Long service life is the most common cause of oxidation and sludge formation which can cause starting problems and poor engine running as a result.

Step 1: 
Fill the tank with 150ml PROFI FUEL MAX and add approximately 20L of fuel. After just a few miles the engine will be running smoother.

Step 2: 
Preventive - to prevent oxidation: Before putting the bike away for winter add between 100 to 150ml PROFI FUEL MAX  to the fuel tank. Then fill the tank with fresh fuel.