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; partsthereof 84 07 SPARK-IGNITION RECIPROCATING/ROTARY INTERNAL COMBUSTION PISTON ENGINES Commodity Code Description 84 07 10 Aircraft engines 84 07 21 Outboard motors 84 07 29 Other 84 07 31 Of a cylinder capacity not exceeding 50 cc 84 07 32 Of a cylinder capacity exceeding 50 cc but not exceeding 250 cc 84 07 33 Of a cylinder capacity exceeding 250 cc but not exceeding 1,000 cc 84 07 34 Of a cylinder capacity exceeding 1,000 cc 84 07 90 Other engines