Racing 45cc Shifter Kart Engine from Japan
High-performance 45cc spark-ignition piston engine with gearbox, tuned to 4HP (<746W), for junior shifter karts competing under Chapter 87 vehicle definitions. HTS 8407.31.0040 classification reflects its sub-50cc capacity and vehicle racing propulsion role.
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.
9903.05.900%Articles of aluminum, of steel or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 to this subchapter
Import Tips
• Document racing series homologation to prove vehicle propulsion credentials
• Dyno certify post-tuning power remains <746W; racing mods frequently trigger reclassification
• Ship with technical service manuals specifying Chapter 87 applications