I live in the UK and have recently bought a 90 formula that was imported from the middle East. The speedo is in KM's. When I reach 120KM (about 80mph) there is a constant buzzer that comes on and will only go off when i drop below 120KM. Does anone know how to switch off or program it to a higher speed ??? (I know the speed limit is 70mph here....)

 

Mine does that as well...
except it hits 35mph and pegs itself and buzzes...

I think either the speedo cable isn't set correctly on the back of the speedo itself or the speedometer got screwed up somehow