Yamaha YT50R Mini Dirt Bike Engine from Japan

OEM replacement Yamaha YT50R 49cc spark-ignition single-cylinder engine, 3HP max (<746W), for youth dirt bikes and pit bikes in Chapter 87. Precisely fits HTS 8407.31.0040 as a low-displacement, low-power propulsion unit for vehicles.

Duty Rate — Japan → United States

15%

Rate breakdown

9903.94.4315%Parts of passenger vehicles and light trucks that are products of Japan as provided for in subdivision (l) of U.S. note 33 to this subchapter, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent as provided for in subdivision (m) of U.S. note 33 to this subchapter.
9903.03.060%Articles of iron or steel, derivative articles of iron or steel, articles of aluminum, derivative articles of aluminum, passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks and parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks, semiconductor articles, semi-finished copper and intensive copper derivative products, wood products, or medium- and heavy-duty vehicles or medium- and heavy-duty vehicle parts, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter

Import Tips

Use OEM part numbers and service bulletins as classification support documents

Benchmark power against official specs; modified tunings often exceed 746W threshold

Avoid 'universal engine' marketing language in commercial invoices