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What is the fuel consumption per kilometer for a 400cc motorcycle?

2 Answers

MacKevin

07/28/25 6:37pm

Generally, a 400cc displacement motorcycle consumes about 4-5L per 100 kilometers, which translates to approximately 0.04-0.05L per kilometer. However, if the motorcycle frequently travels on rough terrain, the fuel consumption may increase to about 5-6L per 100 kilometers, or 0.05-0.06L per kilometer. This is roughly equivalent to the fuel consumption of a car. To determine the fuel consumption per 100 kilometers for a specific motorcycle, you can fill up the fuel tank completely and record the mileage. Then, calculate the approximate fuel consumption range after all the fuel is used up. When refueling, you can also reset the odometer to zero and divide the amount of fuel added by the odometer reading to get the fuel consumption. If you want to improve fuel efficiency, it is recommended to avoid sudden acceleration or deceleration while riding and try to maintain a steady speed. This is the most fuel-efficient way to ride. Additionally, regular maintenance is essential to keep the motorcycle in good condition.

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Courtney

08/12/25 12:09am

I've been riding 400cc motorcycles for many years, and this displacement is suitable for daily commuting and short trips. The fuel consumption generally fluctuates between 3.5 to 5 liters per 100 kilometers, which translates to approximately 0.035 to 0.05 liters per kilometer. I often ride naked bikes like the Honda CB400, where fuel consumption can drop to just over 3 liters during highway cruising, about 0.03 liters per kilometer, making it very fuel-efficient. However, in congested urban conditions with frequent acceleration or stop-and-go traffic, fuel consumption can easily rise above 5 liters, reaching up to 0.05 liters per kilometer. Maintenance is also crucial—I check tire pressure and change the oil monthly, which can noticeably save about 10% on fuel costs. Riding style has an even greater impact; gentle riding without sudden braking significantly reduces fuel consumption. Overall, fuel cost per kilometer is mostly around three to four cents, depending on how you ride and road conditions.

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