Section 16 Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers,and parts and accessories of such articles 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof 84 07 Spark-ignition reciprocating/rotary internal combustion piston engines 84 07 21 Outboard motors up to 35 horsepower Commodity Code Description 84 07 21 10 Outboard motors up to 35 horsepower 84 07 21 90 Outboard motors over 35 horsepower