1.
engine displacement; engine capacity
The total volume of all cylinders in an internal combustion engine, typically measured in cc (cubic centimeters) or liters. A key specification for cars and motorcycles that also determines tax and licensing categories in Japan.
排気量は2000ccだ。
The engine displacement is 2000cc.
排気量が大きいほど税金が高くなる。
The larger the engine displacement, the higher the tax.
日本では排気量660cc以下の車が軽自動車に分類される。
In Japan, vehicles with engine displacement of 660cc or less are classified as light motor vehicles.
A key automotive term in Japan where 排気量 directly affects vehicle classification, taxes, and insurance costs. Japan's 軽自動車 (kei car) category is defined by a maximum displacement of 660cc. For motorcycles, licensing categories are also based on displacement: 原付 (50cc), 小型 (125cc), 中型 (400cc), 大型 (over 400cc). Common collocations: 排気量が大きい/小さい (large/small displacement).