SOHC.co.uk Forums > CB350/400

Does anyone know the diameter of the CB400F2 steering shaft at the base?

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Bryanj:
The parts you cant remove are the outer races on the tapers as when fitted there is no "lip" sticking inwards to get a drift on, only way i found was a dremel which, of course, wrecks the race.
You can get the inner races off fairly easily so i would suggest fitting the lower bearing with no shim to start and holding tight into frame to see if anything interfears at frame/yoke ares, on the 500 i used a 1mm shim bought off ebay for not much

McCabe-Thiele (Ted):

--- Quote from: Oddjob on February 20, 2021, 01:41:43 PM ---If I can find the races off the set I bought in the 80s I'll measure the top race and see how it compares to yours, can't do that with the bottom as Bryan says getting the inner races out is problematic but the top race will come out if you lever it.

--- End quote ---

No worries I measured my bottom race it was 13.5 mm or thereabouts - I have my top race out I will measure it with the balls in place & post the thickness I get.

Seabeowner:

--- Quote from: Macabethiele (Ted) on February 19, 2021, 08:54:40 PM ---
What I can't get my head round is that the bottom ball bearing race is approx 13.5 deep. So if the bottom bearing is 15.14 mm deep why does it need a 4 mm spacer as that would raise everything too high as has been mention by others ?


--- End quote ---
I think this is because of the different contact points between the two types of bearing. It is higher on the taper bearing so although the overall length (depth) may be about the same the lower yoke will sit in to far without a spacer. Turning the bearing over will give a different result.

K2-K6:
The original ball set standard equipment cannot be matched as far as I understand,  that's in tapered std manufactured.

Contemporary times for these, suppliers like Dresda had taper sets ground to match the Honda fit and sold as kits.

Referenced by Bryan in this thread  http://forums.sohc4.net/index.php?topic=1516.0 to effectively give a drop in set. 

K2-K6:
Some pictures on page 4 of that link show a little more details.

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The original "stack" height has a seal washer for the bottom race which the new kit may not have.

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