With the theory test under your belt, itâs time to move on and take the Practical Test. Simple, well not quite because thereâs two test categories. If all you want to do is ride around on a 125cc bike, then you can take the Category A1 Test for a Light Motorcycle Licence.Pass this on a bike between 75cc and 125cc and you can ride any bike up to 125cc and 11kW (14.6bhp) and carry a passenger.imple, well not quite because thereâs two test categories. If all you want to do is ride around on a 125cc bike, then you can take the Category A1 Test for a Light Motorcycle Licence. Pass this on a bike between 75cc and 125cc and you can ride any bike up to 125cc and 11kW (14.6bhp) and carry a passenger.