, 2024, 06:27:37 AM »
Are they “bending radius restrictor” springs?


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Offline SteveD CB500K0

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Re: CB400F Throttle cable A & B lengths
« Reply #20 on: March 03, 2024, 06:27:44 AM »
Are they “bending radius restrictor” springs?


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Offline AshimotoK0

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Re: CB400F Throttle cable A & B lengths
« Reply #21 on: March 03, 2024, 09:11:26 AM »
Quote from: SteveD CB500K0 on March 03, 2024, 06:27:44 AM
Are they “bending radius restrictor” springs?


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Yes I figure so Steve. But none of the modern replacements including the late Honda ones have a spring on the 'A'  pull cable. So back to my question did the originals have the spring on the pull cable .. I seem to recall they did and the parts book illustration certainly shows one.
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Offline AshimotoK0

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Re: CB400F Throttle cable A & B lengths
« Reply #22 on: March 03, 2024, 09:32:28 AM »

When all else fails Ash, read the manual !   :D

From Honda shop manual

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“Alright friends, you have seen the heavy groups, now you will see morning maniac music. Believe me, yeah. It’s a new dawn.” Grace Slick, Woodstock '69 .. In the year of the Sandcast.

Offline Deek

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Re: CB400F Throttle cable A & B lengths
« Reply #23 on: March 03, 2024, 10:01:29 AM »
My '77 model has the spring on the cable.  Had the bike since new and it's the original cable.
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Offline McCabe-Thiele (Ted)

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Re: CB400F Throttle cable A & B lengths
« Reply #24 on: March 03, 2024, 11:52:39 AM »
Quote from: SteveD CB500K0 on March 03, 2024, 06:27:37 AM
Are they “bending radius restrictor” springs?


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Interesting concept - as the outer cable is pretty strong they would need to be pretty stiff springs to restrict the curve.
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Re: CB400F Throttle cable A & B lengths
« Reply #25 on: March 03, 2024, 01:58:11 PM »
These were on mine and I’m assuming they’re original. Are they to prevent kinking?


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Offline McCabe-Thiele (Ted)

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Re: CB400F Throttle cable A & B lengths
« Reply #26 on: March 03, 2024, 03:53:48 PM »
Makes me wonder why Honda stopped fitting them, cost or did they simply improve the specification of the outer cable?
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Re: CB400F Throttle cable A & B lengths
« Reply #27 on: March 03, 2024, 04:06:35 PM »
Hard to say whether the specification has been improved without comparing side by side but the cables are definitely much stiffer in that region


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