What grade of gasoline should be used for motorcycles?

2 Answers
DelCaden
09/06/25 8:28am
Motorcycles should use 95-octane gasoline. A motorcycle is a nimble and fast means of transportation, driven by a gasoline engine, and is a two-wheeled or three-wheeled vehicle steered by handlebars to control the front wheel. It is lightweight, flexible, and fast, widely used for patrol, passenger and cargo transport, and as sports equipment. 95-octane gasoline has better fuel quality, and the engine performs better in acceleration. The engine's response speed is also faster than when using 92-octane gasoline. The difference between 92-octane and 95-octane gasoline lies in the content of isooctane. The higher the fuel grade, the better the fuel's anti-knock performance. Daily maintenance methods for motorcycles: During the break-in period, control the motorcycle's idle speed at 100 rpm; match the motorcycle's gear with the corresponding speed; when braking is needed upon encountering a situation ahead, release the throttle, step on the brake with the right foot, and gently apply the brake with the right hand; regularly check the spark plug; when installing a new spark plug, hand-tighten it until it can't be turned anymore, then use a spark plug socket to tighten it a quarter to half a turn; regularly lubricate the chain.
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MacCharlie
09/18/25 8:01am
It depends on your bike's specific situation. The recommended fuel grade is definitely marked on the inside of the fuel tank cap or in the manual - that's the most reliable source. Just like cars, the fuel grade for motorcycles mainly depends on the engine compression ratio. High-compression engines squeeze the air-fuel mixture harder in the cylinder, and using lower-octane fuel can cause knocking (you'll hear pinging sounds from the engine), which causes serious damage over time. My street bike with 10:1 compression ratio strictly uses 95 octane - when I tried 92 octane, it ran weak and rough. Of course, using higher octane than recommended generally won't hurt anything except your wallet. Key point: Never go below the minimum grade specified in the manual - don't risk damaging your bike to save a few bucks.
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