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 or rotary internal combustion piston engines. Commodity Code Description 84 07 10 Aircraft engines 84 07 21 Outboard motors for marine propulsion 84 07 29 Marine propulsion spark-ignition piston engines (excl. outboard) 84 07 31 Of a cylinder capacity not exceeding 50 cc 84 07 32 Spark-ignition reciprocating piston engines for vehicles, 50-250cc 84 07 33 Spark-ignition reciprocating piston engines for vehicles, 250-1000cc 84 07 34 Spark-ignition reciprocating piston engines for vehicles, >1000cc 84 07 90 Spark-ignition reciprocating/rotary internal combustion engines, nes
