[Topspinmo]

Originally Posted by Toymeister

Taking a guess here, the repair cost may exceed the cost of a new one. That said there is a strong likely hood that the magnet fell off. The speedo works by counting the revolutions of the wheel, to which a magnet is attached. Follow the speedo wire down to the undercarriage it will be near the axle or wheel. A small magnet will be attached to the moving part. The magnet will come close, but not touch the speedo sensor.

I hope this was helpful.

Yep if gave some clue what was wrong with it?