Product classification

HS code for Scooter engine: 8407.31

Engines, reciprocating piston engines, of a kind used for the propulsion of vehicles of chapter 87, of a cylinder capacity not exceeding 50cc.

Classification of scooter engine under HS 8407.31

The HS code 8407.31 applies to reciprocating piston engines of a kind used for the propulsion of vehicles of Chapter 87, specifically those with a cylinder capacity not exceeding 50cc. In the context of scooters, this code is used for the small-displacement spark-ignition internal combustion engines typically found in mopeds and entry-level motorized scooters. Classification under Chapter 84 is appropriate because engines are considered machinery, even though they are components of vehicles classified in Chapter 87. The distinction between 8407.31 and other subheadings is strictly based on displacement; if the engine exceeds 50cc, it moves to 8407.32. It is important to note that this code covers the engine as a standalone unit or as a replacement part. The engine must be of the reciprocating type, meaning it uses pistons that move back and forth, which is the standard design for almost all consumer-grade petrol scooters in this size class. This code is essential for manufacturers and parts distributors who ship engines separately from the vehicle chassis.

Covers
  • 49cc scooter engines
  • Small moped engines (spark-ignition)
  • Replacement engines for motorized cycles
  • Reciprocating piston engines for small ATVs
  • Internal combustion engines for motorized bicycles
Also under 8407.31
  • Honda Ruckus engine
  • Piaggio Zip 50 engine
  • Yamaha Jog 50 engine
  • Kymco Agility 50 engine
  • SYM Fiddle II 50 engine

Codes often confused with 8407.31

Common mistake. A common misclassification occurs with HS code 8407.32, which applies to engines between 50cc and 250cc. Many modern scooters use 125cc or 150cc engines, which must not be placed in 8407.31. Additionally, engines for non-propulsion use (like generators) fall under different subheadings of 8407. Another error is attempting to classify the engine under 8714, which covers parts and accessories of motorcycles. However, Note 2 to Section XVI and Note 2 to Chapter 87 clarify that engines are always classified in heading 8407 or 8408.

8407.32Engines; reciprocating piston engines, of a kind used for the propulsion of vehicles of chapter 87, of a cylinder capacity exceeding 50cc but not exceeding 250cc84.07Reciprocating or rotary internal combustion piston engines87.14Vehicles; parts and accessories of heading no. 8711 to 871384.08Compression-ignition internal combustion piston engines (diesel or semi-diesel engines)

Top exporters and importers of HS 840731 (the code used for scooter engine), 2025

In 2025, the largest exporter of HS 840731 (the code used for scooter engine) in UN Comtrade data was China, with 55% of world exports; the largest importer in UN Comtrade data was Türkiye, with 39% of world imports. Countries that did not report 2025 data are estimated from partner records, which can understate them.

Figures cover everything classified under HS 840731, not only scooter engine.

Top exporters 2025 · share of world exports

  1. 1 China $43M
  2. 2 Vietnam* ~$17M
  3. 3 Italy $7.6M

World total: $78M Reported figures on UN Comtrade ↗

Top importers 2025 · share of world imports

  1. 1 Türkiye $43M
  2. 2 Japan $23M
  3. 3 Vietnam* ~$17M

World total: $111M Reported figures on UN Comtrade ↗

How these figures are built

109 countries reported 2025 trade to UN Comtrade in HS 2022, and their own totals are used. Countries marked * did not, so their figures add up what other countries recorded trading with them, and their exports are valued at buyers' CIF prices. Those estimates miss trade with other non-reporting countries, so they can be low, and a non-reporting country can rank higher than shown or be missing from the list. World totals add both and leave out trade between two non-reporting countries. Figures are in current US dollars; reported imports are mostly valued CIF and exports FOB, and exports include re-exports. The UN Comtrade links show the underlying records; they can also list a few reporters left out here (regional groups and older HS editions).

Source: UN Comtrade (United Nations Statistics Division), 2025 annual data.

Brazil NCM codes for scooter engine

Brazil splits HS 8407.31 into 2 NCM codes. Pick the one that matches your product:

  • 8407.31.10Petrol vehicle engines, 1 cyl, max 50 cc
  • 8407.31.90Other petrol vehicle engines, max 50 cc

Source: Siscomex NCM table, updated Oct 2026. The Portuguese text on each NCM page is the official one.

Questions about scooter engine

What is the HS code for Scooter engine?

The HS code for Scooter engine is 840731 (Engines; reciprocating piston engines, of a kind used for the propulsion of vehicles of chapter 87, of a cylinder capacity not exceeding 50cc).

How do I classify Scooter engine for customs?

Scooter engine is classified under HS code 840731 — Engines; reciprocating piston engines, of a kind used for the propulsion of vehicles of chapter 87, of a cylinder capacity not exceeding 50cc. This is a 6-digit subheading level code.

What is the HS code for a 49cc scooter engine?

The HS code for a 49cc reciprocating spark-ignition engine for a scooter is 8407.31.

Does this code include the scooter's gearbox?

If the gearbox is integrated into the engine housing as a single unit, it is generally classified under 8407.31 with the engine.

Which countries are the top exporters of scooter engine (HS 840731)?

In 2025, the top exporters of HS 840731 (the code used for scooter engine) in UN Comtrade data were China ($43M, 55% of world exports), Vietnam (about $17M) and Italy ($7.6M). World exports came to about $78M, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.

Which countries are the top importers of scooter engine (HS 840731)?

In 2025, the top importers of HS 840731 (the code used for scooter engine) in UN Comtrade data were Türkiye ($43M, 39% of world imports), Japan ($23M) and Vietnam (about $17M). World imports came to about $111M, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.

Is the HS code for Scooter engine the same in all countries?

The base HS code 840731 for Scooter engine is internationally standardized for the first 6 digits across 200+ countries. Individual countries may add additional digits for national tariff lines and specific classifications.

What is the NCM code for scooter engine in Brazil?

Brazil splits HS 840731 into 2 NCM codes, so the right one for scooter engine depends on the product's details: 8407.31.10 (Petrol vehicle engines, 1 cyl, max 50 cc), 8407.31.90 (Other petrol vehicle engines, max 50 cc).