Japanese people tend to change the engine oil every 5.000 km (or 6 months) and the oil filters every 10.000 km and this ensures a good internal status of the engines.

Moreover, most of the vehicles end up at dealers for regular preventive maintenance at least once a year, typically in March-April, when the winter tires are replaced by summer tires. Cars with minor body damage are considered unsafe. Should a car not meet any of the tests it will have to be repaired and retested before passing. An undercarriage inspection which includes looking at suspension parts.An exhaust gas/muffler inspection which includes testing carbon monoxide and hydrocarbon emissions along with exhaust noise levels.A brake inspection to ensure the brakes work correctly.A headlamp inspection to ensure that the vehicle's headlights are correctly placed and aligned.A speedometer inspection to ensure the vehicle's speedometer is accurate.A wheel alignment inspection to ensure the vehicle has its wheels in-line and can turn correctly.An exterior inspection to ensure the vehicle meets Japanese exterior regulations and does not have illegal exterior modifications such as extreme body kits that increase the exterior dimensions.Japanese cars go through a stringent bi-annual inspection called “SHAKEN” (the first inspection is after 3 years).Īccording to the National Agency for Automobile and Land Transport Technology of Japan, the process of the shaken involves the following steps: Reason 1: Japanese people tend to be really meticulous about the maintenance of their vehicles. In this report, we will present some reasons why JDM import engines are more reliable than the ones from other countries. This is also the reason because a JDM engine is more expensive. Despite being exactly the same engine, the treatment that receive during its use in one country and the other makes a big difference regarding its quality. Professionals of the sector know perfectly the differences between acquiring an engine that has run in Japan and one from other country. The Japanese Domestic Market (JDM) engines have good reputation on the used auto parts market.

Jdm engines