My mate just bought exact same bike same as mine, but the only fault we can find is that the speedo guage goes up and down, not steady?.. looked at the cable all seems fine, checked to see if there where any blockages, all's well!

Just when you go, it goes up and down

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Just noticed, that where the connection is made at front wheel, the part which screws in there is a small rubber washer and which looks like there is a (hard to explain) a sleeve for the cable thingy ??? does that make sense?

Cant compare next to mind, coz the missus dropped me off and Im 30 miles from my bike

Hi,

As long as your inner cable is properly lubricated and both ends of the outer are firmly attached it may only be the cold weather especially if your cable has been lubed with a wheel bearing type grease. This type of grease works fine but can get a bit sticky in the cold until it warms.

Never use too much. grease the cable and wipe with a rag what's left will be plenty for the next 12 months.

Your speedo drive on the wheel may also need similar attention. Wash it out and re-lube.

How do i go about trying to do this to the speedo drive?

Is there any info on this. (as in taking it apart)

Common fault with these is that inside the speedo drive, there is a washer with 2 tabs that drive the speedo, the tabs can sometimes break off.

You have to remove the wheel to inspect it.