SOHC.co.uk Forums > CB350/400

Speedo Gauge rebuild but still wavy

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hairygit:
It certainly won't help, that's why Honda fitted all the rubbers, to reduce vibration from the engine and road.

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Doom64:
Read that wrong I am just missing the steel tube and a couple of the grommets are wrong.

GregShiv:
Try these links for guidance.

https://www.partzilla.com/catalog/honda/motorcycle/1976/cb400f-a-super-sport-400-four/speedometer-tachometer-combination-switch

https://www.cmsnl.com/honda-cb400f-england_model14639/partslist/F01.html#.W0jM-NJKhhE

And a good UK supplier apart from DS is John Oldfield Honda.

http://www.johnoldfield.co.uk/

http://www.johnoldfield.co.uk/parse.php?file=LISTA.TXT

Doom64:
Thanks for that.
I have got new grommets and put them in it helped a little but they are still waving.
Is the speedo gear bit meant to be wobbly, on my cb250rs it is tight is the one on the 400 meant to be tight? If it is, being wobbly that would make it wavy wouldn't it?
Also does anyone know the correct length of the cables the new ones I got the speedo is the same but the Rev counter one is a bit longer.
When going quicker the Rev counter is all over the place.
How do you make adjustments to the speedo?

Doom64:
Just got a different speedo drive that's not wobbly it has helped the speed is now 5 mph off like it was before but it is still wobbly and when going quicker the needle goes up a bit fast then drops to the right speed, and the needle sometimes  gets stuck at 70 ish for a second or so.
Would the length of cable affect anything?

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