What does 400cc mean for a motorcycle?

2 Answers
VincentDella
07/29/25 5:26pm
Motorcycle 400cc refers to the displacement of the motorcycle engine being 400 milliliters. 400cc represents the displacement, which is the cylinder volume of the engine, measured in milliliters. Displacement is a key parameter of an engine; the larger the displacement, the stronger the power, but the fuel consumption is also relatively higher. Additional information: 1. Chinese national standards and traffic regulations: Fuel-powered bicycles have a displacement below 30cc, 30-50cc are classified as light motorcycles, and above 50cc are considered motorcycles. 2. A motorcycle consists of five main parts: the engine, transmission system, running gear, steering and braking systems, and electrical instrumentation equipment. 3. The spark plug is a critical component of a motorcycle engine. The normal combustion of the air-fuel mixture is essential for the engine's proper operation. Firstly, each type of engine uses a different spark plug model, mainly differing in heat value and thread size, so it is crucial to use the specified spark plug type.
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McDelilah
08/14/25 8:22am
I often help my friends choose motorcycles. 400cc refers to the engine displacement unit, which is the total cylinder capacity of about 400 cubic centimeters, directly affecting the power output. A 400cc engine can produce around 30 to 45 horsepower, offering faster acceleration than smaller displacements but not as wild as larger ones. It's suitable for beginners or city commuting, with moderate fuel consumption—you can easily get over 20 kilometers per liter. Popular models include the Honda CB400 or Kawasaki Ninja 400, which are easy to maintain and have affordable parts. When choosing a bike, also consider the weight and design—a lightweight bike with 400cc is sufficient; if you're after more thrill, you can upgrade to 600cc or above. Remember, regular checks on engine oil and the chain can extend its lifespan.
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