Spark-ignition reciprocating or rotary internal combustion piston engines:

8407.10.00Aircraft engines 8407.10.00.20Less than 373 kW 8407.10.00.40373 kW or over 8407.10.00.60Used or rebuilt 8407.10.00.90Other 8407.21.00Outboard motors 8407.21.00.40Less than 22.38 kW 8407.21.00.80Other 8407.29.00Other 8407.29.00.10Inboard engines with outboard drive 8407.29.00.20Less than 746 W 8407.29.00.30746 W or greater, but not exceeding 18.65 kW 8407.29.00.40Exceeding 18.65 kW 8407.31.00Of a cylinder capacity not exceeding 50 cc 8407.31.00.40Less than 746 W 8407.31.00.80Other 8407.32Of a cylinder capacity exceeding 50 cc but not exceeding 250 cc: 8407.32.10.00To be installed in tractors suitable for agricultural use 8407.32.20To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704 8407.32.20.40Used or rebuilt 8407.32.20.80Other 8407.32.90Other 8407.32.90.40Not exceeding 18.65 kW 8407.32.90.80Exceeding 18.65 kW 8407.33Of a cylinder capacity exceeding 250 cc but not exceeding 1,000 cc: 8407.33.10To be installed in tractors suitable for agricultural use 8407.33.10.30Not exceeding 37.3 kW 8407.33.10.60Air-cooled 8407.33.10.90Other 8407.33.30To be installed in vehicles specially designed for traveling on snow, golf carts, non-amphibious all-terrain vehicles and burden carriers 8407.33.30.40Used or rebuilt 8407.33.30.80Other 8407.33.60Other 8407.33.60.40Used or rebuilt 8407.33.60.80Other 8407.33.90Other 8407.33.90.40Not exceeding 18.65 kW 8407.33.90.80Exceeding 18.65 kW 8407.34Of a cylinder capacity exceeding 1,000 cc: 8407.34.05To be installed in tractors suitable for agricultural use 8407.34.05.30Not exceeding 37.3 kW 8407.34.05.60Air-cooled 8407.34.05.90Other 8407.34.14.00Used or rebuilt 8407.34.18.00Other 8407.34.25.00Other 8407.34.35To be installed in tractors suitable for agricultural use 8407.34.35.30Not exceeding 37.3 kW 8407.34.35.60Air-cooled 8407.34.35.90Other 8407.34.44.00Used or rebuilt 8407.34.48.00Other 8407.34.55.00Other 8407.90Other engines: 8407.90.10To be installed in agricultural or horticultural machinery or equipment 8407.90.10.10Less than 4,476 W 8407.90.10.20Other 8407.90.10.60Air-cooled 8407.90.10.80Other 8407.90.90Other 8407.90.90.10Gas (natural or liquid propane (LP)) engines 8407.90.90.20Less than 746 W 8407.90.90.40746 W or greater but less than 4,476 W 8407.90.90.604,476 W or greater but not exceeding 18.65 kW 8407.90.90.80Exceeding 18.65 kW