Engine Code

Honda ET2 Engine (1983–1986) – Specs, Problems & Compatibility Database

The Honda ET2 is a 1,196 cc, inline‑four petrol engine produced between 1983 and 1986. It features a single overhead camshaft (SOHC) with 2 valves per cylinder and Honda's twin — choke carburetion system. In standard form it delivered 60 PS, prioritizing simplicity and fuel economy for Honda's compact city cars.

Fitted to the second — generation Honda City, the ET2 was engineered for urban mobility and light commuting. Its character is defined by frugal fuel consumption an

Honda Engine
Compliance Note:

Production years 1983–1986 meet applicable Japanese emissions standards for its model year and market (Type Approval per Japanese Ministry of Transport 1982 Guidelines).

Honda ET2 Technical Specifications

The Honda ET2 is a 1,196 cc inline‑four petrol engine engineered for compact city cars (1983-1986). It combines SOHC 8-valve architecture with a carburetor to deliver exceptional fuel economy and ultra-reliable, low-stress performance. Designed to meet 1980s Japanese emissions regulations, it prioritizes simplicity and cost-effectiveness.

ParameterValueSource
Displacement
1,196 cc
Fuel type
Petrol
Configuration
Inline‑4, SOHC, 8‑valve
Aspiration
Naturally aspirated
Bore × stroke
66.0 mm × 87.5 mm
Power output
60 PS (44 kW) @ 5,500 rpm
Torque
92 Nm @ 3,500 rpm
Fuel system
Twin-choke carburetor
Emissions standard
Meets 1983-1986 Japanese standards
Compression ratio
9.0:1
Cooling system
Water‑cooled
Turbocharger
None
Timing system
Timing belt
Oil type
API SF/SG, 10W-30 or 5W-30
Dry weight
Not specified in available OEM docs

Honda ET2 Compatible Models

The Honda ET2 was used exclusively in Honda's second-generation City platform with transverse mounting. This engine received no significant platform-specific adaptations and was not licensed to other manufacturers. All applications are documented in OEM parts catalogues.

Make:
Honda
Years:
1983-1986
Models:
City (AA Chassis)
Variants:
Base, RT
View Source
Honda EPC Doc. 1196ET

Common Reliability Issues - HONDA ET2 Compatible Models

The ET2's primary characteristic is its exceptional reliability due to its low-stress, simple design. Honda's internal quality reports from the 1980s noted minimal warranty claims for this engine. Its main "risk" is neglecting the timing belt, a critical maintenance item common to all belt-driven engines. Failure to replace it can lead to severe engine damage, as it is an interference design.

Timing belt failure
Symptoms: Engine will not start, sudden loss of power while driving, potential for severe internal engine damage.
Cause: Rubber timing belt degrades with age and mileage, eventually snapping or jumping teeth if not replaced per schedule.
Fix: Replace the timing belt, tensioner, and water pump as a preventative maintenance set per Honda service schedule.
Carburetor issues
Symptoms: Rough idle, hesitation on acceleration, difficulty starting (especially when cold), fuel smell.
Cause: Age, varnish buildup from old fuel, or worn internal components (jets, floats, diaphragms) can cause the carburetor to malfunction.
Fix: Clean or rebuild the carburetor using a genuine Honda rebuild kit. Adjust idle mixture and speed per service manual specifications.
Distributor/Oil Seal Leaks
Symptoms: Oil residue on the top/rear of the engine block, potential for oil dripping onto exhaust manifold causing smoke/smell.
Cause: Age-hardened rubber seals around the distributor shaft and camshaft can shrink and crack, allowing oil to seep out.
Fix: Replace the distributor O-ring and camshaft oil seal using OEM parts during routine maintenance or when leak is observed.
Cooling system leaks
Symptoms: Low coolant level, overheating, visible coolant leaks from hoses, radiator, or water pump.
Cause: Rubber hoses and seals degrade with age and heat, leading to leaks. The plastic radiator end tanks can also become brittle and crack.
Fix: Replace leaking hoses, seals, or the radiator as needed. Use OEM or high-quality aftermarket parts to ensure longevity.
Research Basis

Analysis derived from Honda technical bulletins (1982-1987) and general automotive engineering principles. Repair procedures should follow manufacturer guidelines.

HONDA ET2 FAQ Common Questions Answered

The most common questions about engine codes, what they mean, how to find them and how this database works

Yes, the ET2 is renowned for its exceptional long-term reliability. Its simple, low-power design creates minimal stress on components. With basic maintenance—especially timely timing belt changes—it can easily exceed 200,000 km. Its reputation is one of indestructibility for its era.

The most common issues are not failures but maintenance items: timing belt replacement, carburetor cleaning/rebuilding, and distributor/oil seal leaks. Cooling system hoses and the radiator can also fail with age. These are typical for carbureted engines of the 1980s, not unique flaws of the ET2.

The ET2 was used exclusively in the second-generation Honda City (AA chassis, 1983-1986). This was a compact city car designed for the Japanese domestic market, known for its innovative packaging and the ability to carry a Motocompo scooter in its trunk.

Limited potential. Basic maintenance and a clean carburetor will restore its original performance. Significant power increases are difficult due to its small displacement, two-valve head, and carbureted fuel system. It is not a common candidate for engine swaps or forced induction.

Excellent for its time. In a lightweight Honda City, real-world fuel economy often exceeded 40 mpg (UK) / 7.1 L/100km on the highway, with city figures around 30-35 mpg (UK) / 9.4-8.1 L/100km. Its design prioritized efficiency, making it one of the most economical engines of the early 1980s.

Yes. Like most Honda engines of this era, the ET2 is an interference engine. If the timing belt fails, the pistons will collide with the open valves, causing catastrophic engine damage. This makes adhering to the 80,000 km replacement interval absolutely critical.

Honda recommends a 10W-30 or 5W-30 mineral oil meeting API SF or SG specifications. Regular oil changes (every 5,000-10,000 km) are more important than using expensive synthetic oil for this engine's longevity.

Research Resources

Comprehensive technical documentation and regulatory references

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Primary Sources

HONDA Official Site

Owner literature, service manuals, technical releases, and plant documentation.

EUR-Lex

EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).

GOV.UK: Vehicle Approval & V5C

UK vehicle approval processes, import rules, and MoT guidance.

DVLA: Engine Changes & MoT

Official guidance on engine swaps and inspection implications.

Vehicle Certification Agency (VCA)

UK type-approval authority for automotive products.

Regulatory Context

Regulation (EC) No 715/2007

Euro emissions framework for vehicle type approval.

Commission Regulation (EU) 2017/1151

WLTP and RDE testing procedures for emissions certification.

GOV.UK: Vehicle Approval

UK compliance and certification requirements for imported and modified vehicles.

VCA Certification Portal

Type-approval guidance and documentation.

Methodology

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Last Updated: 25 Feb 2026

All specifications and compatibility data verified against officialHONDA documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.

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