SOHC.co.uk Forums > CB350/400
speedo trip rewind knob
Oddjob:
God that's deep Rosco
rosco:
May be deep, But true. If you don't learn you keep making the same mistakes over and over ??
McCabe-Thiele (Ted):
--- Quote from: rosco on June 30, 2022, 03:06:24 PM ---May be deep, But true. If you don't learn you keep making the same mistakes over and over ??
--- End quote ---
Commonly known as the learning dip.
Matt_Harrington:
I've managed to remove the black knob from the shaft using a heat gun, should that be necessary.
Matt
kent400:
Interested to see the image taken from the guide I wrote many years ago on the subject of dismantling a 400F speedo. It's not necessary to remove the knob, remove the band and remove the 'C' clip and then the trip drum can remain in the body as mechanism attached to the base is lifted clean. The trip knob will now pass though the hole in the body and can be lifted out. As previously mentioned the trip shaft needs to separated trip counter shaft in the manner described, a gas lighter is ideal for the purpose although this does require great care. Might unscrew easily but may need repeated heating before it will unscrew. What you won't want to do is to break the thread on the counter shaft.
Originally the speedo was assembled and the trip shaft was screwed in ( with tread lock added ) as the final assembly operation.
Missing or broken knobs and if not too bothered by having an original some tube caps are very similar or a small radio knob that usually have a grub screw to secure it.
Original is on the right, tube cap and a radio knob on the left
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