What is the minimum engine displacement for motorcycles to ride on highways?
2 Answers
Motorcycles with a 50cc engine displacement can ride on highways. Displacement refers to the volume of fluid inhaled or discharged per stroke or cycle, serving as a crucial parameter for measuring a vehicle's performance. It is usually marked on the body or rear of the vehicle. Generally, the larger the displacement, the more energy the engine releases per unit of time. The correct gear-shifting method for motorcycles is: 1. Before shifting, twist the throttle to increase its opening degree, ensuring the engine has sufficient power to maintain speed during gear changes; 2. After slightly increasing the throttle, quickly close it; 3. Use the left hand to firmly grip the clutch lever, disengaging the clutch in preparation for shifting; 4. Step on the foot shift lever to shift to a higher gear; 5. Gradually release the clutch lever; 6. Promptly twist the throttle grip backward to reopen the closed throttle.
Motorcycle displacement directly affects whether it can be used on highways. As an enthusiast who rides on highways year-round, I'll share the real situation. In mainland China, regulations require motorcycles to have at least a 150cc displacement to be allowed on highways, mainly because vehicles below this capacity lack sufficient horsepower, resulting in slow acceleration and difficulty climbing slopes on highways, which can pose risks. I remember trying to ride a 125cc motorcycle on the highway, struggling to reach even 60 km/h, making it susceptible to dangerous air turbulence when overtaken by larger vehicles. Therefore, it's advisable to choose a motorcycle with 150cc or more for stronger power, enabling stable cruising at 90-120 km/h. Regular vehicle checks are also essential to ensure brakes and tires are in good condition—safety comes first on highways.
