In motorsports, tampering with fuel gives racers an unfair advantage. To keep the race teams on an equal footing so races are fair, close, and exciting, the International Motorcycling Federation (FIM) sets strict requirements for Superbikes, such as those for engines, tires, and fuel. On site fuel testing is an important factor in confirming race results and finalizing the ranking. This study reveals how the TOTAL Group applies portable GC/MS technology for on-the-spot fuel testing.