Honda1975–1977Technical specifications

Civic 1.5: Technical specifications

Workshop data for the 1.5-litre petrol (engine code EC). Covers engine, fluids, service and torques: the figures to check before a job or a parts order.

Summary

Match the engine code (EC) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Honda
Model: Civic
Years: 1975–1977
Fuel: Petrol
Engine code: EC

Performance & efficiency

Power: 51 kW (69 hp)
Engine size: 1,488 cc
Cylinders: 4 · OHC
Compression ratio: 8.6:1
Fuel system: Keihin

Fluids & capacities

Engine oil (with the filter): 3.0 litres

All 87 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/OHC
Capacity (Fiscal) cc	1488
Compression ratio :1	8,6
Suitable for unleaded petrol	No
Minimum octane rating RON	91
Ignition system Type	SZ
Ignition system Description	CB
Fuel system Make	Keihin
Fuel system Type	DCG 306
Fuel system Description	Carb-2V

Ignition system

Ignition coil Make	Denso
Ballast resistance Ohm	1,5-1,7
Primary resistance Ohm	0-3
Distributor (ECM) Make	Denso
Contact breaker gap/trigger air gap mm	0,5
Dwell angle °(%)	49-55 (54-61)

Firing order

The firing order for the Honda Civic 1.5 (1975–1977) is 1-3-4-2.

Firing order	1-3-4-2

Valve clearances

Valve clearances for the Honda Civic 1.5 (1975–1977) are 0,15 mm inlet and 0,15 mm exhaust, measured cold.

Valve clearance - INLET mm	0,15 cold
Valve clearance - EXHAUST mm	0,15 cold

Engine oil & fluids

Engine oil

The Honda Civic 1.5 (1975–1977) takes 3.0 litres of engine oil with the filter.

See the reference table for the complete engine oil entries and their conditions.

Manual gearbox

The manual gearbox has a listed capacity of 2.5 litres.

Coolant

The listed total cooling-system capacity is 4.5 litres.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range	➞0°C
Engine oil grade SAE	5W-30
Engine oil classification API/ACEA	SG/A2
Ambient temperature range	-20°C➞35°C
Engine oil grade SAE	10W-30
Engine oil classification API/ACEA	SG/A2
Ambient temperature range	-20°C➞
Engine oil grade SAE	10W-40
Engine oil classification API/ACEA	SG/A2
Ambient temperature range	-15°C➞
Engine oil grade SAE	15W-40, 15W-50
Engine oil classification API/ACEA	SG/A2
Ambient temperature range	-10°C➞
Engine oil grade SAE	20W-40, 20W-50
Engine oil classification API/ACEA	SG/A2
Engine with filter(s) litres	3.0
Other lubricants and capacities
Manual transmission litres	2.5
Automatic transmission (drain & refill) litres	4.2
Cooling system - total capacity litres	4.5

Service & electrical

Ignition timing

Basic ignition timing for the Honda Civic 1.5 (1975–1977) is 5° BTDC at 750 rpm.

Ignition timing	With vacuum
Ignition timing - basic BTDC °Engine/rpm	5/750

Battery

The Honda Civic 1.5 (1975–1977) uses a 12 V, 45 Ah battery (reserve capacity 65 minutes).

Battery V/RC(Ah)	12/65 (45)

Spark plugs

The Honda Civic 1.5 (1975–1977) uses Beru 14-7CU spark plugs with a 0,8 mm electrode gap.

Spark plugs Original equipment	NGK
Spark plug Type	BPR6ES
Electrode gap mm	0,7-0,8
Spark plugs Make	Beru
Spark plug Type	14-7CU
Electrode gap mm	0,8
Spark plugs Make	Champion
Spark plug Type	RN9YCC
Electrode gap mm	0,8
Spark plugs Make	NGK
Spark plug Type	BPR6ES
Electrode gap mm	0,8

Tuning and emissions

Static timing	5
Ignition advance	Without vacuum and basic timing
Ignition advance checks °Engine/rpm	12-16/3000
Ignition advance checks °Engine/rpm	21-25/4000
Ignition advance checks °Engine/rpm	32-36/5100
Vacuum check	Ignition timing advances
Vacuum range °Engine	22-26
Vacuum starts mbar	147
Vacuum ends mbar	387
Idle speed rpm	700-800
Idle speed - alternative rpm	AT=700-800/N
Oil temperature °C	60
CO level at idle speed - tailpipe Vol. % CO	2,0-4,0
HC level at idle speed ppm	500
CO2 level at idle speed Vol. % CO2	13-16
O2 level at idle speed Vol. % O2	0,5-2,0

Starting and charging

Starter motor Make	Hitachi
Starter motor Type	12V0,7 kW
Minimum starting voltage V	8
Maximum cranking amps A	122-149
Alternator Make	Hitachi
Alternator output A/V/rpm	50/14/3000
Regulated voltage V	13,5-14,4

Service checks and adjustments

Compression pressure bar	11,5-12,5
Drive belt tension - alternator/PAS/AC mm	12-17 (9-11)

Fuel system

Fuel pump delivery pressure bar	0,13-0,18

Tightening torques

Cylinder head bolt torque

The cylinder head bolt torque for the Honda Civic 1.5 (1975–1977) is 55-65 Nm.

Cylinder head
Tighten	55-65 Nm

Other engine tightening torques
Main bearings Stage 1	21-24 Nm
Main bearings Stage 2	42-48 Nm
Big end bearings Stage 1	12-14 Nm
Big end bearings Stage 2	25-29 Nm
Flywheel/driveplate	47-53 Nm
Spark plugs	15-25 Nm
Chassis tightening torques
Road wheels	70-90 Nm

Frequently asked questions

What is the firing order of the Honda Civic 1.5?

The firing order for the Honda Civic 1.5 (1975–1977) is 1-3-4-2.

What spark plugs does the Honda Civic 1.5 use?

The Honda Civic 1.5 (1975–1977) uses Beru 14-7CU spark plugs with a 0,8 mm electrode gap.

How much oil does the Honda Civic 1.5 take?

The Honda Civic 1.5 (1975–1977) takes 3.0 litres of engine oil with the filter. See the reference table for the complete engine oil entries and their conditions.

What are the valve clearances for the Honda Civic 1.5?

Valve clearances for the Honda Civic 1.5 (1975–1977) are 0,15 mm inlet and 0,15 mm exhaust, measured cold.

What is the cylinder head torque for the Honda Civic 1.5?

The cylinder head bolt torque for the Honda Civic 1.5 (1975–1977) is 55-65 Nm.

What is the ignition timing for the Honda Civic 1.5?

Basic ignition timing for the Honda Civic 1.5 (1975–1977) is 5° BTDC at 750 rpm.