What type of gasoline should motorcycles use?

[DeIker]

Motorcycles can use either 90 or 93 octane gasoline. Extended relevant information is as follows: 1. Compression ratio: Refueling should follow the principle of suitability. It can be determined based on the engine's compression ratio. For compression ratios below 9, 90 octane is sufficient; for those below 9.5, 93 octane is appropriate. If the compression ratio is high and the gasoline octane is low, it can easily cause knocking, damaging the engine. 2. Gasoline octane: Since engines with different compression ratios operate at varying temperatures, their requirements for anti-knocking also differ. For the same octane gasoline, the higher the engine's compression ratio, the more likely it is to produce greater knocking. Therefore, engine manufacturers generally specify the suitable gasoline octane for vehicles when they leave the factory.