Need to figure out exactly what's wrong with it first. Maybe it needs to be replaced, or maybe it's just in need of a new speedometer cable.
Plastic explosives.
you fix it dude
A Harley Davidson chrome can be fixed in motorcycle repair shops. They will fix any scratch marks and defects in the chrome and make it brand new again.
It's totally fixable. This is pretty common on the 2005 Mustangs, it's caused by failing stepper motors in the instrument cluster, they control the movement of the gauges. There's a guide on how to fix them here - www.2005-mustang-speedometer-problem.com
You can fix the speedometer in your 1994 Oldsmobile 98 by replacing the speedometer cable. If changing the speedometer cable does not fix your speedometer you will need to replace the entire speedometer.
it comes on and off randomly
This is a big problem for some Harley Davidson bikes. The pegs are a result to a manufacturing defect. One can fix this problem by simply taking the pegs off.
Assuming a 2005 is still covered by factory warranty (as it should be), take it to the dealer for repair.
The first thing to start with is to give some idea of what it's doing or not doing. Once you've explained that then it make it easier to give you an answer.
Speedometer cables can dry out over time. Remove the cable from the back of the speedometer, and lube the cable with graphite. This should fix the issue.
how to fix speedometer for Toyota mr2
Because there's something wrong with the motor that starts and stops. Try taking a look at it yourself, or take it to a mechanic. They will be avle to figure out whats wrong and fix it.