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
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 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