What grade of gasoline should the CM300 use?

2 Answers
LaHaley
07/24/25 5:04am
Honda CM300 has a compression ratio of 10.7, and 92 octane gasoline is sufficient. Below is some relevant information about the Honda CM300: Power: In terms of power, the CM300 is equipped with a single-cylinder, water-cooled, four-valve, fuel-injected engine with an actual displacement of 286ml. It is paired with Honda's PGM-FI fuel injection system, achieving a fuel consumption of 2.92L per 100 kilometers and a designed top speed of 134km/h. Configuration: Currently, mainstream configurations can be found on this model, such as an LCD instrument panel, LED lighting, dual-channel ABS, and a slipper clutch, all of which are equipped.
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McBarrett
08/11/25 12:40am
I've been riding my CM300 for almost two years, always using 92 octane gasoline, and it feels just right. The engine's compression ratio isn't high, so 92 octane's anti-knock performance is perfect, offering the best cost-performance ratio. It's convenient to refuel and saves money. Using 95 octane is also possible, but it's more expensive and unnecessary for daily commuting. The Honda manual recommends 92 octane or higher, so 95 is acceptable, but 92 works perfectly fine. For maintenance, regular checks of the spark plugs and oil filter are essential to ensure clean combustion of the air-fuel mixture. In short, following the manual ensures both safety and economy, making for a smooth ride.
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