I?ve got a 2006 EC200 Which I?ve had about 6 months. My friend has a 1997 Eac200. Almost identical bike. If we ride together for about 40 miles, I need to put 8 litres of petrol in compared to his 4 1/2, to fill the tank.
I?ve spoken to a very helpful mechanic at GasGas UK who said it can?t be...