Yanmar 6LYA-STP Marine Engine from Japan

Yanmar 6LYA-STP is a 370 cu.in. diesel inline-6 engine at 128 kW for sportfishing boats. Falls under HTS 8408.10.0015 as a semi-diesel marine propulsion engine in the specified 111.9-149.2 kW power band.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Include propeller matching certification; customs verifies propulsion intent vs auxiliary capability

Saltwater cooling system docs required; fresh water heat exchanger variants may need material composition declaration