SOHC.co.uk Forums > CB350/400

teflon-lined cables?

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Mikep328:
Thanks Tricky,  Yeah, I did the routing in accordance with the diagram you mentioned when I installed the cable(s) two years ago.  Since they were fine initially and just turned "bad" over the past winter layup, I figure it must be the cables themselves.

K2-K6:
There's usually good detail published in the manual as to setting twistgrip "slack" too, if not fully observed the two cables will conflict with each other in free length, that too cause abrasion within the sleeve and raise possibility of corrosion etc.

It looks like to much free play to logical thinking, but importantly it needs that to prevent the conflict mentioned above and especially toward the extreme of steering lock rotation.

Silicone oil doesn't ordinarily react with plastic/teflon/rubber component used inside cables. It does largely prevent corrosion effects though by eliminating water collection, from whatever condition its used and stored in.

exvalvesetdabbler:

--- Quote from: Mikep328 on June 09, 2026, 09:15:03 AM ---Are there teflon-lined cables - clutch/throttle - available for the 400F?  I've done some searching and can't find anything.  I'm looking for cables with less internal resistance than the pattern cables DSS sells.  I installed a set of them two years ago and after the past winter lay up (4 months) the throttle cables were so stiff that the very strong stock Honda return spring couldn't pull the throttle back to idle!  Clutch cable also seems much stiffer than it used to be.

I've been riding it and the throttle cables have relaxed their grip a bit but still noticeably stiff.

--- End quote ---

How free is the link rod on the carbs, I have found in the past,  on unrestored carbs,  it can get a bit tight if the bike has been parked for a while making the throttle a bit stiff. You can easily check that by unhooking the spring and see how it feels.

One of my throttle cables is the original or at least been on there since 1980, the other one , 1 only changed it in 1987 because the chrome disappeared and had gone crusty on the right angled metal tube at the top.

As with all these cables routed over a hot engine the original lube in the cable can go hard.  just attach a tube to one end and pour some solvent down while working the inner, blow it out on an air line and then work some light oil down the cable. Should be good as new so long as it hasn't frayed.

Regards
Dave

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