What is the minimum engine displacement required for motorcycles on highways?

1 Answers
SanKathryn
07/29/25 2:39am
Motorcycles on highways must have a minimum engine displacement of 50cc. A motorcycle is a flexible and fast means of transportation, powered by a gasoline engine, and is a two-wheeled or three-wheeled vehicle steered by handlebars to control the front wheel. It is lightweight, agile, and fast, widely used for patrolling, passenger and cargo transportation, and as sports equipment. On highways, the driving speed of motorcycles must not be less than 60 kilometers per hour and must not exceed 80 kilometers per hour. The daily maintenance methods for motorcycles include: 1. During the break-in period, control the motorcycle's idle speed at 100 rpm; 2. Match the motorcycle's gear with the speed; 3. When braking is needed due to obstacles ahead, release the throttle, step on the rear brake with the right foot, and gently apply the front brake with the right hand; 4. Regularly check the spark plug; 5. When installing a new spark plug, hand-tighten it until it cannot be turned further, then use a spark plug socket to tighten it an additional quarter to half turn; 6. Regularly lubricate the chain.
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