jumping speedo needle

[seif5034]

Hey All,
Just bought my first bike. A used Hyosung GT125R. My speedo needle "Shakes"? from 10kph under to 10kph over my true speed. What aare some things I can check out to possibly remedy this?
Thanks!

[Nexus Icon]

Do these have a mechanical speedo drive? Is there a speedo cable as such? I'd wager that the drive dog on the end is worn. It's probably supposed to be square but I expect the corners are worn away.

I can't imagine a replacement cable would be expensive.
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Greetings from Shitsville!

[Willson]

Check that the speedo cable is tight at both ends and that it is lubricated. Failing that it could be the speedo drive itself?

Anyone?

Willson

Edit: I changed the speedo cable on my marauder after I knackered the old one (left a padlock around the front disc...). Afterward it exhibited this behaviour...
____________________
Benson: Wouldn't life be easier if we were all turtles?
Me: Pig on bread = The way forward.
Riding: '00 Suzuki SV650S. Previous: '99 Kawasaki ER5 - sold, '02 Suzuki GZ125 Marauder - sold

[kramdra]

I found mine did this just before the cable snapped. I think when there is only one strand left, it acts a bit like a spring, making it wobble.


O/T any idea why EVERY time I go over 72mph the speedo incorrectly jumps upto 90mph. It does not fully drop back down unless I slow down below 60mph. Its quite arkward when it happens just after overtaking someone.....