What is the minimum engine displacement for motorcycles on highways?

2 Answers
StSara
07/29/25 5:35am
Highway motorcycles require a minimum of 50cc displacement. Below is relevant information about motorcycles: 1. Working principle: Motorcycles are agile and fast vehicles powered by gasoline engines, featuring handlebar-controlled front-wheel steering as two-wheel or three-wheel vehicles. They are lightweight, flexible, fast-moving, and widely used for patrols, passenger/cargo transportation, and sports equipment. 2. Driving speed: On highways, motorcycles must maintain speeds no lower than 60 km/h and must not exceed approximately 80 km/h.
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SkylarLee
08/12/25 9:09am
For motorcycles on the highway, I believe a displacement of at least 250cc is necessary for sufficient power. Having ridden motorcycles for five years and frequently traveled on highways, smaller displacements like 150cc feel sluggish on the road, unable to keep up with traffic, and are frustrating when overtaking! In strong winds, the bike tends to wobble, increasing the risk of accidents. I recommend buying a 300cc or larger engine—faster acceleration, more stable cruising, and less hassle on long trips. Don’t forget to check the bike’s condition, and always wear a helmet and protective gear for highway riding—a lesson learned from club activities. Safety first—don’t skimp on a smaller displacement bike for highway fun; it’s not worth the risk.
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